Index of Common Names (Vascular Plants with Photographs)

Acadian quillwortIsoetes acadiensis Kott — 6 images
Allegheny blackberry, common blackberryRubus allegheniensis Porter — 34 images
Allegheny buttercup, Allegheny crowfootRanunculus allegheniensis Britton — 12 images
Allegheny plumPrunus alleghaniensis Porter — 3 images
Allegheny spurgePachysandra procumbens Michx. — 12 images
Alsike cloverTrifolium hybridum L. — 9 images
American barnyard grass, common cockspurEchinochloa muricata (Beauv.) Fern. var. muricata — 3 images
American beechFagus grandifolia Ehrh. — 75 images
American bittersweetCelastrus scandens L. — 3 images
American black currantRibes americanum P.Miller — 4 images
American black elderberry, American black-berried elderberrySambucus nigra ssp. canadensis (L.) R.Bolli — 28 images
American bugleweed, American water horehoundLycopus americanus Muhl. ex W.Barton — 33 images
American chestnutCastanea dentata (Marsh.) Borkh. — 60 images
American climbing fernLygodium palmatum (Bernh. ex Schrader) Sw. — 22 images
American cranberry, large cranberryVaccinium macrocarpon Ait. — 59 images
American dog violetViola labradorica Schrank — 33 images
American dunegrass, American beach grassAmmophila breviligulata Fern. — 32 images
American elm, white elmUlmus americana L. — 31 images
American false bindweedCalystegia sepium ssp. americana (Sims) Brummitt — 11 images
American false pennyroyalHedeoma pulegioides (L.) Pers. — 7 images
American featherfoilHottonia inflata Ell. — 28 images
American field chickweedCerastium strictum L. — 1 images
American field mintMentha canadensis L. — 11 images
American germander, saltmarsh germanderTeucrium canadense L. var. canadense — 22 images
American great willowherb, American fireweedChamaenerion angustifolium (L.) Scop. — 9 images
American groundnutApios americana Medik. — 40 images
American hazelnutCorylus americana Walt. — 33 images
American heal-all, American selfhealPrunella vulgaris ssp. lanceolata (W.Barton) Hultén — 7 images
American highbush cranberryViburnum opulus ssp. trilobum (Marsh.) Clausen — 5 images
American hog peanutAmphicarpaea bracteata (L.) Fern. — 20 images
American hollyIlex opaca Ait. var. opaca — 62 images
American honewort, Canada homewortCryptotaenia canadensis (L.) DC. — 5 images
American hornbeam, ironwood, musclewood, bluebeechCarpinus caroliniana ssp. virginiana (Marsh.) Furlow — 26 images
American lotus, yellow lotusNelumbo lutea Willd. — 4 images
American marsh fernThelypteris palustris ssp. pubescens (Lawson) Fraser-Jenkins — 33 images
American marsh pennywort, swamp pennywort, woodland pennywortHydrocotyle americana L. — 19 images
American mountain ashSorbus americana Marsh. — 7 images
American ostrich fernMatteuccia struthiopteris ssp. pensylvanica (Willd.) A.Löve & D.Löve — 28 images
American papaw, common pawpawAsimina triloba (L.) Dunal — 2 images
American plantain, Rugel's plantain, blackseed plantainPlantago rugelii Dcne. — 18 images
American plum, wild plumPrunus americana Marsh. — 3 images
American pokeweed, poke salletPhytolacca americana L. var. americana — 21 images
American royal fernOsmunda regalis ssp. spectabilis (Willd.) A.Löve & D.Löve — 44 images
American scouring rushEquisetum hyemale ssp. affine (Engelm.) Calder & Taylor — 27 images
American sea bliteSuaeda calceoliformis (Hooker) Moq. — 8 images
American sea rocketCakile edentula (Bigelow) Hooker ssp. edentula var. edentula — 22 images
American smoketreeCotinus obovatus Raf. — 5 images
American spikenardAralia racemosa L. ssp. racemosa — 18 images
American squaw-root, American cancer-rootConopholis americana (L.) Wallr.f. — 12 images
American starflowerLysimachia borealis (Raf.) U.Manns & Anderb. — 16 images
American trembling aspen, quaking aspenPopulus tremuloides Michaux — 45 images
American trout lilyErythronium americanum Ker Gawler ssp. americanum — 46 images
American twinflowerLinnaea borealis ssp. americana (Forbes) Hultén ex Clausen — 9 images
American white waterlily, fragrant waterlilyNymphaea odorata Aiton ssp. odorata — 28 images
American witch-hazel, common witch-hazelHamamelis virginiana L. — 47 images
Amur corktreePhellodendron amurense Rupr. — 41 images
Amur honeysuckleLonicera maackii (Rupr.) Maxim. — 35 images
Amur mapleAcer ginnala Maxim. — 7 images
Amur peppervine, porcelain berryAmpelopsis heterophylla var. brevipedunculata C.L.Li — 23 images
Amur tree lilacSyringa reticulata (Blume) Hara ssp. reticulata — 4 images
Andrews' bottle gentianGentiana andrewsii Griseb. var. andrewsii — 26 images
Ankara crocusCrocus ancyrensis (Herb.) Maw — 2 images
Appalachian barren strawberryGeum fragarioides (Michx.) Smedmark — 4 images
Appalachian rock polypodyPolypodium appalachianum Haufler & Windham — 19 images
Appalachian sand plum, Appalachian sand cherryPrunus susquehanae Willd. — 34 images
Appalachian sedge, spreading star sedgeCarex appalachica J.Webber & P.W.Ball — 6 images
Arkansas bluestarAmsonia hubrichtii Woodson — 13 images
Ashe's variable panicgrassDichanthelium commutatum ssp. ashei (G.Pearson ex Ashe) Freckmann & Lelong — 6 images
Asian pear, Japanese pear, Chinese pearPyrus pyrifolia (Burm.) Nakai — 3 images
Asian skunk cabbageLysichiton camtschatcensis (L.) Schott — 10 images
Asiatic sweetleaf, sapphireberrySymplocos paniculata (Thunb.) Miq. — 8 images
Asiatic tearthumb, mile-a-minutePersicaria perfoliata (L.) H.Gross — 39 images
Atlantic Joe-Pye-weedEutrochium dubium (Willd. ex Poir.) E.E.Lamont — 30 images
Atlantic grape hyacinthMuscari neglectum Guss. ex Ten. — 19 images
Atlantic ivyHedera hibernica (G.Kirchn.) Bean — 19 images
Atlantic mannagrass, coastal mannagrassGlyceria obtusa (Muhl.) Trin. — 19 images
Atlantic mock bishop's weedPtilimnium capillaceum (Michx.) Raf. — 14 images
Atlantic white cedarChamaecyparis thyoides (L.) B.S.P. — 85 images
Austrian pinePinus nigra Arnott — 12 images
Aztec marigold, big marigoldTagetes erecta L. — 1 images
Bartram's shadbush, Bartram's serviceberry, Bartram's juneberry, mountain shadbush, mountain serviceberry, mountain juneberryAmelanchier bartramiana (Tausch) Roemer — 17 images
Bebb's oakQuercus ×bebbiana C.K.Schneider — 4 images
Bebb's willowSalix bebbiana Sarg. — 36 images
Berchtold's pondweed, slender tiny pondweedPotamogeton berchtoldii Fieber — 11 images
Bissell's violet (marsh blue × common blue)Viola ×bissellii House — 16 images
Blake's asterOclemena ×blakei (Porter) G.L.Nesom — 2 images
Bohemian knotweedFallopia ×bohemica (Chrtek & Chrtková) J.P.Bailey — 37 images
Boott's wood fernDryopteris ×boottii (Tuckerman) Underw. — 14 images
Brazilian watermeal, papillate watermealWolffia brasiliensis Weddell — 5 images
Brazilian waterweed, Brazilian elodeaEgeria densa Planchon — 4 images
Britton's violet × comb violetViola brittoniana × V. pectinata — 5 images
Buffalo nut, oil nutPyrularia pubera Michx. — 33 images
Buxbaum's sedge, brown bog sedgeCarex buxbaumii Wahlenb. — 6 images
California privetLigustrum ovalifolium Hassk. — 16 images
Californian false helleboreVeratrum californicum Durand var. californicum — 1 images
Callery pear, Bradford pearPyrus calleryana Dcne. — 28 images
Canada bluejoint, Canada reedgrassCalamagrostis canadensis (Michx.) Beauv. var. canadensis — 50 images
Canada clearweedPilea pumila (L.) A.Gray var. pumila — 17 images
Canada cocklebur, Canada clotburXanthium strumarium var. canadense (P.Miller) Torrey & A.Gray — 12 images
Canada fleabane, horseweed, hogweed, butterweedErigeron canadensis (L.) Carr. — 39 images
Canada goldenrodSolidago canadensis L. var. canadensis — 13 images
Canada hawkweedHieracium kalmii L. — 5 images
Canada lily, wild yellow lilyLilium canadense L. — 19 images
Canada mayflowerMaianthemum canadense Desf. — 18 images
Canada milkvetch, Canadian milkvetchAstragalus canadensis L. — 2 images
Canada moonseedMenispermum canadense L. — 3 images
Canada plumPrunus nigra Aiton — 4 images
Canada thistle, creeping thistleCirsium arvense (L.) Scop. — 13 images
Canada wild ryeElymus canadensis L. var. canadensis — 5 images
Canada windflowerAnemone canadensis L. — 2 images
Canada wood nettleLaportea canadensis (L.) Weddell — 13 images
Canada yewTaxus canadensis Marsh. var. canadensis — 25 images
Canadian burnet, American burnetSanguisorba canadensis L. — 5 images
Canadian rockcress, Drummond's rockcressBoechera stricta (Graham) Al-Shehbaz — 19 images
Canadian wild gingerAsarum canadense L. — 19 images
Carey's smartweedPersicaria careyi (Olney) Greene — 39 images
Carolina cranesbill, Carolina geraniumGeranium carolinianum L. — 31 images
Carolina fanwortCabomba caroliniana A.Gray — 50 images
Carolina nightshade, Carolina horsenettleSolanum carolinense L. var. carolinense — 23 images
Carolina redroot, Carolina bloodrootLachnanthes caroliniana (Lam.) Dandy — 18 images
Carolina rhododendronRhododendron carolinianum Rehd. — 9 images
Carolina rose, pasture roseRosa carolina L. ssp. carolina — 12 images
Carolina silverbellHalesia carolina L. — 8 images
Catawba rhododendronRhododendron catawbiense Michx. — 19 images
Caucasian ivyHedera colchica K.Koch — 5 images
Chapman's bluegrassPoa chapmaniana Scribner — 4 images
Chinese bushcloverLespedeza cuneata (Dum.Cours.) G.Don — 16 images
Chinese chestnutCastanea mollissima Blume — 9 images
Chinese corktreePhellodendron chinense C.K.Schneider — 2 images
Chinese foxtail, giant foxtail, nodding foxtailSetaria faberi R.A.W.Herrm. ex Rosen — 21 images
Chinese lantern plantPhysalis alkekengi L. — 6 images
Chinese privetLigustrum sinense Lour. — 5 images
Chinese silvergrass, Chinese plumegrassMiscanthus sinensis Andersson — 39 images
Chinese smartweed, Oriental lady's thumb, bristly lady's thumbPersicaria longiseta (Bruijn) Kitagawa — 20 images
Chinese wisteriaWisteria sinensis (Sims) DC. — 32 images
Christmas fernPolystichum acrostichoides (Michx.) Schott — 36 images
Clayton's sweet cicelyOsmorhiza claytonii (Michx.) C.B.Clarke — 28 images
Clinton's wood fernDryopteris clintoniana (D.C.Eaton ex A.Gray) Dowell — 6 images
Cooper's hardy iceplant, trailing iceplantDelosperma cooperi (Hook.f.) L.Bolus — 17 images
Crawford's sedgeCarex crawfordii Fernald — 8 images
Cretan viper's buglossEchium creticum L. — 13 images
Deptford pink, grass pinkDianthus armeria L. — 13 images
Dutchman's breechesDicentra cucullaria (L.) Bernh. — 6 images
Elliott's goldenrodSolidago latissimifolia P.Miller — 28 images
Emmons' sedgeCarex albicans var. emmonsii (Dewey ex Torrey) J.Rettig — 10 images
Engelmann's flatsedgeCyperus engelmannii Steudel — 13 images
English bluebellHyacinthoides non-scripta (L.) Chouard — 5 images
English cinquefoilPotentilla anglica Laicharding — 1 images
English elmUlmus procera Salisb. — 2 images
English hawthornCrataegus monogyna Jacq. — 10 images
English ivy, European ivyHedera helix L. — 22 images
English oakQuercus robur L. — 20 images
English violetViola odorata L. — 32 images
English yewTaxus baccata L. — 6 images
Eurasian heal-all, common selfhealPrunella vulgaris L. ssp. vulgaris — 3 images
Eurasian marsh hedgenettle, clown's woundwortStachys palustris L. — 7 images
Eurasian smoketreeCotinus coggygria Scop. — 3 images
Eurasian watermilfoil, spiked watermilfoilMyriophyllum spicatum L. — 11 images
European beechFagus sylvatica L. — 25 images
European black alderAlnus glutinosa (L.) Gaertner — 27 images
European broad-leaved thyme, lemon thymeThymus pulegioides L. — 11 images
European centaury, lesser centauryCentaurium erythraea Raf. — 1 images
European cocklebur, European clotburXanthium strumarium L. var. strumarium — 8 images
European common barberryBerberis vulgaris L. — 24 images
European common box, European boxwoodBuxus sempervirens L. — 4 images
European common buckthorn, purging buckthornRhamnus cathartica L. — 39 images
European common hawkweedHieracium lachenalii K.C.Gmelin — 7 images
European common privetLigustrum vulgare L. — 13 images
European downy birchBetula pubescens Ehrh. ssp. pubescens — 6 images
European false bindweedCalystegia sepium (L.) R.Br. ssp. sepium — 10 images
European field violet, field pansyViola arvensis Murray — 7 images
European forest blackberry, European dewberryRubus caesius L. — 9 images
European gooseberryRibes uva-crispa var. sativum DC. — 3 images
European grape, wine grapeVitis vinifera L. — 12 images
European highbush cranberry, guelder roseViburnum opulus L. ssp. opulus — 30 images
European larchLarix decidua P.Miller — 18 images
European mountain ashSorbus aucuparia L. — 39 images
European raspberry, garden raspberryRubus idaeus L. ssp. idaeus — 4 images
European spindletreeEuonymus europaeus L. — 25 images
European star sedge, prickly sedgeCarex spicata Hudson — 9 images
European strawberryFragaria vesca L. ssp. vesca — 3 images
European water clover, four-leaf clover, pepperwortMarsilea quadrifolia L. — 7 images
European water horehoundLycopus europaeus L. — 1 images
European weeping birch × American gray birchBetula pendula × B. populifolia — 4 images
European weeping birch, European silver birchBetula pendula Roth — 12 images
European wild garlicAllium oleraceum L. — 7 images
European windflowerAnemone nemorosa L. — 5 images
February daphne, mezereon, mezereumDaphne mezereum L. — 4 images
Forbes' glory-of-the-snowChionodoxa forbesii Baker — 11 images
Forbes' sweet white violetViola blanda var. palustriformis A.Gray — 7 images
French roseRosa gallica L. — 11 images
Fuji cherryPrunus incisa Thunb. — 10 images
Geneva bugleweed, standing bugleAjuga genevensis L. — 5 images
German chamomile, Hungarian chamomile, scented mayweedMatricaria chamomilla L. — 5 images
Gilman's bog clubmossLycopodiella ×gilmanii A.Haines — 6 images
Gray's flatsedgeCyperus grayi Torrey — 32 images
Greek windflowerAnemone blanda Schott & Kotschy — 9 images
Greene's pussytoesAntennaria howellii ssp. neodioica (Greene) Bayer — 10 images
Greene's rushJuncus greenei Oakes & Tuckerman — 17 images
Gronovius' hawkweedHieracium gronovii L. — 25 images
Hayden's sedgeCarex haydenii Dewey — 15 images
Hickey's clubmossDendrolycopodium hickeyi (W.H.Wagner, Beitel & Moran) A.Haines — 7 images
Himalayan knotweed, garden smartweedPersicaria wallichii Greuter & Burdet — 14 images
Indian asterAster indicus (L.) All. — 25 images
Indian cucumber root, Indian cucumberMedeola virginiana L. — 37 images
Indian goosegrass, Indian yardgrassEleusine indica (L.) Gaertner — 16 images
Indian grassSorghastrum nutans (L.) Nash — 22 images
Indian lovegrass, soft lovegrassEragrostis pilosa (L.) Beauv. var. pilosa — 16 images
Indian pipeMonotropa uniflora L. — 30 images
Indian strawberryDuchesnea indica (Andr.) Focke — 16 images
Italian ryegrassLolium multiflorum Lam. — 4 images
Jack pinePinus banksiana Lamb. — 12 images
Jack's poplar, balm-of-GileadPopulus ×jackii Sarg. — 1 images
Japanese andromedaPieris japonica (Thunb.) D.Don ex G.Don — 20 images
Japanese angelica treeAralia elata (Miq.) Seem. — 28 images
Japanese barberryBerberis thunbergii DC. — 36 images
Japanese black pinePinus thunbergii Parl. — 23 images
Japanese callicarpaCallicarpa japonica Thunb. — 10 images
Japanese cherryPrunus serrulata Lindley — 13 images
Japanese crabapple, Toringo crab, Siebold's crabappleMalus toringo (Siebold) Siebold ex de Vriese — 17 images
Japanese cranesbill, dewdrop cranesbill, Thunberg's geraniumGeranium thunbergii Sieb. & Zucc. ex Lindl. & Paxton — 13 images
Japanese creeper, Japanese ivy, grape ivy, Boston ivyParthenocissus tricuspidata (Sieb. & Zucc.) Planchon — 11 images
Japanese flowering crabappleMalus floribunda Sieb. ex Van Houtte — 20 images
Japanese flowering quinceChaenomeles speciosa (Sweet) Nakai — 15 images
Japanese hollyIlex crenata Thunb. — 14 images
Japanese honewortCryptotaenia japonica Hassk. — 4 images
Japanese honeysuckleLonicera japonica Thunb. — 38 images
Japanese hopHumulus japonicus Sieb. & Zucc. — 5 images
Japanese knotweedFallopia japonica (Houtt.) R.Decr. var. japonica — 37 images
Japanese mapleAcer palmatum Thunb. — 8 images
Japanese meadowsweetSpiraea japonica var. fortunei (Planch.) Rehd. — 7 images
Japanese milletEchinochloa frumentacea Link — 18 images
Japanese pagoda tree, Chinese scholar treeStyphnolobium japonicum (L.) Schott. — 6 images
Japanese painted fernAnisocampium niponicum (Beddome) Yea C.Liu, W.L.Chiou & M.Kato 'Metallicum' — 7 images
Japanese privet, ibota privetLigustrum obtusifolium Sieb. & Zucc. var. obtusifolium — 22 images
Japanese roseKerria japonica (L.) DC. — 4 images
Japanese rose, saltspray rose, beach roseRosa rugosa Thunb. — 36 images
Japanese snowball viburnumViburnum plicatum Thunb. — 12 images
Japanese snowbellStyrax japonicus Siebold & Zucc. — 9 images
Japanese spurgePachysandra terminalis Sieb. & Zucc. — 10 images
Japanese stewartiaStewartia pseudocamellia Maxim. — 3 images
Japanese stiltgrassMicrostegium vimineum (Trin.) A.Camus — 29 images
Japanese walnutJuglans ailantifolia Carr. — 4 images
Japanese wisteriaWisteria floribunda (Willd.) DC. — 11 images
Japanese yewTaxus cuspidata Sieb. & Zucc. — 11 images
Japanese zelkovaZelkova serrata (Thunb.) Makino — 15 images
Java waterdropwort, water dropwort, water celeryOenanthe javanica (Blume) DC. — 10 images
Jerusalem artichoke, tuberous sunflowerHelianthus tuberosus L. — 23 images
Jesup's willow (white willow × shining willow)Salix ×jesupii Fern. — 18 images
Kaempfer's azalea, torch azaleaRhododendron kaempferi — 3 images
Lamarck's bedstraw, Mediterranean bedstrawGalium divaricatum Pourret ex Lam. — 5 images
Langsdorff's bluejoint, Langsdorff's reedgrassCalamagrostis canadensis var. langsdorffii (Link) Inman — 4 images
Leconte's violetViola affinis Leconte — 26 images
Leggett's pinweedLechea pulchella Raf. — 4 images
Loesel's hedge mustard, tall hedge mustardSisymbrium loeselii L. — 5 images
Lombardy poplar, black poplarPopulus nigra L. — 13 images
Long Island Sound hawthornCrataegus fretalis Sarg. — 7 images
Long's bittercressCardamine longii Fern. — 2 images
Long's bulrush, Long's woosedge, Long's woolgrassScirpus longii Fernald — 6 images
Long's sedgeCarex longii Mackenzie — 36 images
Lucilia's glory-of-the-snowChionodoxa luciliae Boiss. — 12 images
Mackenzie's sedgeCarex mackenziei (cf.) Krecz. — 7 images
Maryland black snakeroot, Maryland sanicleSanicula marilandica L. — 21 images
Massachusetts fernParathelypteris simulata (Davenport) Holttum — 23 images
Mediterranean white heath, Darley Dale heathErica x darleyensis Bean — 3 images
Meserve's hollyIlex ×meserveae S.Y.Hu — 8 images
Mexican groundcherry, tomatilloPhysalis philadelphica var. immaculata Waterfall — 9 images
Mexican tea, wormseedDysphania anthelmintica (L.) Mosyakin & Clemants — 17 images
Meyer's willow (bayleaf willow × West Asian willow)Salix ×meyeriana Rostk. — 5 images
Monckton's knapweedCentaurea ×moncktonii C.E.Britton — 34 images
Morison's spurrySpergula morisonii Boreau — 33 images
Morrow's honeysuckleLonicera morrowii A.Gray — 53 images
Muhlenberg's beadgrassPaspalum setaceum var. muhlenbergii (Nash) D.Banks — 33 images
Muhlenberg's sedgeCarex muehlenbergii Schkuhr ex Willd. — 3 images
Nantucket shadbush, Nantucket serviceberry, Nantucket juneberryAmelanchier nantucketensis Bickn. — 18 images
New England asterSymphyotrichum novae-angliae (L.) G.L.Nesom — 25 images
New England blazing star, northern blazing starLiatris novae-angliae (Lunell) Shinners var. novae-angliae — 36 images
New England boneset, pondshore bonesetEupatorium novae-angliae (Fern.) V.Sullivan ex A.Haines & Sorrie — 8 images
New England grapeVitis ×novae-angliae Fern. — 4 images
New England sand blackberry, sandy field blackberryRubus arenicola Blanchard — 10 images
New England sedgeCarex novae-angliae Schwein. — 2 images
New Jersey highbush blueberryVaccinium caesariense Mackenzie — 21 images
New Jersey teaCeanothus americanus L. — 20 images
New York asterSymphyotrichum novi-belgii (L.) G.L.Nesom var. novi-belgii — 49 images
New York fernParathelypteris noveboracensis (L.) Ching — 23 images
New York ironweedVernonia noveboracensis (L.) Michx. — 29 images
Nippon daisyNipponanthemum nipponicum (Franch. ex Maxim.) Kitam. — 9 images
North American reedPhragmites americanus (Saltonstall, P.M.Peterson & Soreng) A.Haines — 16 images
Norway mapleAcer platanoides L. — 36 images
Norway sprucePicea abies (L.) H.Karst. — 54 images
Norwegian cinquefoil, three-finger, strawberryweedPotentilla norvegica L. — 19 images
Nuttall's bluejoint, reed bluejoint, Nuttall's reedgrassCalamagrostis cinnoides (Muhl.) W.Barton — 22 images
Nuttall's milkwortPolygala nuttallii Torrey & A.Gray — 17 images
Nuttall's waterweed, free-flowered waterweedElodea nuttallii (Planchon) H.St.John — 10 images
Oakes' evening primrose, cross-shaped evening primroseOenothera oakesiana (A.Gray) J.W.Robbins ex S.Wats. & Coult. — 20 images
Oakes' pondweedPotamogeton oakesianus J.W.Robbins — 13 images
Oconee bellsShortia galacifolia Torr. & A.Gray — 10 images
Oriental bittersweet, Asian bittersweetCelastrus orbiculatus Thunb. — 92 images
Oriental photinia, Christmas berryPhotinia villosa (Thunb.) DC. — 3 images
Ottawa hybrid barberryBerberis ×ottawensis C.K.Schneid. — 4 images
Ozark beggarticksBidens polylepis Blake — 10 images
Ozark witch-hazel, spring witch-hazelHamamelis vernalis Sarg. — 15 images
Parker's pipewortEriocaulon parkeri B.L.Robinson — 8 images
Peck's bulrushScirpus ×peckii Britton — 14 images
Pennsylvania pellitory, rock pellitoryParietaria pensylvanica Muhl. ex Willd. — 7 images
Pennsylvania sedgeCarex pensylvanica Lam. — 27 images
Pennsylvania smartweedPersicaria pensylvanica (L.) G.Maza — 35 images
Persian speedwell, birdseye speedwellVeronica persica Poiret — 6 images
Philadelphia fleabaneErigeron philadelphicus L. var. philadelphicus — 4 images
Philadelphia panicgrassPanicum philadelphicum Bernh. ex Trin. ssp. philadelphicum — 11 images
Pickering's reedgrassCalamagrostis pickeringii A.Gray — 23 images
Plains white doll's daisy, Plains false asterBoltonia asteroides var. latisquama (A.Gray) Cronq. — 7 images
Plymouth gentianSabatia kennedyana Fern. — 65 images
Powell's amaranthAmaranthus powellii S.Watson — 8 images
Pringle's asterSymphyotrichum pilosum var. pringlei (A.Gray) G.L.Nesom — 19 images
Pylaie's soft rushJuncus pylaei Laharpe — 21 images
Ravenna grass, elephant grass, hardy pampas grass, plume grassSaccharum ravennae L. — 3 images
Rhode Island bentgrass, colonial bent, browntopAgrostis capillaris L. — 4 images
Rich's sea bliteSuaeda maritima ssp. richii (Fern.) Bassett & C.W.Crompton — 4 images
Robbins' spikerush, Robbins' spikesedgeEleocharis robbinsii Oakes — 62 images
Rocky Mountain Douglas firPseudotsuga menziesii ssp. glauca (Beissn.) A.E.Murray — 15 images
Russian olive, oleaster, silverberryElaeagnus angustifolia L. — 13 images
Russian sagePerovskia atriplicifolia Benth. — 12 images
Sakhalin corktreePhellodendron sachalinense (Fr.Schmidt) Sarg. — 20 images
Sakhalin spindletreeEuonymus sachalinensis (Fr.Schmidt) Maxim. — 14 images
Saul's oakQuercus ×saulii C.K.Schneider — 13 images
Savoy hawkweedHieracium sabaudum L. — 31 images
Scotch broomCytisus scoparius (L.) Link var. scoparius — 20 images
Scotch heatherCalluna vulgaris (L.) Hull — 24 images
Scotch pine, Scots pinePinus sylvestris L. — 25 images
Scotch roseRosa spinosissima L. — 7 images
Scots elm, wych elmUlmus glabra Hudson — 3 images
Scribner's panicgrassDichanthelium oligosanthes ssp. scribnerianum (Nash) Freckmann & Lelong — 9 images
Siberian crabappleMalus baccata (L.) Borkh. — 25 images
Siberian elm, dwarf elmUlmus pumila L. — 18 images
Siberian irisIris sibirica L. — 12 images
Siberian squillOthocallis siberica (Haw. ex Andr.) Speta — 11 images
Siberian wallflower (garden hybrid, parentage uncertain)Erysimum ×marshalli (Henfr.) Bois. — 4 images
Sieber's crocus, Cretan crocusCrocus sieberii J.Gay — 3 images
Siebold's euonymusEuonymus sieboldianus Blume — 7 images
Slosson's wood fernDryopteris ×slossoniae Wherry ex Lellinger — 11 images
Smith's blackberryRubus jaysmithii Bailey — 20 images
Smith's willow (ash willow × basket willow)Salix ×smithiana Willd. — 9 images
Sosnowsky's giant hogweedHeracleum sosnowskyi Manden. — 5 images
South American vervain, purpletop vervainVerbena bonariensis var. conglomerata Briq. — 17 images
Spanish bayonet, Adam's needleYucca filamentosa L. — 22 images
Stueve's bushcloverLespedeza stuevei Nutt. — 20 images
Swan's sedgeCarex swanii (Fern.) Mackenzie — 27 images
Tatarian honeysuckleLonicera tatarica L. — 3 images
Tatarian mapleAcer tataricum L. — 6 images
Texan yellow flax, stiff yelow flax, common yellow flaxLinum medium ssp. texanum (Planchon) A.Haines — 7 images
Thunberg's meadowsweetSpiraea thunbergii Sieb. — 13 images
Torrey's beaksedgeRhynchospora torreyana A.Gray — 8 images
Tuckerman's quillwortIsoetes tuckermanii A.Br. ex Engelm. — 20 images
Turk's cap lilyLilium superbum L. — 4 images
Turkey oakQuercus cerris L. — 24 images
Turkish hazel, filbertCorylus colurna L. — 11 images
Tyrol knapweed, Vochin knapweed, Wocheiner knapweed, short-fringed knapweedCentaurea nigrescens Willd. — 7 images
Vasey's azaleaRhododendron vaseyi A.Gray — 7 images
Venus' looking glass, clasping bellflowerTriodanis perfoliata (L.) Nieuwl. — 16 images
Virginia bluebells, eastern bluebells, Virginia cowslipMertensia virginica (L.) Pers. ex Link — 4 images
Virginia chain fernWoodwardia virginica (L.) Smith — 36 images
Virginia cottongrass, tawny cottonsedgeEriophorum virginicum L. — 36 images
Virginia creeperParthenocissus quinquefolia (L.) Planchon — 55 images
Virginia dwarf dandelionKrigia virginica (L.) Willd. — 39 images
Virginia marsh St. John's-wortTriadenum virginicum (L.) Raf. — 29 images
Virginia meadowbeauty, northern meadowbeauty, wingstem meadowpitchersRhexia virginica L. — 57 images
Virginia mountain mintPycnanthemum virginianum (L.) T.Durand & B.D.Jackson — 6 images
Virginia pepperweed, poorman's pepperLepidium virginicum L. var. virginicum — 28 images
Virginia rose, low roseRosa virginiana P.Miller — 29 images
Virginia spiderwortTradescantia virginiana L. — 8 images
Virginia sweetspire, Virginia willowItea virginica L. — 4 images
Virginia three-seeded mercuryAcalypha virginica L. — 10 images
Virginia water horehound, floodplain water horehoundLycopus virginicus L. — 37 images
Virginia waterleaf, eastern waterleafHydrophyllum virginianum L. — 11 images
Virginia wild rye, common eastern wild ryeElymus virginicus L. var. virginicus — 17 images
Virginia yellow flax, woodland yellow flaxLinum virginianum L. — 26 images
Walter's sedgeCarex striata Michx. — 19 images
Washington hawthornCrataegus phaenopyrum (L.f.) Medik. — 5 images
West Asian willowSalix euxina Belyaeva — 18 images
Wiegand's rushJuncus anthelatus (Wieg.) R.E.Brooks — 8 images
Wright's panicgrassDichanthelium wrightianum (Scribner) Freckmann — 2 images
Xalapa purslane speedwell, Jalapa purslane speedwellVeronica peregrina ssp. xalapensis (Kunth) Pennell — 5 images
acid-water arrowhead, Engelmann's arrowheadSagittaria engelmanniana J.G.Smith — 29 images
aizoon stonecrop, Siberian stonecropAizopsis aizoon (L.) V.Grulich — 5 images
alder-leaved mountain ash, Korean mountain ashSorbus alnifolia (Siebold & Zucc.) K.Koch — 2 images
anemone meadowrue, rue anemoneThalictrum thalictroides (L.) Eames & Boivin — 9 images
annual bluegrassPoa annua L. — 15 images
annual fleabane, eastern daisy fleabaneErigeron annuus (L.) Pers. — 15 images
annual glasswort, common glasswortSalicornia depressa Standl. — 27 images
annual knawelScleranthus annuus L. — 14 images
annual ragweedAmbrosia artemisiifolia L. — 26 images
annual saltmarsh aster, small-flowered saltmarsh asterSymphyotrichum subulatum (Michaux) G.L.Nesom var. subulatum — 15 images
annual sand bean, annual woolly bean, trailing fuzzy beanStrophostyles helvola (L.) Ell. — 23 images
annual sea blite, erect sea blite, slender sea bliteSuaeda linearis (Ell.) Moq. — 9 images
annual sowthistle, common thowthistleSonchus oleraceus L. — 16 images
annual umbrella sedge, dwarf umbrella sedgeFuirena pumila (Torrey) Sprengel — 32 images
arborvitae, northern white cedar, eastern white cedarThuja occidentalis L. — 14 images
arching sand blackberryRubus recurvicaulis Blanchard — 7 images
arrowhead rattleboxCrotalaria sagittalis L. — 21 images
arrowleaf tearthumbPersicaria sagittata (L.) H.Gross — 16 images
arrowleaf violet, arrowhead violetViola sagittata Aiton var. sagittata — 2 images
ash willowSalix cinerea L. — 36 images
auburn panic grass, tapered panicgrassDichanthelium acuminatum (Sw.) Gould & C.A.Clark ssp. acuminatum — 7 images
autumn olive, autumn oleaster, spreading oleasterElaeagnus umbellata var. parvifolia (Royle) Schneid. — 54 images
autumn willowSalix serissima (Bailey) Fern. — 31 images
awl-fruited sedgeCarex stipata Muhl. ex Willd. var. stipata — 17 images
awnless brome, smooth bromeBromus inermis Leyss. ssp. inermis — 12 images
balloon flowerPlatycodon grandiflorus — 4 images
balsam firAbies balsamea (L.) P.Miller — 28 images
balsam poplarPopulus balsamifera L. ssp. balsamifera — 5 images
balsam ragwort, balsam groundselPackera paupercula (Michaux) W.A.Weber & A.Löve — 9 images
barren bromeBromus sterilis L. — 4 images
barrens needlegrass, bent red threeawnAristida longespica var. geniculata (Raf.) Fern. — 11 images
basket willowSalix purpurea L. — 17 images
basket willow × common osierSalix purpurea × S. viminalis — 1 images
basswood, American lindenTilia americana L. var. americana — 49 images
bastard toadflaxComandra umbellata (L.) Nutt. ssp. umbellata — 32 images
bay willowSalix pentandra L. — 8 images
bayberryMorella pensylvanica (Mirbel) Kartesz — 36 images
bayonet rushJuncus militaris Bigelow — 55 images
beach peaLathyrus japonicus var. maritimus (L.) Kartesz & Gandhi — 16 images
beach pinweedLechea maritima Leggett ex B.S.P. var. maritima — 77 images
beach plumPrunus maritima Marsh. var. maritima — 62 images
beaded broom sedge, necklace broom sedgeCarex projecta Mackenzie — 8 images
beaked hazelnutCorylus cornuta Marsh. ssp. cornuta — 28 images
bearberryArctostaphylos uva-ursi (L.) Sprengel — 40 images
beautybushKolkwitzia amabilis Graebner — 10 images
beechdropsEpifagus virginiana (L.) W.P.C.Barton — 30 images
beetleweed, wandflowerGalax urceolata (Poiret) Brummitt — 17 images
big bluestemAndropogon gerardii Vitman — 36 images
big cordgrass, salt reedgrassSpartina cynosuroides (L.) Roth — 15 images
big quaking grassBriza maxima L. — 5 images
big straw sedge, greater straw sedgeCarex normalis Mackenzie — 4 images
big-headed hornsedge, tall beaksedgeRhynchospora macrostachya Torrey ex A.Gray — 50 images
bigleaf holly, mountain hollyIlex montana Torrey & A.Gray ex A.Gray — 31 images
bigleaf magnoliaMagnolia macrophylla Michx. — 2 images
bigleaf pondweedPotamogeton amplifolius Tuckerman — 3 images
bigtooth aspenPopulus grandidentata Michaux — 38 images
birchleaf spirea, white meadowsweetSpiraea betulifolia Pall. — 5 images
bird vetchVicia cracca L. ssp. cracca — 13 images
birdseye speedwell, germander speedwellVeronica chamaedrys L. — 4 images
birdsfoot trefoilLotus corniculatus L. — 10 images
birdsfoot violetViola pedata L. — 34 images
bitter panicgrassPanicum amarum ssp. amarulum (A.S.Hitchc. & Chase) Freckmann & Lelong — 11 images
bitternut hickory, swamp hickoryCarya cordiformis (Wangenh.) K.Koch — 13 images
black ashFraxinus nigra Marshall — 21 images
black bentgrass, redtop bentgrassAgrostis gigantea Roth — 6 images
black bindweed, false buckwheatFallopia convolvulus (L.) A.Löve — 3 images
black bugbane, black cohosh, black snakerootActaea racemosa L. — 6 images
black bulrush, Georgia bulrushScirpus georgianus Harper — 6 images
black cherryPrunus serotina Ehrh. — 82 images
black chokeberryAronia melanocarpa (Michx.) Ell. — 37 images
black highbush blueberryVaccinium fuscatum Ait. — 35 images
black huckleberryGaylussacia baccata (Wangenh.) K.Koch — 55 images
black knapweedCentaurea nigra L. — 3 images
black locustRobinia pseudoacacia L. — 39 images
black medickMedicago lupulina L. — 5 images
black nightshadeSolanum nigrum ssp. nigrum L. — 4 images
black oakQuercus velutina Lam. — 52 images
black raspberryRubus occidentalis L. — 22 images
black snakeroot, Canada blacksnakerootSanicula canadensis L. var. canadensis — 6 images
black sprucePicea mariana (P.Miller) B.S.P. — 36 images
black swallowwortCynanchum louiseae Kartesz & Gandhi — 22 images
black walnutJuglans nigra L. — 15 images
black willowSalix nigra Marsh. — 66 images
black-eyed Susan, black-eyed coneflowerRudbeckia hirta var. pulcherrima Farw. — 32 images
black-fruited false mountain ash×Sorbaronia fallax C.K.Schneid. — 3 images
black-fruited lowbush blueberryVaccinium angustifolium var. nigrum (Wood) Dole — 8 images
black-fruited spikerush, black-fruited spikesedgeEleocharis melanocarpa Torrey — 46 images
black-girdled woolsedge, dusky woolgrassScirpus atrocinctus Fern. — 2 images
blackseeded speargrass, black oatgrassPiptochaetium avenaceum (L.) Parodi — 24 images
bladder campionSilene vulgaris (Moench) Garcke ssp. vulgaris — 8 images
bladder sennaColutea arborescens L. — 3 images
bladder-pod lobelia, Indian tobaccoLobelia inflata L. — 30 images
bladdernutStaphylea trifolia L. — 4 images
blood amaranth × Powell's amaranthAmaranthus cruentus × A. powellii — 7 images
blood-twig dogwood, European common dogwoodSwida sanguinea (L.) Opiz — 4 images
bloodrootSanguinaria canadensis L. — 22 images
bloody cranesbill, blood-red cranesbill, bloody geraniumGeranium sanguineum L. — 14 images
blue Jacob's ladderPolemonium caeruleum L. — 1 images
blue false indigoBaptisia australis (L.) R.Br. ex Ait.f. var. australis — 10 images
blue heartleaf asterSymphyotrichum cordifolium (L.) G.L.Nesom — 15 images
blue huckleberry, dangleberryGaylussacia frondosa (L.) Torr. & A.Gray ex Torr. — 43 images
blue mistflowerConoclinium coelestinum (L.) DC. — 6 images
blue plantain lilyHosta ventricosa (Salisb.) Stearn — 6 images
blue prucePicea pungens Engelm. — 12 images
blue scorpion grassMyosotis stricta Link ex Roemer & J.A.Schultes — 27 images
blue toadflax, old-field toadflaxNuttallanthus canadensis (L.) D.A.Sutton — 37 images
blue vervain, common vervainVerbena hastata L. var. hastata — 21 images
blue wood lettuce, tall blue lettuceLactuca biennis (Moench) Fern. — 12 images
bluebead lilyClintonia borealis (Aiton) Raf. — 44 images
blunt broom sedgeCarex tribuloides Wahlenb. var. tribuloides — 20 images
blunt-leaved grove sandwortMoehringia lateriflora (L.) Fenzl — 15 images
blunt-leaved marsh bedstraw, large marsh bedstrawGalium obtusum Bigelow ssp. obtusum — 4 images
blunt-lobed grapefernBotrychium oneidense (Gilbert) House — 21 images
blunt-lobed liverleaf, blunt-lobed liverwortHepatica americana (DC.) Ker Gawler — 30 images
blunt-lobed woodsia, blunt-lobed cliff fernWoodsia obtusa (Spreng.) Torr. ssp. obtusa — 11 images
bog asterOclemena nemoralis (Aiton) Greene — 12 images
bog huckleberryGaylussacia bigeloviana (Fern.) Sorrie & Weakley — 25 images
bog laurelKalmia polifolia Wangenh. — 5 images
bog rosemaryAndromeda polifolia var. glaucophylla (Link) DC. — 3 images
bog white violet, lanceleaf violetViola lanceolata L. ssp. lanceolata — 40 images
bog willowSalix pedicellaris Pursh — 37 images
bog yellow-eyed grassXyris difformis Chapman var. difformis — 26 images
bogbean, buckbeanMenyanthes trifoliata L. — 7 images
border forsythiaForsythia intermedia Zabel — 22 images
bottle sedge, beaked sedge, swollen-beaked sedgeCarex utriculata Boott — 29 images
bottlebrush buckeyeAesculus parviflora Walt. — 16 images
bower actinidia, tara vineActinidia arguta (Sieb. & Zucc.) Planch. ex Miq. — 21 images
boxelderAcer negundo L. var. negundo — 17 images
bracken fernPteridium aquilinum var. latiusculum (Desv.) L.Underw. ex A.Heller — 31 images
brackish Baltic rushJuncus balticus ssp. littoralis (Engelm.) Snogerup — 3 images
bracted plantainPlantago aristata Michaux — 18 images
branching centaury, branched centauryCentaurium pulchellum (Sw.) Druce — 4 images
bridalwreath meadowsweetSpiraea prunifolia Sieb. & Zucc. — 7 images
bristleless Smith's clubsedge, bristleless Smith's bulrushSchoenoplectus smithii (A.Gray) Soják var. smithii — 11 images
bristly aster, swamp aster, purple-stemmed aterSymphyotrichum puniceum (L.) A.Löve & D.Löve var. puniceum — 37 images
bristly blackberryRubus setosus Bigelow — 7 images
bristly dewberryRubus hispidus L. — 45 images
bristly locustRobinia hispida L. var. hispida — 20 images
bristly sarsaparillaAralia hispida Vent. — 36 images
bristly sedge, bearded sedgeCarex comosa Boott — 33 images
brittle bladder fern, fragile fernCystopteris fragilis (L.) Bernh. — 10 images
brittle willow (white willow × West Asian willow)Salix ×fragilis L. — 23 images
broad beech fern, southern beech fernPhegopteris hexagonoptera (Michx.) Fée — 6 images
broad three-seeded mercuryAcalypha rhomboidea Raf. — 18 images
broad-leaved Solomon's sealPolygonatum latifolium (Jacq.) Desf. — 5 images
broad-leaved cattailTypha latifolia L. — 30 images
broad-leaved enchanter's nightshadeCircaea canadensis (L.) Hill ssp. canadensis — 22 images
broad-leaved eryngo, Plains eryngoEryngium planum L. — 7 images
broad-leaved helleborineEpipactis helleborine (L.) Crantz — 32 images
broad-leaved panicgrassDichanthelium latifolium (L.) Gould & Glark — 26 images
broad-leaved pepperweed, tall pepperweed, broad-leaved peppergrassLepidium latifolium L. — 18 images
broad-leaved pussytoesAntennaria parlinii ssp. fallax (Greene) Bayer & Stebbins — 4 images
broad-leaved ragwort, running groundselPackera obovata (Muhl. ex Willd.) W.A.Weber & A.Löve — 15 images
broad-leaved sedge, broad-leaved woodland sedgeCarex platyphylla Carey — 3 images
broad-leaved springbeautyClaytonia caroliniana Michx. — 22 images
broad-leaved white meadowsweetSpiraea alba var. latifolia (Aiton) Dippel — 25 images
broad-leaved woolly fruited sedge, woolly sedgeCarex pellita Muhl. — 9 images
broad-lobed dandelionTaraxacum latilobum DC. — 4 images
brome-like sedgeCarex bromoides Schkuhr ex Willd. ssp. bromoides — 6 images
broom crowberryCorema conradii (Torrey) Torrey ex Loudon — 49 images
broomsedge bluestem, Virginia broomsedgeAndropogon virginicus L. var. virginicus — 7 images
brown beaksedge, sooty beakrushRhynchospora fusca (L.) Ait.f. — 8 images
brown knapweedCentaurea jacea L. — 2 images
brown mustard, Oriental mustard, Chinese mustardBrassica juncea (L.) Czern. — 3 images
brownish beakrush, brownish beaksedgeRhynchospora capitellata (Michx.) Vahl — 36 images
brownish sedgeCarex brunnescens var. sphaerostachya (Tuckerman) Kükenth. — 7 images
bulblet bladder fernCystopteris bulbifera (L.) Bernh. — 10 images
bulblet-bearing water hemlockCicuta bulbifera L. — 19 images
bulbous bittercress, spring cressCardamine bulbosa (Schreb. ex Muhl.) B.S.P. — 7 images
bulbous bluegrassPoa bulbosa ssp. vivipara (Koel.) Arcang. — 16 images
bulbous buttercup, bulbous crowfoot, St. Anthony's turnipRanunculus bulbosus L. — 34 images
bulbous woodrushLuzula bulbosa (Wood) Rydb. — 2 images
bunchberry, dwarf cornelChamaepericlymenum canadense (L.) Aschers. & Graebn. — 21 images
bushcloverLespedeza sp. — 4 images
bushy bluestem, bunched broomsedgeAndropogon glomeratus (Walter) B.S.P. var. glomeratus — 31 images
bushy frostweed, bushy rockroseCrocanthemum dumosum Bicknell — 26 images
butterbur, butterbur sweet coltsfootPetasites hybridus (L.) Gaertner, B.Meyer & Scherb. — 11 images
butterfly bush, summer lilacBuddleja davidii Franch. — 26 images
butterfly milkweedAsclepias tuberosa L. — 33 images
butternut, white walnutJuglans cinerea L. — 11 images
button eryngoEryngium yuccifolium Michx. var. yuccifolium — 5 images
button sedgeCarex bullata Schkuhr ex Willd. — 27 images
buttonbush dodderCuscuta cephalanthi Engelm. — 11 images
calico aster, goblet asterSymphyotrichum lateriflorum (L.) A.Löve & D.Löve — 22 images
caper spurge, gopher spurgeEuphorbia lathyris L. — 3 images
cardinalflowerLobelia cardinalis L. — 30 images
carpet bugleweed, common bugle, blue bugleAjuga reptans L. — 18 images
carrion flower, smooth herbaceous greenbrierSmilax herbacea L. — 24 images
castor araliaKalopanax septemlobus (Thunb.) Koidz. — 11 images
catberry, mountain holly, swamp hollyIlex mucronata (L.) M.Powell, Savol. & S.Andrews — 70 images
catbrier, bullbrier, common greenbrierSmilax rotundifolia L. — 33 images
catnipNepeta cataria L. — 2 images
cattail sedgeCarex typhina Michx. — 4 images
cedar of LebanonCedrus libani A.Rich. — 2 images
celandine poppyStylophorum diphyllum (Michx.) Nutt. — 14 images
checkered rattlesnake plantainGoodyera tesselata Lodd. — 18 images
cherry plum, myrobalan plumPrunus cerasifera Ehrh. — 9 images
chervilAnthriscus sylvestris (L.) Hoffmann — 12 images
chestnut oakQuercus montana Willd. — 37 images
chocolate vine, five-leaflet akebiaAkebia quinata (Houtt.) Dcne. — 28 images
chokecherryPrunus virginiana L. var. virginiana — 51 images
choseniaChosenia arbutifolia (Pallas) A.Skv. — 3 images
cinnamon fernOsmundastrum cinnamomeum (L.) C.Presl — 38 images
cinnamon roseRosa cinnamomea L. — 4 images
city goosefootChenopodium urbicum L. — 5 images
clammy chickweed, sticky chickweedCerastium glomeratum Thuill. — 9 images
clammy groundcherryPhysalis heterophylla Nees var. heterophylla — 16 images
clammy locustRobinia viscosa Vent. var. viscosa — 8 images
clasping aster, skydrops, skydrop asterSymphyotrichum patens (Aiton) G.L.Nesom var. patens — 20 images
clasping hartleaf aster, wavyleaf asterSymphyotrichum undulatum (L.) G.L.Nesom — 31 images
clasping milkweedAsclepias amplexicaulis Sm. — 35 images
cleft hempnettle, split-lipped hempnettleGaleopsis bifida Boenn. — 13 images
climbing false buckwheat, bindweedFallopia scandens (L.) Holub — 26 images
climbing hempvineMikania scandens (L.) Willd. — 30 images
climbing hydrangeaHydrangea anomala D.Don — 8 images
climbing nightshade, bittersweet nightshade, deadly nightshadeSolanum dulcamara L. var. dulcamara — 25 images
cluster-leaved ticktrefoil, pointed-leaf ticktrefoilHylodesmum glutinosum (Muhl. ex Willd.) H.Ohashi & R.R.Mill — 7 images
clustered bellflowerCampanula glomerata L. — 2 images
clustered sedge, crowded sedgeCarex cumulata (Bailey) Mackenzie — 12 images
coarse agrimony, grooved agrimony, roadside agrimonyAgrimonia striata Michaux — 17 images
coast blite, red goosefootChenopodium rubrum L. var. rubrum — 14 images
coastal Douglas fir, Coast Douglas firPseudotsuga menziesii (Mirbel) Franco ssp. menziesii — 25 images
coastal barnyard grass, Walter's cockspurEchinochloa walteri (Pursh) Heller — 14 images
coastal jointed knotweed, jointweedPolygonum articulatum L. — 36 images
coastal plain slender goldenrod, slender-leaved flat-topped goldenrodEuthamia caroliniana (L.) Greene ex Port. & Britt. — 26 images
coastal sandburCenchrus spinifex Cav. — 10 images
coastal sweet pepperbushClethra alnifolia L. — 45 images
cockspur hawthornCrataegus crus-galli L. — 12 images
coltsfootTussilago farfara L. — 50 images
comb violetViola pectinata Bicknell — 21 images
common Eurasian St. John's-wortHypericum perforatum L. — 22 images
common European ashFraxinus excelsior L. — 6 images
common European hopHumulus lupulus L. ssp. lupulus — 4 images
common European hound's tongueCynoglossum officinale L. — 5 images
common European pearPyrus communis L. — 27 images
common TimothyPhleum pratense L. — 18 images
common agrimonyAgrimonia gryposepala Wallr. — 36 images
common arrowhead, duck potatoSagittaria latifolia Willd. — 34 images
common barleyHordeum vulgare L. — 3 images
common barnyard grassEchinochloa crus-galli (L.) Beauv. — 22 images
common beggarticks, devil's pitchforksBidens frondosa L. — 22 images
common bittercress, Pennsylvania bittercressCardamine pensylvanica Muhl. ex Willd. — 6 images
common bleeding heartLamprocapnos spectabilis (L.) Fukuhara — 2 images
common blue violetViola sororia Willd. — 40 images
common boneset, boneset thoroughwortEupatorium perfoliatum L. — 49 images
common bulrush, common woolsedge, common woolgrassScirpus cyperinus (L.) Kunth — 33 images
common bur-reed, American bur-reedSparganium americanum Nutt. — 33 images
common buttonbushCephalanthus occidentalis L. — 30 images
common chickweedStellaria media (L.) Vill. — 30 images
common chicoryCichorium intybus L. — 13 images
common cinquefoil, oldfield cinquefoilPotentilla simplex Michaux — 14 images
common comfreySymphytum officinale L. — 4 images
common dandelionTaraxacum officinale G.H.Weber ex Wiggers — 28 images
common dodder, swamp dodder, strangleweed, love vineCuscuta gronovii Willd. ex Roem. & Schult. var. gronovii — 16 images
common duckweedLemna minor L. — 7 images
common evening primroseOenothera biennis L. — 39 images
common fennel, sweet fennelFoeniculum vulgare P.Miller — 6 images
common flat-topped goldenrod, grassleaf flat-topped goldenrodEuthamia graminifolia (L.) Nutt. — 16 images
common fox sedgeCarex vulpinoidea Michx. — 21 images
common foxglove, purple foxgloveDigitalis purpurea L. var. purpurea — 30 images
common fumitory, medicinal fumitory, earth smokeFumaria officinalis L. ssp. officinalis — 5 images
common grape hyacinthMuscari botryoides (L.) P.Miller — 2 images
common groundsel, common ragwortSenecio vulgaris L. — 14 images
common hackberryCeltis occidentalis L. — 40 images
common hedge mustardSisymbrium officinale (L.) Scop. — 12 images
common henbit, henbit deadnettleLamium amplexicaule L. var. amplexicaule — 9 images
common hoptree, stinking ash, wafer ashPtelea trifoliata L. ssp. trifoliata var. trifoliata — 11 images
common juniper, pasture juniperJuniperus communis var. depressa Pursh — 37 images
common lady's mantleAlchemilla vulgaris L. — 7 images
common lilacSyringa vulgaris L. — 7 images
common limeTilia ×vulgaris Hayne — 2 images
common mallow, cheesesMalva neglecta Wallr. — 14 images
common marsh bedstrawGalium palustre L. — 4 images
common milkweedAsclepias syriaca L. — 32 images
common mulleinVerbascum thapsus L. — 31 images
common nipplewortLapsana communis L. — 24 images
common osierSalix viminalis L. — 2 images
common partridge peaChamaecrista fasciculata (Michx.) Greene — 20 images
common periwinkleVinca minor L. — 32 images
common plantain, white man's footPlantago major L. — 20 images
common purslanePortulaca oleracea L. — 20 images
common quickweed, hairy quickweedGalinsoga quadriradiata Ruiz & Pavón — 13 images
common quinceCydonia oblonga P.Miller — 3 images
common reedPhragmites australis (Cav.) Trin. ex Steudel — 79 images
common rough-stemmed goldenrod, common wrinkle-leaved goldenrodSolidago rugosa P.Miller ssp. rugosa — 29 images
common sand spurry, red sand spurrySpergularia rubra (L.) J.Presl & K.Presl — 13 images
common shepherd's cressTeesdalia nudicaulis (L.) Ait.f. — 43 images
common soapwort, soapweed, bouncing betSaponaria officinalis L. — 21 images
common soft rushJuncus effusus L. ssp. effusus — 5 images
common speedwellVeronica officinalis L. — 18 images
common sunflower, mirasolHelianthus annuus L. — 5 images
common tansyTanacetum vulgare L. — 16 images
common thistle, bull thistleCirsium vulgare (Savi) Ten. — 38 images
common threesquare, threesquare bulrushSchoenoplectus pungens (Vahl) Palla var. pungens — 32 images
common valerian, garden heliotrope, all-healValeriana officinalis L. — 10 images
common velvetgrassHolcus lanatus L. — 26 images
common viper's bugloss, blue weedEchium vulgare L. — 4 images
common water hyacinthEichhornia crassipes (Mart.) Solms-Laubach — 1 images
common watercressNasturtium officinale Ait.f. — 9 images
common winterberryIlex verticillata (L.) A.Gray — 55 images
common woodreed, sweet woodreedCinna arundinacea L. — 18 images
common woodrushLuzula multiflora (Retz.) Lej. ssp. multiflora — 37 images
common yarrow, seaside yarrowAchillea millefolium ssp. lanulosa (Nutt.) Piper — 23 images
common yellow rocket, common wintercressBarbarea vulgaris W.T.Aiton — 46 images
common yellow woodsorrelOxalis stricta L. — 25 images
concealed sedge, thicket sedgeCarex abscondita Mackenzie — 3 images
cone-bearing willow (pussy willow × upland willow)Salix ×conifera Wangenh. (pro sp.) — 9 images
coralberry, red snowberrySymphoricarpos orbiculatus Moench — 6 images
cornZea mays L. ssp. mays — 4 images
corn speedwell, field speedwellVeronica arvensis L. — 18 images
corn spurrySpergula arvensis L. — 5 images
couchgrass, quackgrass, creeping wild ryeElymus repens (L.) Gould — 6 images
cow herb, cowcockleVaccaria hispanica (P.Miller) Rauschert — 8 images
cow parsnipHeracleum maximum Bartram — 42 images
cowwheatMelampyrum lineare Desr. — 18 images
cream-colored avens, Virginia avensGeum virginianum L. — 1 images
creeping buttercup, creeping crowfootRanunculus repens L. — 28 images
creeping loosestrife, creeping Jenny, moneywortLysimachia nummularia L. — 12 images
creeping phloxPhlox stolonifera Sims — 2 images
creeping poison ivy, western poison ivyToxicodendron rydbergii (Small ex Rydb.) Greene — 5 images
creeping snowberryGaultheria hispidula (L.) Muhl. ex Bigelow — 16 images
creeping woodsorrelOxalis corniculata L. — 10 images
crested dwarf irisIris cristata Aiton — 1 images
crested wheatgrassAgropyron cristatum (L.) Gaertner — 2 images
crested wood fernDryopteris cristata (L.) A.Gray — 34 images
crinkleroot, two-leaved toothwortCardamine diphylla (Michx.) Wood — 19 images
crispy pondweed, curly pondweedPotamogeton crispus L. — 3 images
crowned beggarticks, northern tickseed sunflowerBidens trichosperma (Michx.) Britton — 18 images
cucumber tree, cucumbertreeMagnolia acuminata L. — 6 images
cultivar of Scots pinePinus sylvestris 'Watereri' — 7 images
cultivarsNarcissus spp. — 6 images
cultivated blue flax, European common flaxLinum usitatissimum L. — 3 images
cultivated garlicAllium sativum L. var. sativum — 4 images
cultivated oatAvena sativa L. — 1 images
cultivated ryeSecale cereale L. — 15 images
cup plantSilphium perfoliatum L. — 16 images
curly dockRumex crispus L. ssp. crispus — 27 images
cursed buttercup, celery-leaved buttercup, cursed crowfoot, celery-leaved crowfootRanunculus sceleratus L. var. sceleratus — 7 images
cut-leaved grapefern, dissected grapefernBotrychium dissectum Sprengel — 11 images
cut-leaved mermaidweed, comb-leaved mermaidweedProserpinaca pectinata Lam. — 13 images
cut-leaved toothwort, five-parted toothwortCardamine concatenata (Michx.) Sw. — 6 images
cutleaf blackberry, evergreen blackberryRubus laciniatus Willd. — 23 images
cutleaf teaselDipsacus laciniatus L. — 19 images
cypress spurgeEuphorbia cyparissias L. — 22 images
daisyleaf moonwortBotrychium matricariifolium (Döll) A.Braun ex W.D.J.Koch — 5 images
dame's rocket, dame's violet, Damask violetHesperis matronalis L. — 24 images
dark green bulrush, dark green bulsedgeScirpus atrovirens Willd. — 4 images
dawn redwoodMetasequoia glyptostroboides Hu & W.C.Cheng — 10 images
dayflowerCommelina communis L. — 4 images
deerberryVaccinium stamineum L. — 6 images
deertongue panicgrassDichanthelium clandestinum (L.) Gould — 19 images
delicate sedge, bristle-stalk sedgeCarex leptalea Wahlenb. ssp. leptalea — 4 images
dense dodder, compact dodderCuscuta compacta Juss. ex Choisy var. compacta — 8 images
dense-flowered mulleinVerbascum densiflorum Bertol. — 5 images
dewdrop, Dalibard's dewberryRubus dalibarda L. — 15 images
ditch stonecropPenthorum sedoides L. — 15 images
ditchgrass, widgeongrassRuppia maritima L. — 21 images
dock-leaved smartweed, nodding smartweed, willowweed smartweedPersicaria lapathifolia (L.) S.F.Gray — 5 images
dog bentgrass, velvet bentgrass, brown bentgrassAgrostis canina L. — 6 images
dog chamomile, corn chamomileAnthemis arvensis L. — 9 images
dog roseRosa canina L. — 16 images
doghobble, drooping fetterbushLeucothoe fontanesiana (Steudel) Sleumer — 15 images
dollar plant, money plant, moonwort, annual honestyLunaria annua L. — 12 images
dooryard knotweed, doorweedPolygonum aviculare L. — 26 images
dotted smartweedPersicaria punctata (Ell.) Small — 24 images
downy false foxgloveAureolaria virginica (L.) Pennell — 27 images
downy goldenrodSolidago puberula Nutt. var. puberula — 20 images
downy groundcherry, strawberry tomatoPhysalis grisea (Waterfall) M.Martinez — 5 images
downy hawthorn, Quebec hawthornCrataegus submollis Sarg. — 9 images
downy panicgrassDichanthelium acuminatum ssp. columbianum (Scribn.) Freckmann & Lelong — 8 images
downy rattlesnake plantainGoodyera pubescens (Willd.) R.Br. — 18 images
downy shadbush, downy serviceberryAmelanchier arborea (Michx.f.) Fern. — 18 images
downy swamp milkweedAsclepias incarnata ssp. pulchra (Ehrh. ex Willd.) Woodson — 41 images
downy willowherb, northeastern willowherbEpilobium strictum Muhl. ex Spreng. — 5 images
downy yellow violetViola pubescens Aiton var. pubescens — 8 images
dragon's mouthArethusa bulbosa L. — 7 images
drooping brome, downy chessBromus tectorum L. — 10 images
dryland sedgeCarex siccata Dewey — 6 images
dustymiller, beach wormwoodArtemisia stelleriana Bess. — 16 images
dwarf Japanese knotweedFallopia japonica var. compacta (Hook.f.) J.P.Bailey — 5 images
dwarf St. John's-wortHypericum mutilum L. — 3 images
dwarf chestnut oakQuercus prinoides Willd. — 65 images
dwarf chestnut oak × post oakQuercus ×stelloides Palmer — 2 images
dwarf chestnut, chinquapinCastanea pumila (L.) P.Miller — 5 images
dwarf chickweed, European chickweedCerastium pumilum W.Curtis ssp. pumilum — 7 images
dwarf cinquefoilPotentilla canadensis L. — 23 images
dwarf ginsengPanax trifolius L. — 25 images
dwarf glasswortSalicornia bigelovii Torrey — 15 images
dwarf shadbush, running shadbush, running serviceberry, dwarf serviceberry, low serviceberry, low juneberryAmelanchier spicata (Lam.) K.Koch — 46 images
dwarf spikerush, small-headed spikesedgeEleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer — 7 images
dwarf upland willow, dwarf prairie willowSalix occidentalis Walter — 89 images
dyer's greenweedGenista tinctoria L. — 3 images
eared willowSalix aurita L. — 3 images
early azaleaRhododendron prinophyllum (Small) Millais — 17 images
early blue cohoshCaulophyllum giganteum (Farw.) Loconte & W.H.Blackw. — 9 images
early buttercup, early crowfootRanunculus fascicularis Muhl. ex Bigelow — 9 images
early goldenrodSolidago juncea Aiton — 20 images
early meadowrueThalictrum dioicum L. — 24 images
early saxifrageMicranthes virginiensis (Michaux) Small — 25 images
early scorpiongrass, spring forget-me-not, early forget-me-notMyosotis verna Nutt. — 10 images
early yellow rocket, early wintercressBarbarea verna (P.Mill.) Aschers. — 7 images
eastern black nightshadeSolanum ptycanthum Dun. — 18 images
eastern blue-eyed grassSisyrinchium atlanticum Bicknell — 4 images
eastern bottlebrush grassElymus hystrix L. — 16 images
eastern cottonwood, necklace poplarPopulus deltoides Bartr. ex Marsh. ssp. deltoides — 40 images
eastern dwarf mistletoeArceuthobium pusillum Peck — 3 images
eastern false helleboreVeratrum viride Aiton ssp. viride — 26 images
eastern figwort, Maryland figwortScrophularia marilandica L. — 7 images
eastern grasswortLilaeopsis chinensis (L.) Kuntze — 2 images
eastern hemlockTsuga canadensis (L.) Carr. — 53 images
eastern hophornbeamOstrya virginiana (P.Mill.) K.Koch — 42 images
eastern leatherwoodDirca palustris L. — 14 images
eastern prickly gooseberry, wild gooseberryRibes cynosbati L. — 17 images
eastern prickly pear, devil's tongueOpuntia humifusa (Raf.) Raf. — 8 images
eastern purple bladderwortUtricularia purpurea Walter — 36 images
eastern red cedarJuniperus virginiana ssp. crebra (Fern. & Griscom) A.E.Murray — 71 images
eastern star sedgeCarex radiata (Wahlenb.) Small — 9 images
eastern white oakQuercus alba L. — 76 images
eastern willowherb, purple-leaved willowherb, cinnamon willowherbEpilobium coloratum Biehler — 3 images
eastern woodland sedgeCarex blanda Dewey — 13 images
ebony spleenwortAsplenium platyneuron (L.) B.S.P. — 27 images
edging lobelia, garden lobelia, trailing lobeliaLobelia erinus L. — 6 images
ellipsoid softstem spikerushEleocharis obtusa var. ellipsoidalis Fern. — 10 images
elliptic shinleaf, large-leaved shinleaf, waxflower shinleafPyrola elliptica Nutt. — 25 images
elmleaf goldenrodSolidago ulmifolia Muhl. ex Willd. var. ulmifolia — 30 images
erect water smartweedPersicaria amphibia (L.) S. F. Gray — 2 images
evergreen candytuftIberis sempervirens L. — 4 images
faint-nerved woodland sedge, fine-nerved woodland sedgeCarex leptonervia (Fern.) Fern. — 8 images
fall dandelion, hawkbitScorzoneroides autumnalis (L.) Moensch ssp. autumnalis — 27 images
fall panicgrassPanicum dichotomiflorum Michx. var. dichotomiflorum — 38 images
fall phlox, garden phloxPhlox paniculata L. — 2 images
false Solomon's sealMaianthemum racemosum (L.) Link ssp. racemosum — 22 images
false daisyEclipta prostrata (L.) L. — 7 images
false dragonheadPhysostegia virginiana (L.) Bentham ssp. virginiana — 4 images
false hop sedgeCarex lupuliformis Sartwell ex Dewey — 2 images
false indigo bush, false indigoAmorpha fruticosa L. — 21 images
false spireaSorbaria sorbifolia (L.) A.Braun — 11 images
false waterpepper smartweed, false water pepper, mild water pepperPersicaria hydropiperoides (Michx.) Small — 28 images
fascicled panicgrassDichanthelium acuminatum ssp. fasciculatum (Torrey) Freckmann & Lelong — 19 images
feathertop, bushgrassCalamagrostis epigeios var. georgica (K.Koch) Ledeb. — 28 images
fern flatsedgeCyperus filicinus Vahl — 5 images
fernleaf false foxgloveAureolaria pedicularia (L.) Raf. var. pedicularia — 37 images
fetterbush, mountain andromedaPieris floribunda (D.Don) Benth. & Hook. — 39 images
feverfew tansyTanacetum parthenium (L.) Sch.Bip. — 7 images
fewseeded sedgeCarex oligosperma Michaux — 13 images
fibrous-rooted sedge, colonial sedgeCarex communis Bailey var. communis — 2 images
field bindweedConvolvulus arvensis L. — 4 images
field chess, field bromeBromus arvensis L. — 3 images
field dodder, prairie dodderCuscuta campestris Yuncker — 27 images
field forget-me-not, field scorpiongrassMyosotis arvensis (L.) Hill — 6 images
field garlic, crow garlicAllium vineale L. — 10 images
field horsetail, common horsetailEquisetum arvense L. — 34 images
field mint, ginger mintMentha arvensis ssp. parietariifolia (Becker) Briq. — 2 images
field pennycressThlaspi arvense L. — 35 images
field pepperweed, field cress, cow cressLepidium campestre (L.) Ait.f. — 26 images
field pussytoesAntennaria neglecta Greene — 8 images
field sowthistle, corn sowthistleSonchus arvensis L. ssp. arvensis — 8 images
field thistleCirsium discolor (Muhl. ex Willd.) Sprengel — 3 images
field woodrushLuzula campestris (L.) DC. — 6 images
fireweed, pilewortErechtites hieraciifolius (L.) Raf. ex DC. var. hieracifolius — 31 images
five-angled dodder, bushclover dodderCuscuta pentagona Engelm. — 19 images
five-leaved araliaEleutherococcus pentaphyllus (Sieb. & Zucc.) Nakai — 8 images
five-stamen chickweedCerastium semidecandrum L. — 23 images
flame azaleaRhododendron calendulaceum (Michx.) Torr. — 8 images
flameleaf sumac, winged sumacRhus copallinum var. latifolia Engler — 36 images
flat-stemmed bluegrassPoa compressa L. — 14 images
flat-stemmed panicgrassPanicum rigidulum Bosc ex Nees ssp. rigidulum — 17 images
flattened oatgrass, trail oatgrass, woodland oatgrassDanthonia compressa Austin ex Peck — 25 images
flax-leaved stiff aster, spruce asterIonactis linariifolia (L.) Greene — 35 images
fleshy hawthornCrataegus succulenta Schrader ex Link var. succulenta — 8 images
floating mannagrass, eastern floatgrassGlyceria septentrionalis A.S.Hitchc. var. septentrionalis — 13 images
floating pondweedPotamogeton natans L. — 6 images
florist's daisy, florist's chrysanthemum, hardy garden mumChrysanthemum ×morifolium Ramat. — 4 images
flowering dogwoodBenthamidia florida (L.) Spach — 50 images
flowering raspberry, thimbleberryRubus odoratus L. — 14 images
flowering woodsorrel, smooth woodsorrelOxalis florida Salisb. — 6 images
fly honeysuckleLonicera canadensis Bartram ex Marsh. — 19 images
foamflowerTiarella cordifolia L. var. cordifolia — 26 images
fool's parsleyAethusa cynapium L. — 13 images
forest goldenrod, sharp-leaved goldenrod, cutleaf goldenrod, Atlantic goldenrodSolidago arguta Aiton var. arguta — 10 images
fork-tipped needlegrass, fork-tipped threeawnAristida basiramea Engelm. ex Vasey — 8 images
forked bluecurlsTrichostema dichotomum L. — 29 images
forked campion, forking catchflySilene dichotoma Ehrh. — 9 images
forked coontailCeratophyllum echinatum A.Gray — 5 images
forked panicgrassDichanthelium dichotomum (L.) Gould ssp. dichotomum — 11 images
forked rushJuncus dichotomus Ell. — 6 images
four-leaved milkweedAsclepias quadrifolia Jacq. — 3 images
four-seed vetchVicia tetrasperma (L.) Schreber — 13 images
fowlmeadow bluegrassPoa palustris L. — 6 images
fowlmeadow grass, fowl mannagrassGlyceria striata (Lam.) A.S.Hitchc. — 12 images
fox grapeVitis labrusca L. — 48 images
foxtail amaranth, purple amaranthAmaranthus caudatus L. — 7 images
fragrant bedstraw, sweet-scented bedstrawGalium triflorum Michaux — 16 images
fragrant sumacRhus aromatica Aiton — 10 images
freeway sedgeCarex praegracilis W.Boott — 10 images
freshwater cordgrass, prairie cordgrassSpartina pectinata Link — 41 images
fringed bindweedFallopia cilinodis (Michaux) Holub — 1 images
fringed bleeding heart, eastern bleeding heart, Appalachian bleeding heart, turkey cornDicentra eximia (Ker Gawl.) Torrey — 2 images
fringed loosestrifeLysimachia ciliata L. — 14 images
fringed milkwort, flowering wintergreenPolygala paucifolia Willd. — 14 images
fringed sedge, awned sedgeCarex crinita Lam. var. crinita — 21 images
frosted hawthornCrataegus pruinosa (Wendl.f.) K.Koch var. pruinosa — 4 images
fuller's teasel, common teaselDipsacus fullonum L. — 3 images
fuzzy deutziaDeutzia scabra Thunb. — 26 images
galingale sedge, flatsedge-like sedge, false flatsedgeCarex pseudocyperus L. — 13 images
garden asparagusAsparagus officinalis L. — 16 images
garden buckwheatFagopyrum esculentum Moench — 12 images
garden burnetSanguisorba minor Scop. — 10 images
garden columbine, European columbineAquilegia vulgaris L. — 7 images
garden cosmos, Mexican asterCosmos bipinnatus Cav. — 3 images
garden cucumberCucumis sativus L. — 1 images
garden forget-me-not, wood forget-me-not, woodland forget-me-notMyosotis sylvatica Ehrh. ex Hoffm. — 11 images
garden knapweed, cornflower, bachelor's buttonCentaurea cyanus L. — 2 images
garden lady's mantleAlchemilla mollis (Buser) Rothm. — 2 images
garden lupine, Washington lupineLupinus polyphyllus Lindley var. polyphyllus — 17 images
garden peaPisum sativum L. — 1 images
garden peony, common peonyPaeonia officinalis L. — 2 images
garden petuniaPetunia axillaris (Lam.) B.S.P. — 2 images
garden red currantRibes rubrum L. — 17 images
garden strawberryFragaria ×ananasa Duchesne — 3 images
garden tomatoSolanum lycopersicon L. var. lycoperscon — 8 images
garden tulip, Didier's tulip, Gesner's tulipTulipa gesneriana L. — 19 images
garden violet, wild pansy, Johnny-jump-upViola tricolor L. — 9 images
garlic chives, Chinese chives, Chinese leekAllium tuberosum Rottler ex Spreng. non Roxb. — 7 images
garlic mustardAlliaria petiolata (Bieb.) Cavara & Grande — 23 images
giant Solomon's sealPolygonatum biflorum (Walter) Ell. — 4 images
giant bur-reed, great bur-reedSparganium eurycarpum Engelm. ex A.Gray — 10 images
giant chickweedMyosoton aquaticum (L.) Moench — 5 images
giant knotweed, Sakhalin knotweedFallopia sachalinensis (F.Schmidt) R.Decr. — 11 images
giant reedPhragmites altissimus (Benth.) Mabille — 19 images
glandular willowherb, American willowherbEpilobium ciliatum Raf. var. ciliatum — 33 images
globose watermealWolffia columbiana Karsten — 6 images
glossy buckthornFrangula alnus P.Miller — 34 images
goat's beardAruncus dioicus (Walter) Fern. — 4 images
goat's rue, rabbit peaTephrosia virginiana (L.) Pers. — 21 images
golden alexandersZizia aurea (L.) W.D.J.Koch — 14 images
golden clover, palmate hopcloverTrifolium aureum L. — 9 images
golden clubOrontium aquaticum L. — 3 images
golden flatsedge, lesser ricefield flatsedgeCyperus microiria Steudel — 10 images
golden hedgehyssop, golden pertGratiola aurea Pursh — 40 images
golden ragwort, golden groundselPackera aurea (L.) A.Löve & D.Löve — 22 images
golden rain treeKoelreuteria paniculata Laxm. — 12 images
golden saxifrage, watercarpetChrysosplenium americanum Schwein. ex Hooker — 22 images
golden weeping willow (white willow × Babylon willow)Salix ×sepulcralis Simonkai — 18 images
gooseneck loosestrifeLysimachia clethroides Duby ex DC. — 4 images
goutweed, bishop's weedAegopodium podagraria L. — 33 images
grass-leaved stitchwort, field stitchwort, common stitchwortStellaria graminea L. — 29 images
grassleaf arrowheadSagittaria graminea Michx. var. graminea — 6 images
grassleaf pondweedPotamogeton gramineus L. — 4 images
grassleaf rushJuncus marginatus Rostk. — 12 images
gray birchBetula populifolia Marsh. — 49 images
gray dogwoodSwida racemosa (Lam.) Moldenke — 24 images
gray goldenrodSolidago nemoralis Ait. ssp. nemoralis — 21 images
gray-headed prairie coneflower, gray-headed Mexican hatRatibida pinnata (Vent.) Barnh. — 10 images
great bladderwort, common bladderwortUtricularia macrorhiza Le Conte — 26 images
great blue lobeliaLobelia siphilitica L. var. siphilitica — 15 images
great butterbur, giant butterbur, Japanese sweet coltsfootPetasites japonicus (Sieb. & Zucc.) Maxim. — 21 images
great globethistle, pale globethistleEchinops sphaerocephalus L. — 8 images
great laurel, rosebayRhododendron maximum L. — 42 images
great leopard's bane, greater false leopard's baneDoronicum pardalianches L. — 18 images
great spurred violetViola selkirkii Pursh ex Goldie — 9 images
greater bittercress, wavy bittercressCardamine flexuosa With. — 44 images
greater bladder sedge, swamp sedgeCarex intumescens Rudge — 19 images
greater burdock, great burdockArctium lappa L. — 5 images
greater celandineChelidonium majus L. — 16 images
greater duckweed, common duckmealSpirodela polyrrhiza (L.) Schleiden — 7 images
greater fringed gentianGentianopsis crinita (Froel.) Y.C.Ma — 11 images
greater periwinkleVinca major L. — 9 images
greater snowdropGalanthus elwesii Hook.f. — 8 images
greater water dockRumex britannica L. — 25 images
greater water starwort, two-headed water starwort, variable water starwortCallitriche heterophylla Pursh var. heterophylla — 40 images
green amaranth, slender amaranthAmaranthus viridis L. — 7 images
green arrow arum, bog arum, tuckahoePeltandra virginica (L.) Raf. ex Schott — 28 images
green ashFraxinus pennsylvanica Marshall — 59 images
green beanPhaseolus vulgaris L. — 1 images
green foxtailSetaria viridis (L.) Beauv. — 11 images
green snowdrop, Woronow's snowdropGalanthus woronowii Losinsk. — 8 images
green woodland orchid, little clubspur bog orchidPlatanthera clavellata (Michx.) Luer — 17 images
green-flowered shinleafPyrola chlorantha Sw. — 12 images
green-fruited bur-reed, simple-stemmed bur-reed, emergent bur-reedSparganium emersum Rehmann — 14 images
green-headed coneflower, tall coneflowerRudbeckia laciniata L. var. laciniata — 5 images
greenstem forsythia, Korean forsythiaForsythia viridissima Lindl. — 9 images
ground ivy, gill-over-the-groundGlechoma hederacea L. — 21 images
hair fescue, fine-leaved sheep fescueFestuca filiformis Pourret — 9 images
hairy Solomon's sealPolygonatum pubescens (Willd.) Pursh — 29 images
hairy bedstrawGalium pilosum Aiton — 29 images
hairy bittersweet nightshade, hairy deadly nightshadeSolanum dulcamara var. villosissimum Desv. — 5 images
hairy bush honeysuckleDiervilla rivularis Gattinger — 9 images
hairy bushcloverLespedeza hirta (L.) Hornem. ssp. hirta — 13 images
hairy bushpea, Blue Ridge false lupineThermopsis villosa (Walter) Fern. & Schubert — 5 images
hairy cat's-ear, spotted cat's earHypochaeris radicata L. — 44 images
hairy chess, meadow bromeBromus commutatus Schrad. — 3 images
hairy crabgrass, large crabgrassDigitaria sanguinalis (L.) Scop. — 30 images
hairy forked whitlow-wort, hairy forked chickweedParonychia fastigiata (Raf.) Fern. var. fastigiata — 8 images
hairy pinesapHypopitys lanuginosa (Michx.) Nutt. — 18 images
hairy pinweedLechea mucronata Raf. — 59 images
hairy sand sedge, hairy shaved sedgeCarex tonsa var. rugosperma (Mackenzie) W.J.Crins — 6 images
hairy sedge, hammer sedgeCarex hirta L. — 5 images
hairy small-leaved ticktrefoilDesmodium ciliare (Muhl. ex Willd.) DC. ex Loud. — 11 images
hairy vetchVicia villosa Roth — 4 images
hairy whorled mountain mintPycnanthemum verticillatum var. pilosum (Nutt.) Cooperrider — 4 images
hairy-stemmed gooseberry, swamp gooseberryRibes hirtellum Michx. — 16 images
halberd-leaf orache, prostrate oracheAtriplex prostrata Bouchér ex DC. — 23 images
halberdleaf tearthumbPersicaria arifolia (L.) Haroldson — 18 images
hard fescueFestuca trachyphylla (Hack.) Krajina — 17 images
hard-stemmed bulrushSchoenoplectus acutus (Muhl. ex Bigel.) A.Löve & D.Löve var. acutus — 6 images
harsh sunflower, pale-leaved sunflowerHelianthus strumosus L. — 10 images
hawkweed oxtonguePicris hieracioides L. — 2 images
hawthornCrataegus sp. — 11 images
hayscented fernDennstaedtia punctilobula (Michx.) T.Moore — 59 images
heartleaf paper birch, mountain paper birchBetula cordifolia Regel — 6 images
heartleaf umbrellawort, heartleaf four-o'clockMirabilis nyctaginea (Michaux) MacMillan — 13 images
heartleaf willow, diamond willowSalix eriocephala Michaux ssp. eriocephala var. eriocephala — 59 images
heath white aster, squarrose white asterSymphyotrichum ericoides (L.) G.L.Nesom var. ericoides — 11 images
hedge maple, field mapleAcer campestre L. — 3 images
hedgehog woodrushLuzula echinata (Small) Hermann — 3 images
hemp dogbane, prairie dogbane, Indian hempApocynum cannabinum L. — 14 images
highbush blackberry, Pennsylvania blackberryRubus pensilvanicus Poiret — 6 images
highbush blueberryVaccinium corymbosum L. — 73 images
hillside blueberry, dryland blueberry, early sweet blueberryVaccinium pallidum Ait. — 57 images
hispid hedgenettle, hairy hedgenettleStachys hispida Pursh — 15 images
hispid yellowcressRorippa palustris var. hispida (Desv.) Rydb. — 34 images
hoary bittercress, hairy rockcressCardamine hirsuta L. — 42 images
hoary false alyssum, hoary alyssumBerteroa incana (L.) DC. — 15 images
hoary frostweed, hoary rockroseCrocanthemum bicknellii (Fern.) Barnh. — 30 images
hoary mock-orange, Ozark mock-orangePhiladelphus pubescens Loisel. — 4 images
hoary mountain mintPycnanthemum incanum (L.) Michx. var. incanum — 5 images
hoary willow, long-beaked willowSalix candida Fluegge ex Willd. — 19 images
hobblebush, witch-hobbleViburnum lantanoides Michx. — 25 images
hollow-stemmed Joe-Pye-weedEutrochium fistulosum (Barratt) E.E.Lamont — 30 images
honey locustGleditsia triacanthos L. — 19 images
hook-spurred violet, sand violetViola adunca J.E.Sm. var. adunca — 15 images
hooked buttercup, hooked crowfootRanunculus recurvatus Poiret var. recurvatus — 31 images
hop sedgeCarex lupulina Muhl. ex Willd. — 21 images
horned bladderwort, naked bladderwortUtricularia cornuta Michx. — 38 images
horned nightshade, buffalobur nightshade, buffaloburSolanum rostratum Dunal — 11 images
hornwort, coontailCeratophyllum demersum L. — 15 images
horse chestnutAesculus hippocastanum L. — 18 images
humped bladderwort, creeping bladderwortUtricularia gibba L. — 19 images
hybrid bittersweetCelastrus orbiculatus × C. scandens — 5 images
hybrid bluebellHyacinthoides ×variabilis P.D.Sell — 12 images
hybrid blueberryVaccinium ×atlanticum Bicknell pro sp. — 13 images
hybrid cattailTypha ×glauca Godron — 11 images
hybrid dogbaneApocynum ×floribundum Greene — 5 images
hybrid flowering dogwoodBenthamidia florida × B. japonica — 3 images
hybrid honeysuckle, whitebell honeysuckleLonicera ×bella Zabel — 35 images
hybrid primrosePrimula ×polyantha Mill. — 4 images
hybrid rhododendronRhododendron maximum × R. catawbiense — 3 images
hybrid smoketreeCotinus ×'Grace' — 11 images
hybrid sundewDrosera ×eloisiana T.S.Bailey — 14 images
hybrid viburnum (twistwood × leatherleaf)Viburnum ×rhytidophylloides Sur. — 7 images
hybrid willowSalix pentandra × S. ×fragilis — 25 images
hyssop-leaved bonesetEupatorium hyssopifolium L. — 23 images
hyssop-leaved hedgenettle, rough hedgenettleStachys hyssopifolia Michx. — 39 images
incomparable daffodilNarcissus ×incomparabilis Mill. — 4 images
inkberry, inkberry hollyIlex glabra (L.) A.Gray — 34 images
intermediate shadbush, intermediate serviceberryAmelanchier ×intermedia Spach — 61 images
intermediate wood fernDryopteris intermedia (Muhl. ex Willd.) A.Gray — 44 images
interrupted fernOsmunda claytoniana L. — 38 images
jagged chickweedHolosteum umbellatum L. ssp. umbellatum — 20 images
jetbead, white kerriaRhodotypos scandens (Thunb.) Makino — 25 images
jeweled wakerobinTrillium simile Gleason — 5 images
jointed rush, jointedleaf rushJuncus articulatus L. — 7 images
jumpseed, Virginia smartweedPersicaria virginiana (L.) Gaertner — 24 images
katsura treeCercidiphyllum japonicum Zieb. & Zucc. — 26 images
keeled garlic, witch's garlicAllium carinatum L. — 8 images
kidney-leaf violetViola renifolia A.Gray — 12 images
kidney-leaved buttercup, small-flowered crowfootRanunculus abortivus L. — 29 images
king-devil, meadow hawkweedHieracium caespitosum Dumort. — 9 images
knotroot foxtail, bristly foxtailSetaria parviflora (Poiret) Kerguélen — 4 images
kousa dogwood, big-bracted dogwoodBenthamidia japonica (Sieb. & Zucc.) H.Hara — 9 images
kudzuPueraria montana var. lobata (Willd.) Maesen & S.Almeida — 12 images
lace lovegrass, lace grassEragrostis capillaris (L.) Nees — 4 images
lady's thumb smartweed, spotted lady's thumbPersicaria maculosa S.F.Gray — 28 images
lance-leaved figwort, American figwortScrophularia lanceolata Pursh — 20 images
lanceleaf tickseedCoreopsis lanceolata L. — 32 images
large floating bladderwort, swollen bladderwort, inflated bladderwortUtricularia inflata Walter — 33 images
large purple fringed orchid, greater purple fringed bog orchidPlatanthera grandiflora (Bigelow) Lindl. — 6 images
large pussy willowSalix discolor Muhl. — 76 images
large sweetgrass, sweet vernalgrassAnthoxanthum odoratum L. — 21 images
large toothwort, three-leaved toothwortCardamine maxima (Nutt.) Wood — 9 images
large whorled pogoniaIsotria verticillata (Muhl. ex Willd.) Raf. — 11 images
large-calyx goosefootChenopodium berlandieri var. macrocalycium (Aellen) Cronq. — 35 images
large-flowered merrybells, large-flowered bellwortUvularia grandiflora G.E.Smith — 7 images
large-leaved Dutchman's pipeIsotrema macrophyllum (Lam.) C.F.Reed — 3 images
large-leaved asterEurybia macrophylla (L.) Cass. — 22 images
largeflower heartleafHexastylis shuttleworthii (Britten & Baker f.) Small — 22 images
largepod pinweedLechea intermedia Leggett ex Britt. var. intermedia — 28 images
larger Canadian St. John's-wortHypericum majus (A.Gray) Britton — 3 images
larger water plantain, northern water plantainAlisma triviale Pursh — 8 images
largeseed hawthornCrataegus macrosperma Ashe — 18 images
largethorn hawthornCrataegus macracantha Lodd. ex Loud. var. macracantha — 3 images
late blue cohoshCaulophyllum thalictroides (L.) Michx. — 14 images
lavender bladderwort, northeastern bladderwort, resupinate bladderwortUtricularia resupinata B.D.Greene ex Bigelow — 23 images
lax soft rushJuncus effusus ssp. solutus (Fern. & Wieg.) Hämet-Ahti — 13 images
leafy spurgeEuphorbia esula L. — 13 images
leatherleaf viburnumViburnum rhytidophyllum Hemsl. — 2 images
leatherleaf, cassandraChamaedaphne calyculata (L.) Moench — 54 images
lemon balmMelissa officinalis L. — 23 images
lesser Canadian St. John's-wortHypericum canadense L. — 14 images
lesser bladder sedge, inflated sedgeCarex vesicaria L. — 7 images
lesser burdock, common burdockArctium minus Bernh. — 11 images
lesser celandine, pilewort, fig crowfootRanunculus ficaria L. — 24 images
lesser hopclover, little hopcloverTrifolium dubium Sibth. — 10 images
lesser quickweed, gallant soldiersGalinsoga parviflora Cav. — 2 images
lesser snakeroot, aromatic snakerootAgeratina aromatica (L.) Spach — 6 images
lesser swinecressLepidium didymum L. — 16 images
lesser water plantain, southern water plantainAlisma subcordatum Raf. — 24 images
lesser waterwortElatine minima (Nutt.) Fisch. & C.A.Mey. — 37 images
licorice goldenrod, sweet goldenrodSolidago odora Aiton ssp. odora — 38 images
lily-of-the-valleyConvallaria majalis L. — 34 images
lilyturfLiriope graminifolia (L.) Baker — 6 images
limestone meadow sedgeCarex granularis Muhl. ex Willd. — 3 images
linden viburnum, linden arrowwoodViburnum dilatatum Thunb. — 21 images
linear-leaved panicgrassDichanthelium linearifolium (Scribn.) Gould — 11 images
lion's foot, lion's foot rattlesnake rootNabalus serpentarius (Pursh) Hooker — 11 images
little bluestemSchizachyrium scoparium (Michx.) Nash var. scoparium — 25 images
little bluetHoustonia caerulea L. — 32 images
little brown jugHexastylis arifolia (Michx.) Small — 7 images
little evening primrose, little sundropsOenothera perennis L. — 11 images
little floating heartNymphoides cordata (Ell.) Fern. — 26 images
little ladies' tressesSpiranthes tuberosa Raf. — 10 images
little merrybells, sessile-leaved merrybells, sessile-leaved bellwortUvularia sessilifolia L. — 47 images
little ricegrass, short-awned mountain ricegrassPiptatherum pungens (Torrey ex Spreng.) Dorn — 21 images
little sweet BetsyTrillium cuneatum Raf. — 4 images
little yellow rattleRhinanthus minor L. ssp. minor — 12 images
live-foreverHylotelephium telephium (L.) H.Ohba ssp. telephium — 15 images
livid amaranthAmaranthus blitum ssp. emarginatus (Moq. ex Uline & Bray) Carretero — 7 images
long-beaked Pennsylvania sedge, Blue Ridge sedgeCarex lucorum Willd. ex Link ssp. lucorum — 16 images
long-beaked baldsedge, long-beaked beaksedgeRhynchospora scirpoides (Torrey) A.Gray — 56 images
long-leaved bluetHoustonia longifolia Gaertn. — 17 images
long-leaved bushcloverLespedeza ×longifolia DC. — 3 images
long-leaved groundcherryPhysalis longifolia var. subglabrata (Mackenzie & Bush) Cronq. — 15 images
long-leaved pondweedPotamogeton nodosus Poiret — 4 images
long-leaved stitchwort, long-leaved starwortStellaria longifolia Muhl. ex Willd. var. longifolia — 6 images
long-spiked bulrush, New England tuber bulrushBolboschoenus novae-angliae (Britton) S.G.Smith — 6 images
long-spurred violetViola rostrata Pursh — 14 images
long-stalked aster, bushy aster, rice-button asterSymphyotrichum dumosum (L.) G.L.Nesom — 15 images
long-stalked monkeyflower, square-stemmed monkeyflower, blue monkeyflower, Allegheny monkeyflowerMimulus ringens L. — 17 images
long-stalked sedgeCarex pedunculata Muhl. ex Willd. ssp. pedunculata — 7 images
long-styled sweet cicely, aniserootOsmorhiza longistylis (Torrey) DC. — 20 images
long-tailed wild ginger, western wild gingerAsarum caudatum Lindl. — 6 images
longbranch frostweed, Canada frostweedCrocanthemum canadense (L.) Britton — 52 images
loosely flowered woodland sedge, broad loosely flowered sedgeCarex laxiflora Lam. — 27 images
lopsided rushJuncus secundus Beauv. ex Poiret — 5 images
low cudweed, brown cudweedGnaphalium uliginosum L. — 9 images
low frostweed, low rockroseCrocanthemum propinquum (Bicknell) Bicknell — 32 images
low hairy groundcherryPhysalis pubescens var. integrifolia (Dunal) Waterfall — 11 images
lowbush blueberryVaccinium angustifolium Ait. — 35 images
lowly watermilfoilMyriophyllum humile (Raf.) Morong — 47 images
mad-dog skullcap, blue skullcapScutellaria lateriflora L. — 14 images
mahaleb cherryPrunus mahaleb L. — 4 images
maiden pinkDianthus deltoides L. — 4 images
maidenhair spleenwortAsplenium trichomanes L. — 7 images
maleberryLyonia ligustrina (L.) DC. var. ligustrina — 62 images
many-flowered marsh pennywort, pondshore pennywort, water pennywortHydrocotyle umbellata L. — 27 images
many-spiked flatsedge, Texas flatsedgeCyperus polystachyos Rottb. — 7 images
mapleleaf goosefoot, giant-seeded goosefootChenopodium simplex (Torrey) Raf. — 7 images
mapleleaf viburnumViburnum acerifolium L. — 24 images
marginal wood fernDryopteris marginalis (L.) A.Gray — 50 images
marijuana, hempCannabis sativa L. — 2 images
maritime marsh elder, bigleaf marsh elder, saltmarsh elder, hightide bushIva frutescens L. — 23 images
marsh bentgrass, carpet bentgrass, creeping bentgrass, creeping bent, spreading bentAgrostis stolonifera L. — 4 images
marsh blue violetViola cucullata Aiton — 19 images
marsh cinquefoilComarum palustre L. — 12 images
marsh marigoldCaltha palustris L. — 16 images
marsh mermaidweed, common mermaidweedProserpinaca palustris L. — 16 images
marsh rush, Canada rushJuncus canadensis J.Gay ex Laharpe — 32 images
marsh scullcap, common scullcapScutellaria galericulata L. — 12 images
marsh sedge, lakeside sedgeCarex lacustris Willd. — 14 images
marsh seedbox, water purslaneLudwigia palustris (L.) Elliott — 26 images
marsh speedwell, narrow-leaved speedwellVeronica scutellata L. — 6 images
marsh spikerush, common spikesedgeEleocharis palustris (L.) Roemer & Schultes — 20 images
marsh willowherbEpilobium palustre L. — 3 images
matted pearlwort, birdseye pearlwortSagina procumbens L. — 12 images
mayapple, wild mandrakePodophyllum peltatum L. — 14 images
meadow bulrush, mosquito bulrushScirpus hattorianus Makino — 12 images
meadow cranesbill, meadow geraniumGeranium pratense L. — 2 images
meadow evening primrose, hairy sundropsOenothera pilosella Raf. ssp. pilosella — 2 images
meadow fescue, meadow ryegrassSchedonorus pratensis (Hudson) Beauv. — 5 images
meadow foxtailAlopecurus pratensis L. — 9 images
meadow spikemossSelaginella apoda (L.) Spring — 9 images
medicinal sageSalvia officinalis L. — 2 images
memorial roseRosa luciae Franch. & Rochebr. ex Crépin — 20 images
milk parsleyPeucedanum palustre (L.) Moensch — 11 images
millet sedge, grass-like sedgeCarex panicea L. — 11 images
mockernut hickoryCarya tomentosa (Lam. ex Poiret) Nutt. — 27 images
mosquito fernAzolla caroliniana Willd. — 13 images
moss phloxPhlox subulata L. ssp. subulata — 5 images
moss stonecrop, goldmoss stonecropSedum acre L. — 5 images
moth mulleinVerbascum blattaria L. — 18 images
motherwortLeonurus cardiaca L. — 23 images
mountain cranesbill, Robert's geranium, herb-RobertGeranium robertianum L. — 23 images
mountain fetterbushEubotrys recurva (Buckley) Britton — 15 images
mountain fleece, red bistortBistorta amplexicaulis (D.Don) Greene — 10 images
mountain knapweedCentaurea montana L. — 2 images
mountain laurelKalmia latifolia L. — 63 images
mountain mapleAcer spicatum Lam. — 16 images
mountain woodsorrelOxalis montana Raf. — 12 images
mouse-ear chickweedCerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet — 40 images
mouse-ear cressArabidopsis thaliana (L.) Heynh. — 51 images
mouse-ear hawkweedHieracium pilosella L. — 8 images
mud sedgeCarex limosa L. — 5 images
mugo pine, Swiss mountain pinePinus mugo Turra — 3 images
mugwort, European common wormwoodArtemisia vulgaris L. — 26 images
mullein lychnis, mullein pinkLychnis coronaria (L.) Murray — 11 images
multiflora rose hybridRosa chinensis × R. multiflora (Polyantha Group) — 17 images
multiflora rose, rambler roseRosa multiflora Thunb. ex Murray — 39 images
musk mallowMalva moschata L. — 9 images
musk willow, Persian willowSalix aegyptiaca L. — 15 images
naked ticktrefoil, naked-flower ticktrefoilHylodesmum nudiflorum (L.) H.Ohashi & R.R.Mill — 7 images
nannyberry, sweet viburnumViburnum lentago L. — 41 images
narrow beech fern, northern beech fernPhegopteris connectilis (Michx.) Watt — 19 images
narrow-fruited beaksedge, inundated hornsedgeRhynchospora inundata (Oakes) Fern. — 15 images
narrow-leaved blue-eyed grass, stout blue-eyed grassSisyrinchium angustifolium P.Miller — 27 images
narrow-leaved Kentucky bluegrass, narrow-leaved June grassPoa pratensis ssp. angustifolia (L.) Arcang. — 8 images
narrow-leaved bushcloverLespedeza angustifolia (Pursh) Ell. — 9 images
narrow-leaved cattailTypha angustifolia L. — 16 images
narrow-leaved cultivar of glossy buckthornFrangula alnus 'Asplenifolia' — 4 images
narrow-leaved loosestrifeLysimachia hybrida Michaux — 11 images
narrow-leaved pinweed, slender pinweedLechea tenuifolia Michx. — 18 images
narrow-leaved plantain, English plantain, ribgrass plantainPlantago lanceolata L. — 22 images
narrow-leaved springbeautyClaytonia virginica L. — 16 images
narrow-leaved vetchVicia sativa ssp. nigra (L.) Ehrh. — 7 images
narrow-leaved vetchling, narrow-leaved everlasting pea, flat peaLathyrus sylvestris L. — 13 images
narrow-leaved white-topped asterSericocarpus linifolius (L.) B.S.P. — 14 images
narrow-leaved willowherbEpilobium leptophyllum Raf. — 4 images
narrowleaf bittercress, bushy rockcressCardamine impatiens L. — 16 images
narrowleaf plantain lilyHosta lancifolia Tratt. — 3 images
needle spikerush, needle spikesedgeEleocharis acicularis (L.) Roemer & Schultes — 37 images
netted chain fernWoodwardia areolata (L.) T.Moore — 39 images
nimblewill muhly, nimblewillMuhlenbergia schreberi J.F.Gmelin — 6 images
ninebarkPhysocarpus opulifolius (L.) Maxim. — 3 images
nodding bur marigold, nodding beggarticksBidens cernua L. — 32 images
nodding ladies' tressesSpiranthes cernua (L.) L.C.Rich. — 20 images
nodding thistle, nodding plumeless thistle, musk thistleCarduus nutans L. — 28 images
nodding trillium, nodding wakerobinTrillium cernuum L. var. cernuum — 18 images
north wind bog orchid, northern green orchidPlatanthera aquilonis Sheviak — 3 images
northern St. John's-wortHypericum boreale (Britt.) Bickn. — 11 images
northern St. John's-wort submersed formHypericum boreale f. callitrichoides Fassett — 9 images
northern arrowwoodViburnum dentatum var. lucidum Ait. — 32 images
northern awned sedge, nodding sedgeCarex gynandra Schwein. — 8 images
northern bladderwort, flat-leaved bladderwortUtricularia intermedia Hayne — 31 images
northern blueflagIris versicolor L. — 43 images
northern bog clubmossLycopodiella inundata (L.) Holub — 12 images
northern bush honeysuckleDiervilla lonicera P.Miller — 20 images
northern catalpa, cigar treeCatalpa speciosa (Warder) Warder ex Engelm. — 8 images
northern clubmoss, round-branched groundpineDendrolycopodium dendroideum (Michx.) A.Haines — 5 images
northern coastal violet, Britton's violetViola brittoniana Pollard — 9 images
northern cross-leaved milkwortPolygala cruciata ssp. aquilonia (Fern. & Schub.) A.Haines — 27 images
northern dewberryRubus flagellaris Willd. — 32 images
northern fimbry, autumn fimbry, slender fimbryFimbristylis autumnalis (L.) Roemer & Schultes — 24 images
northern horsebalm, stonerootCollinsonia canadensis L. — 4 images
northern ladyfernAthyrium angustum (Willd.) C.Presl — 45 images
northern long sedge, long-culmed sedgeCarex folliculata L. — 21 images
northern long-awned woodgrassBrachyelytrum aristosum (Michx.) Trel. — 15 images
northern maidenhair fernAdiantum pedatum L. — 13 images
northern oak fernGymnocarpium dryopteris (L.) Newman — 5 images
northern prickly ash, common prickly ashZanthoxylum americanum P.Miller — 13 images
northern prickly roseRosa acicularis ssp. sayi (Schwein.) W.H.Lewis — 10 images
northern red oakQuercus rubra L. — 61 images
northern slender ladies' tressesSpiranthes lacera (Raf.) Raf. var. lacera — 5 images
northern snailseed pondweedPotamogeton spirillus Tuckerman — 4 images
northern spicebushLindera benzoin (L.) Blume — 64 images
northern stalked sedge, Rudge's stalked sedgeCarex debilis var. rudgei L.H.Bailey — 9 images
northern waterweed, common waterweedElodea canadensis Michx. — 11 images
northern wild sennaSenna hebecarpa (Fern.) Irwin & Barneby — 33 images
northern wood sedge, drooping woodland sedgeCarex arctata Boott ex Hooker — 3 images
northern yellow-eyed grassXyris montana Ries — 8 images
oakleaf goosefootChenopodium glaucum L. ssp. glaucum — 3 images
oakleaf hydrangeaHydrangea quercifolia W.Bartram — 3 images
oblique-leaf silky dogwood, pale silky dogwoodSwida amomum var. schuetzeana (C.A.Mey.) A.Haines — 25 images
olive spikerush, yellow spikesedgeEleocharis flavescens var. olivacea (Torrey) Gleason — 29 images
olive willow, rosemary willowSalix elaeagnos Scop. — 3 images
one-flowered cancer-root, ghost pipeOrobanche uniflora L. — 22 images
one-row watercress, narrow-fruited watercressNasturtium microphyllum Boenn. ex Reichenb. — 6 images
one-seeded bur cucumberSicyos angulatus L. — 14 images
open-field sedgeCarex conoidea Schkuhr ex Willd. — 5 images
orange daylilyHemerocallis fulva (L.) L. — 30 images
orange hawkweedHieracium aurantiacum L. — 10 images
orange jewelweed, common jewelweed, spotted touch-me-notImpatiens capensis Meerb. — 28 images
orange-fruited horse gentian, early horse gentian, wild coffeeTriosteum aurantiacum Bicknell var. aurantiacum — 21 images
orange-fruited spikerush, elliptic spikesedgeEleocharis elliptica Kunth var. elliptica — 21 images
orangegrass St. John's-wort, orange grass, pineweedHypericum gentianoides (L.) B.S.P. — 25 images
orchard apple, common appleMalus pumila P.Miller — 10 images
orchard grassDactylis glomerata L. — 7 images
oregano, sweet marjoramOriganum vulgare L. — 3 images
osage orangeMaclura pomifera (Raf.) Schneid. — 23 images
oval-headed sedgeCarex cephalophora Muhl. ex Willd. — 16 images
oval-seeded goosefoot, glaucous pigweedChenopodium strictum ssp. glaucophyllum (Aellen) Aellen & Just. — 4 images
ovate-leaf violetViola sagittata var. ovata (Nutt.) Torrey & A.Gray — 58 images
overlooked shadbush, overlooked serviceberryAmelanchier ×neglecta Eggleston ex G.N.Jones — 4 images
oxeye daisyLeucanthemum vulgare Lam. — 28 images
pagoda dogwood, alternate-leaved dogwoodSwida alternifolia (L.f.) Small — 27 images
painted trillium, painted wakerobinTrillium undulatum Willd. — 15 images
pale St. John's-wortHypericum ellipticum Hooker — 2 images
pale coralroot, early coralrootCorallorhiza trifida Chatelain — 4 images
pale duckweed, Valdivia duckweedLemna valdiviana Phil. — 4 images
pale goat's beardTragopogon dubius Scop. — 22 images
pale mannagrass, Torrey's mannagrassTorreyochloa pallida (Torrey) Church var. pallida — 11 images
pale purple coneflower, prairie coneflowerEchinacea pallida (Nutt.) Nutt. — 2 images
pale sedgeCarex pallescens L. — 18 images
pale spiked lobeliaLobelia spicata Lam. var. spicata — 1 images
pale swallowwortCynanchum rossicum (Kleopow) Borhidi — 14 images
palmate-leaved violet, three-lobed violetViola palmata L. — 12 images
panicled screwstemBartonia paniculata (Michx.) Muhl. ssp. paniculata — 6 images
panicled ticktrefoilDesmodium paniculatum (L.) DC. — 11 images
paper birchBetula papyrifera Marsh. — 46 images
paper birch × gray birchBetula papyrifera × B. populifolia — 15 images
parasol sedge, short-beaked sand sedgeCarex umbellata Schkuhr ex Willd. non Fern. — 8 images
partridgeberryMitchella repens L. — 21 images
pasture thistleCirsium pumilum (Nutt.) Sprengel var. pumilum — 17 images
path rush, yard rushJuncus tenuis Willd. — 20 images
peachPrunus persica (L.) Batsch — 28 images
peach-leaved bellflowerCampanula persicifolia L. — 6 images
pearly everlastingAnaphalis margaritacea (L.) Benth. & Hook.f. — 15 images
peegee hydrangeaHydrangea paniculata Sieb. — 6 images
peppermintMentha ×piperita L. — 7 images
perennial blue flaxLinum perenne L. — 9 images
perennial glasswortSalicornia ambigua Michx. — 46 images
perennial knawelScleranthus perennis L. — 5 images
perennial pea, broad-leaved everlasting pea, broad-leaved sweet peaLathyrus latifolius L. — 2 images
perennial ragweed, western ragweedAmbrosia psilostachya DC. — 2 images
perennial ryegrassLolium perenne L. — 28 images
perennial saltmarsh aster, large-flowered saltmarsh asterSymphyotrichum tenuifolium (L.) G.L.Nesom var. tenuifolium — 31 images
perplexing ticktrefoil, puzzling ticktrefoil, Dillen's ticktrefoilDesmodium perplexum Schubert — 3 images
pickerelweedPontederia cordata L. — 41 images
pignut hickoryCarya glabra (P.Miller) Sweet — 30 images
pigweed, redroot amaranthAmaranthus retroflexus L. — 2 images
pin cherry, fire cherryPrunus pensylvanica L.f. var. pensylvanica — 38 images
pin oakQuercus palustris Muenchh. — 31 images
pinebarren golden heatherHudsonia ericoides L. — 45 images
pinebarrens bracken fernPteridium aquilinum var. pseudocaudatum (Clute) A.Heller — 5 images
pink azaleaRhododendron periclymenoides (Michx.) Shinners — 8 images
pink cuckoo bittercress, pink cuckoo flowerCardamine pratensis L. — 22 images
pink lady's slipperCypripedium acaule Aiton — 17 images
pink multiflora roseRosa multiflora var. cathayensis Rehder & E.H.Wilson — 13 images
pink shinleafPyrola asarifolia Michx. ssp. asarifolia — 2 images
pink tickseedCoreopsis rosea Nutt. — 41 images
pinnate hopcloverTrifolium campestre Schreber — 6 images
pipsissewaChimaphila umbellata ssp. cisatlantica (Blake) Hultén — 9 images
pitch pinePinus rigida P.Miller — 132 images
plantain-leaved pussytoesAntennaria plantaginifolia (L.) Richardson — 19 images
plantain-leaved sedgeCarex plantaginea Lam. — 7 images
plum-leaved crabappleMalus prunifolia (Willd.) Borkh. — 7 images
podgrassScheuchzeria palustris L. — 21 images
poet's daffodilNarcissus poeticus L. — 4 images
pointed broom sedgeCarex scoparia Schkuhr ex Willd. var. scoparia — 19 images
poison hemlockConium maculatum L. — 20 images
poison ivyToxicodendron radicans (L.) Kuntze — 56 images
poison sumacToxicodendron vernix (L.) Kuntze — 31 images
pond water starwort, common European water starwortCallitriche stagnalis Scop. — 36 images
pondshore arrowhead, terete arrowheadSagittaria teres S.Watson — 60 images
pondshore dodder, hazel dodderCuscuta coryli Engelm. — 21 images
pondshore flatsedge, toothed flatsedgeCyperus dentatus Torrey — 27 images
pondshore muhly, bog muhlyMuhlenbergia uniflora (Muhl.) Fern. — 27 images
pondshore nutsedge, netted nutsedgeScleria reticularis Michx. — 39 images
pondshore panicgrassDichanthelium acuminatum ssp. implicatum (Scribn.) Freckmann & Lelong — 8 images
pondshore rush, brown-fruited rushJuncus pelocarpus E.Meyer — 30 images
pondshore smartweedPersicaria puritanorum (Fern.) Soják — 18 images
pondshore water horehound, sessile-leaved water horehound, clasping water horehoundLycopus amplectens Raf. — 33 images
post oakQuercus stellata Wangenh. — 12 images
pot marigoldCalendula officinalis L. — 1 images
poverty dropseed, poverty grassSporobolus vaginiflorus (Torrey ex A.Gray) Wood var. vaginiflorus — 12 images
poverty grass, churchmouse threeawnAristida dichotoma Michx. var. dichotoma — 29 images
poverty oatgrassDanthonia spicata (L.) Beauv. ex Roemer & J.A.Schultes — 10 images
prairie ironweedVernonia fasciculata Michx. — 18 images
prairie needlegrass, oldfield threeawnAristida oligantha Michx. — 5 images
prairie pepperweedLepidium densiflorum Schrader var. densiflorum — 2 images
prairie willow, upland willowSalix humilis Marsh. — 86 images
prickly comfreySymphytum asperum Lepechin — 4 images
prickly lettuceLactuca serriola L. — 32 images
prickly saltwort, prickly Russian thistle, windwitchSalsola tragus L. — 2 images
prickly saltwort, seabeach saltwortSalsola kali L. ssp. kali — 30 images
prickly sedge, star sedgeCarex echinata Murray ssp. echinata — 3 images
primrose-leaf violetViola primulifolia L. — 15 images
prince's feather amaranthAmaranthus hypochondriacus L. — 2 images
princess tree, empress tree, foxglove treePaulownia tomentosa (Thunb.) Sieb. & Zucc. ex Steudel — 10 images
princess-pine, groundpine, tree clubmossDendrolycopodium obscurum (L.) A.Haines — 23 images
produced loosestrifeLysimachia ×producta (A.Gray) Fern. — 6 images
prostrate amaranth, mat amaranth, matweed, prostrate pigweed, procumbent pigweedAmaranthus blitoides S.Watson — 9 images
prostrate or creeping juniperJuniperus horizontalis Moench — 11 images
prostrate ticktrefoil, round-leaved trailing ticktrefoilDesmodium rotundifolium DC. — 10 images
prostrate vervainVerbena bracteata Lag. & Rodr. — 12 images
pumpkinCucurbita pepo L. — 1 images
purple avens, water avensGeum rivale L. — 8 images
purple bergamot, purple beebalmMonarda media Willd. — 2 images
purple boxelderAcer negundo var. violaceum (Kirsch.) Jaeg. — 23 images
purple chokeberryAronia floribunda (Lindl.) Spach — 52 images
purple coneflowerEchinacea purpurea (L.) Moench — 10 images
purple corydalisCorydalis solida (L.) Clairv. — 3 images
purple crownvetchSecurigera varia (L.) Lassen — 9 images
purple deadnettle, red deadnettle, red henbitLamium purpureum L. var. purpureum — 22 images
purple false foxglove, purple gerardiaAgalinis purpurea (L.) Pennell — 33 images
purple loosestrifeLythrum salicaria L. — 39 images
purple medick, lucerne, blue alfalfaMedicago sativa L. — 5 images
purple milkweedAsclepias purpurascens L. — 5 images
purple milkwort, common milkwort, blood milkwortPolygala sanguinea L. — 17 images
purple morning glory, common morning gloryIpomoea purpurea (L.) Roth — 9 images
purple pitcherplantSarracenia purpurea L. — 38 images
purple sandgrassTriplasis purpurea (Walter) Chapman var. purpurea — 23 images
purple-stemmed beggarticks, swamp beggarticksBidens connata Muhl. ex Willd. — 15 images
purpleleaf sand cherryPrunus ×cistena (N.E.Hansen) Koehne — 1 images
purplestem angelica, great angelica, American angelica, alexandersAngelica atropurpurea L. — 4 images
purslane speedwellVeronica peregrina L. ssp. peregrina — 7 images
quagmire yellow-eyed grass, Small's yellow-eyed grassXyris smalliana Nash — 7 images
quillwort (either E. engelmannii or E. ×foveolata)Isoetes sp. — 10 images
rabbitfoot cloverTrifolium arvense L. — 17 images
racemed milkwort, bitter milkwortPolygala polygama Walter — 27 images
ragged fringed orchid, green fringed bog orchidPlatanthera lacera (Michx.) G.Don — 9 images
ragged robin lychnis, ragged robinLychnis flos-cuculi L. ssp. flos-cuculi — 9 images
rampion bellflower, creeping bellflowerCampanula rapunculoides L. — 13 images
rape, field mustard, turnipBrassica rapa L. — 7 images
rattail annual fescue, mousetail annual fescueVulpia myuros (L.) K.C.Gmelin — 11 images
rattlesnake fernBotrychium virginianum (L.) Sw. — 13 images
rattlesnake hawkweed, rattlesnake weedHieracium venosum L. — 13 images
rattlesnake mannagrass, rattlesnake grassGlyceria canadensis (Michaux) Trin. — 13 images
rayless chamomile, pineapple weedMatricaria discoidea DC. — 3 images
red baneberryActaea rubra (Aiton) Willd. — 25 images
red barrenwort, red bishop's hatEpimedium ×rubrum C.Morren — 6 images
red campionSilene dioica (L.) Clairville — 1 images
red chokeberryAronia arbutifolia (L.) Ell. — 3 images
red cloverTrifolium pratense L. — 11 images
red elderberry, red-berried elderberrySambucus racemosa L. — 11 images
red false bartsiaOdontites vernus ssp. serotinus (Dumort.) Corb. — 9 images
red mapleAcer rubrum L. — 117 images
red osier, red-stemmed dogwoodSwida sericea (L.) Holub — 7 images
red pinePinus resinosa Ait. — 23 images
red sprucePicea rubens Sarg. — 19 images
red trillium, purple trillium, red wakerobinTrillium erectum L. — 30 images
red-seeded dandelionTaraxacum laevigatum (Willd.) DC. — 7 images
red-stemmed bulrushScirpus microcarpus J.Presl & C.Presl — 2 images
redbudCercis canadensis L. var. canadensis — 15 images
redleaf roseRosa glauca Pourret — 9 images
redroot flatsedgeCyperus erythrorhizos Muhl. — 8 images
redstem storksbill, redstem filaree, alfileriaErodium cicutarium (L.) L'Hér. ex Aiton ssp. cicutarium — 6 images
redveined dock, bitter dockRumex obtusifolius L. ssp. obtusifolius — 28 images
reed canarygrassPhalaris arundinacea L. — 41 images
reflexed sedgeCarex retroflexa Muhl. ex Willd. — 7 images
rhodoraRhododendron canadense (L.) Torrey — 19 images
rhubarbRheum rhabarbarum L. — 4 images
ribbed sedgeCarex virescens Muhl. ex Willd. — 18 images
rice cutgrassLeersia oryzoides (L.) Sw. — 42 images
ridged goosefoot, pygmy goosefootDysphania pumilio (R.Br.) Mosyakin & Clemants — 9 images
river arrowheadSagittaria subulata (L.) Buch. — 3 images
river birchBetula nigra L. — 35 images
river horsetailEquisetum fluviatile L. — 23 images
riverbank grape, frost grapeVitis riparia Michaux — 5 images
roadside false alyssum, flatpod alyssumBerteroa mutabilis (Vent.) DC. — 1 images
roadside pepperweed, narrow-leaved peppergrass, stinking peppergrass, narrowleaf pepperwortLepidium ruderale L. — 4 images
robin's plantain fleabaneErigeron pulchellus Michaux var. pulchellus — 11 images
rock harlequin, pale corydalis, pink corydalisCapnoides sempervirens (L.) Borkh. — 28 images
rock muhly, awnless woodland muhlyMuhlenbergia sobolifera (Muhl. ex Willd.) Trin. — 9 images
rock spikemossSelaginella rupestris (L.) Spring — 21 images
rockcap fern, common rock polypodyPolypodium virginianum L. — 39 images
rose pogoniaPogonia ophioglossoides (L.) Ker Gawler — 17 images
rose-gold pussy willowSalix gracilistyla Miq. — 6 images
rosering blanket-flower, annual gaillardiaGaillardia pulchella Foug. — 3 images
rosy sedge, big star sedgeCarex rosea Schkuhr ex Willd. — 11 images
rough asterEurybia radula (Aiton) G.L.Nesom — 13 images
rough avens, floodplain avens, herb-bennet avensGeum laciniatum Murray — 7 images
rough bedstrawGalium asprellum Michx. — 6 images
rough bentgrass, winter bent, hairgrass, northern ticklegrassAgrostis scabra Willd. — 17 images
rough boneset, verbena bonesetEupatorium pilosum Walter — 36 images
rough buttonweedDiodia teres Walter var. teres — 18 images
rough cottongrass, few-nerved cottonsedgeEriophorum tenellum Nutt. — 2 images
rough fleabane, lesser daisy fleabaneErigeron strigosus Muhl. ex Willd. var. strigosus — 14 images
rough hawkweedHieracium scabrum Michx. — 28 images
rough oxeye, rough false sunflowerHeliopsis helianthoides var. scabra (Dunal) Fern. — 18 images
rough-leaved goldenrodSolidago patula Muhl. ex Willd. ssp. patula — 4 images
rough-sheathed bluegrass, rough bluegrassPoa trivialis L. ssp. trivialis — 5 images
round-fruited panicgrassDichanthelium sphaerocarpon (Ell.) Gould — 10 images
round-fruited seedboxLudwigia sphaerocarpa Elliott — 15 images
round-fruited short-scaled sedgeCarex deweyana Schwein. var. deweyana — 7 images
round-fruited yellowcressRorippa globosa (Turcz. ex Fisch. & Mey.) Hayek — 4 images
round-headed bushcloverLespedeza capitata Michx. — 17 images
round-leaved dogwood, talus dogwoodSwida rugosa (Lam.) Rydb. — 6 images
round-leaved mintMentha ×rotundifolia (L.) Hudson — 2 images
round-leaved shadbush, New England serviceberryAmelanchier sanguinea (Pursh) DC. — 4 images
round-leaved shinleaf, glossy shinleafPyrola americana Sweet — 47 images
round-leaved violetViola rotundifolia Michx. — 7 images
roundleaf goldenrodSolidago patula ssp. strictula (Torrey & A.Gray) Semple — 6 images
roundleaf sundewDrosera rotundifolia L. — 28 images
running clubmoss, common clubmossLycopodium clavatum L. — 13 images
rusty and ash willow with hybridsSalix atrocinerea/cinerea complex — 26 images
rusty willowSalix atrocinerea Brotero — 115 images
rusty willow x upland willowSalix atrocinerea × S. humilis — 13 images
rusty willow × American pussy willowSalix atrocinerea × S. discolor — 8 images
rusty willow × Bebb's willowSalix atrocinerea × S. bebbiana — 24 images
rusty willow × dwarf upland willowSalix atrocinerea × S. occidentalis — 5 images
sagebrushArtemisia tridentata Nutt. — 8 images
sago pondweed, sago false pondweedStuckenia pectinata (L.) Boerner — 8 images
saline spikerush, one-glumed spikesedgeEleocharis uniglumis (Link) Schultes — 21 images
sallow sedgeCarex lurida Wahlenb. — 35 images
saltgrass, saltmarsh spikegrassDistichlis spicata (L.) Greene — 16 images
saltmarsh arrowgrassTriglochin maritima L. — 25 images
saltmarsh bulrush, saltmarsh tuber blrushBolboschoenus robustus (Pursh) Soják — 21 images
saltmarsh eastern wild ryeElymus virginicus var. halophilus (Bicknell) Wieg. — 18 images
saltmarsh false foxglove, seaside gerardiaAgalinis maritima (Raf.) Raf. ssp. maritima — 18 images
saltmarsh fleabane, sweet-scented camphorweedPluchea odorata var. succulenta (Fern.) Cronq. — 22 images
saltmarsh knotweedPolygonum ramosissimum ssp. prolificum (Small) Costea & Tardif — 13 images
saltmarsh plantainPlantago intermedia DC. — 17 images
saltmarsh rushJuncus gerardii Loisel. — 22 images
saltmarsh sand spurrySpergularia marina (L.) Griseb. — 16 images
saltmarsh sea blite, herbaceous sea bliteSuaeda maritima (L.) Dumort. ssp. maritima — 25 images
saltmarsh sedge, chaffy sedgeCarex paleacea Schreber ex Wahlenb. — 7 images
saltmarsh silverweed, Egede's silverweedArgentina egedei (Wormsk. ex Hornem.) Rydb. — 11 images
saltmarsh spikerush, beaked spikesedgeEleocharis rostellata (Torrey) Torrey — 20 images
saltmarsh straw sedgeCarex hormathodes Fernald — 17 images
saltmarsh threesquare, Olney's threesquare, chairmaker's bulrushSchoenoplectus americanus (Pers.) Volk. ex Schinz & R.Keller — 9 images
saltmeadow cordgrass, salthaySpartina patens (Aiton) Muhl. var. patens — 23 images
saltwater cordgrass, smooth cordgrassSpartina alterniflora Loisel — 32 images
sand beadgrassPaspalum setaceum var. psammophilum (Nash) D.Banks — 12 images
sand cherry, sandbar cherryPrunus depressa Pursh — 7 images
sand small-flowered bittercressCardamine parviflora var. arenicola (Britton) O.E.Schulz — 24 images
sandbar willowSalix exigua ssp. interior (Rowlee) Cronq. — 17 images
sandplain blue-eyed grass, coastal plain blue-eyed grassSisyrinchium fuscatum Bicknell — 5 images
sandplain false foxglove, sandplain gerardiaAgalinis acuta Pennell — 8 images
sandplain yellow flaxLinum intercursum Bicknell — 16 images
sassafrasSassafras albidum (Nutt.) Nees — 77 images
saucer magnolia, Chinese magnoliaMagnolia ×soulangeana Soul.-Bod. — 8 images
sawbrier, wild sarsaparilla, glaucous-leaved greenbrierSmilax glauca Walter — 30 images
scarlet beebalm, crimson beebalmMonarda didyma L. — 1 images
scarlet oakQuercus coccinea Muenchh. — 42 images
scarlet pimpernelAnagallis arvensis L. — 17 images
scarlet smartweedPersicaria coccinea (Muhl. ex Willd.) Greene — 18 images
scentless mock-orange, Appalachian mock-orangePhiladelphus inodorus L. — 1 images
scratch bedstraw, cleaversGalium aparine L. — 12 images
scrub oak, bear oakQuercus ilicifolia Wangenh. — 94 images
sea lavenderLimonium carolinianum (Walt.) Britt. — 43 images
sea lovage, Scotch lovageLigusticum scothicum L. ssp. scothicum — 4 images
sea milkwortLysimachia maritima (L.) Galasso, Banfi & Soldano — 9 images
seabeach dock, pale dockRumex pallidus Bigelow — 4 images
seabeach oracheAtriplex cristata Humb. & Bonpl. ex Willd. — 11 images
seabeach quackgrass, tick quackgrassThinopyrum pycnanthum (Pers.) Barkworth — 5 images
seabeach sandwortHonckenya peploides ssp. robusta (Fern.) Hultén — 25 images
seabeach sedgeCarex silicea Olney — 26 images
seamyrtle, groundseltree, saltbush, eastern false willowBaccharis halimifolia L. — 53 images
seaside alkaligrassPuccinellia maritima (Hudson) Parl. — 5 images
seaside angelicaAngelica lucida L. — 27 images
seaside brookweed, water pimpernelSamolus valerandi ssp. parviflorus (Raf.) Hultén — 18 images
seaside bulrush, seaside tuber bulrushBolboschoenus maritimus ssp. paludosus (A.Nels.) T.Koyama — 18 images
seaside goldenrodSolidago sempervirens L. ssp. sempervirens — 50 images
seaside knotweedPolygonum glaucum Nutt. — 10 images
seaside oracheAtriplex littoralis L. — 8 images
seaside plantainPlantago maritima ssp. juncoides (Lam.) Hultén — 27 images
seaside spurge, seaside sandmatEuphorbia polygonifolia L. — 17 images
seaside wormwood, tall wormwoodArtemisia campestris ssp. caudata (Michx.) Hall & Clements — 19 images
seebeach needlegrass, seaside threeawnAristida tuberculosa Nutt. — 14 images
sensitive fernOnoclea sensibilis L. — 37 images
sensitive partridge peaChamaecrista nictitans (L.) Moench ssp. nictitans var. nictitans — 8 images
serrate blackberry, southern blackberryRubus argutus Link — 3 images
sessile-headed blazing star, marsh blazing starLiatris spicata (L.) Willd. var. spicata — 8 images
sessile-leaved twisted-stalk, rose twisted-stalk, rose mandarin, rosybellsStreptopus lanceolatus (Aiton) Reveal — 21 images
seven-angled pipewort, white buttonsEriocaulon aquaticum (Hill) Druce — 44 images
several-veined sweetflag, American sweetflagAcorus americanus (Raf.) Raf. — 2 images
shagbark hickoryCarya ovata (P.Miller) K.Koch — 31 images
shaggy few-flowered nutsedge, Carolina papillose nutrushScleria pauciflora var. caroliniana (Willd.) Wood — 23 images
sharp-fruited rushJuncus acuminatus Michx. — 8 images
sharp-lobed liverleaf, sharp-lobed liverwortHepatica acutiloba DC. — 18 images
sharp-scaled mannagrassGlyceria acutiflora Torrey — 10 images
sheep dock, sheep sorrel, red sorrelRumex acetosella ssp. pyrenaicus (Pourr. ex Lapeyr.) Akeroyd — 25 images
sheep fescueFestuca ovina L. — 1 images
sheep laurelKalmia angustifolia L. var. angustifolia — 49 images
sheep's bitJasione montana L. — 43 images
shepherd's purseCapsella bursa-pastoris (L.) Medik. — 22 images
shining firmoss, shining clubmossHuperzia lucidula (Michaux) Trev. — 13 images
shining flatsedgeCyperus bipartitus Torrey — 12 images
shining willowSalix lucida Muhl. ssp. lucida — 22 images
shiny rose, New England roseRosa nitida Willd. — 11 images
shore horsetailEquisetum ×litorale Kühl. ex Rupr. — 7 images
shore juniperJuniperus conferta Parl. — 29 images
short-beaked baldsedge, short-beaked beaksedgeRhynchospora nitens (Vahl) A.Gray — 11 images
short-beaked sedge, short fescue sedgeCarex brevior (Dewey) Mack. ex Lunell — 11 images
short-toothed mountain mint, clustered mountain mintPycnanthemum muticum (Michx.) Pers. — 31 images
showy asterEurybia spectabilis (Aiton) G.L.Nesom — 52 images
showy goldenrodSolidago speciosa Nutt. var. speciosa — 2 images
showy lovegrass, purple lovegrassEragrostis spectabilis (Pursh) Steudel — 18 images
showy ticktrefoil, Canadian ticktrefoilDesmodium canadense (L.) DC. — 22 images
showy woodsorrel, southern woodsorrelOxalis dillenii Jacq. — 32 images
shrubby St. John's-wortHypericum prolificum L. — 4 images
shrubby cinquefoilDasiphora floribunda Raf. — 13 images
shrubby rose mallow, Korean hibiscus, rose-of-SharonHibiscus syriacus L. — 6 images
shrubby yellowrootXanthorhiza simplicissima Marsh. — 14 images
sickle-leaved golden asterPityopsis falcata (Pursh) Nutt. — 37 images
sicklepod rockcressBoechera canadensis (L.) Al-Shehbaz — 19 images
sideoats gramaBouteloua curtipendula (Michx.) Torrey var. curtipendula — 16 images
silk treeAlbizia julibrissin Durazz. — 1 images
silky dogwoodSwida amomum (P.Miller) Small var. amomum — 16 images
silky willowSalix sericea Marsh. — 45 images
silver cinquefoil, silver-leaved cinquefoilPotentilla argentea L. — 32 images
silver mapleAcer saccharinum L. — 42 images
silver-leaved summer grapeVitis aestivalis var. bicolor Deam — 17 images
silverrod, white goldenrodSolidago bicolor L. — 27 images
silvery hairgrass, common silverhair grassAira caryophyllea L. var. caryophyllea — 10 images
silvery sedge, silvery-flowered sedgeCarex argyrantha Tuckerman — 10 images
silvery spleenwortDeparia acrostichoides (Sw.) M.Kato — 23 images
single-veined sweetflagAcorus calamus L. — 18 images
six-weeks annual fescueVulpia octoflora var. tenella (Willd.) Fern. — 16 images
skunk cabbageSymplocarpus foetidus (L.) Salisb. ex Nutt. — 43 images
skunk currantRibes glandulosum Grauer — 7 images
sleepy catchfly, sleepy campionSilene antirrhina L. — 11 images
slender blueflagIris prismatica Pursh — 30 images
slender bushcloverLespedeza virginica (L.) Britton — 13 images
slender cottonweedFroelichia gracilis (Hooker) Moq. — 25 images
slender deutziaDeutzia gracilis Sieb. & Zucc. — 4 images
slender drooping sedge, graceful sedgeCarex gracillima Schwein. — 2 images
slender false foxglove, slender gerardiaAgalinis tenuifolia (Vahl) Raf. var. tenuifolia — 6 images
slender groundcedar, wiry groundcedarDiphasiastrum tristachyum (Pursh) Holub — 6 images
slender knotweed, rock knotweedPolygonum tenue Michx. — 12 images
slender mannagrass, Fernald's mannagrassTorreyochloa pallida var. fernaldii (A.S.Hitchc.) Dore ex Koyama & Kawano — 17 images
slender parsleypiertAphanes australis Rydberg — 16 images
slender rose-gentian, slender marsh pinkSabatia campanulata (L.) Torrey — 8 images
slender sand flatsedge, depauperated Great Plains flatsedgeCyperus lupulinus var. macilentus (Fern.) A.Haines — 15 images
slender softstem spikerush, starved softstem spikerushEleocharis obtusa var. jejuna Fern. — 2 images
slender spikerush, slender spikesedgeEleocharis tenuis (Willd.) Schultes var. tenuis — 17 images
slender stinging nettleUrtica gracilis Aiton — 26 images
slender straw sedge, delicate quill sedgeCarex tenera Dewey — 8 images
slender three-seeded mercuryAcalypha gracilens A.Gray — 8 images
slender watermilfoil, leafless watermilfoilMyriophyllum tenellum Bigelow — 14 images
slender wheatgrassElymus trachycaulus ssp. glaucus (Pease & Moore) Cody — 3 images
slender willow, meadow willowSalix petiolaris J.E.Smith — 44 images
slender wood sedge, slender-spiked woodland sedgeCarex digitalis Willd. var. digitalis — 5 images
slender woolly fruited sedgeCarex lasiocarpa ssp. americana (Fern.) D.Löve & Bernard — 29 images
slender-leaved mountain mintPycnanthemum tenuifolium Schrader — 21 images
slim amaranth, smooth pigweedAmaranthus hybridus L. — 9 images
slippery elmUlmus rubra Muhl. — 9 images
small beggarticksBidens discoidea (Torrey & A.Gray) Britton — 8 images
small cranberryVaccinium oxycoccos L. — 5 images
small enchanter's nightshadeCircaea alpina ssp. alpina L. — 2 images
small floating bladderwortUtricularia radiata Small — 27 images
small sweetgrass, awned vernalgrass, Puel's vernalgrassAnthoxanthum ovatum var. aristatum Pérez-Lara — 3 images
small-flowered buttercup, small-flowered crowfootRanunculus micranthus Nutt. — 8 images
small-flowered daffodilNarcissus minor L. — 6 images
small-flowered dwarf bulrushLipocarpha micrantha (Vahl) G.C.Tucker — 27 images
small-flowered evening primroseOenothera parviflora L. — 9 images
small-flowered false foxglove, small-flowered gerardiaAgalinis paupercula (A.Gray) Britton var. paupercula — 16 images
small-flowered rose, small-flowered sweetbriarRosa micrantha Borrer ex J.E.Smith — 11 images
small-fruited beadgrass, slender beadgrassPaspalum setaceum Michx. var. setaceum — 7 images
small-leaved linden × Mongolian lindenTilia cordata × T. mongolica — 6 images
small-leaved linden, small-leaved lime, littleleaf lindenTilia cordata P.Miller — 16 images
small-petaled shadbushAmelanchier micropetala (B.L.Robins) Ashe — 16 images
small-spiked American barnyard grass, small-spiked cockspurEchinochloa muricata var. microstachya Wieg. — 6 images
small-spiked false nettle, bog hempBoehmeria cylindrica (L.) Sw. — 22 images
smooth alder, common alderAlnus serrulata (Ait.) Willd. — 51 images
smooth asterSymphyotrichum laeve (L.) A.Löve & D.Löve var. laeve — 14 images
smooth beggarticks, smooth marigoldBidens laevis (L.) B.S.P. — 5 images
smooth black sedgeCarex nigra (L.) Reichard — 6 images
smooth crabgrassDigitaria ischaemum (Schreb.) Schreb. ex Muhl. — 9 images
smooth false foxgloveAureolaria flava (L.) Farw. var. flava — 14 images
smooth forked whitlow-wort, forked chickweedParonychia canadensis (L.) A.Wood — 11 images
smooth goldenrod, late goldenrodSolidago gigantea Aiton — 22 images
smooth hawk's beardCrepis capillaris (L.) Wallr. — 7 images
smooth hawkweedHieracium piloselloides Vill. — 21 images
smooth hydrangea, sevenbarkHydrangea arborescens L. — 3 images
smooth orache, Scotland oracheAtriplex glabriuscula Edmondston — 12 images
smooth panicgrassDichanthelium acuminatum ssp. spretum (J.A.Schultes) Freckmann & Lelong — 4 images
smooth pussytoes, Parlin's pussytoesAntennaria parlinii Fern. ssp. parlinii — 10 images
smooth rockcressBoechera laevigata (Muhl. ex Willd.) Al-Shehbaz — 1 images
smooth roseRosa blanda Aiton var. blanda — 8 images
smooth sawsedge, twigsedgeCladium mariscoides (Muhl.) Torrey — 32 images
smooth shadbush, smooth serviceberry, Allegheny serviceberryAmelanchier laevis Wiegand — 12 images
smooth small-leaved ticktrefoilDesmodium marilandicum (L.) DC. — 25 images
smooth spiderwortTradescantia ohiensis Raf. — 1 images
smooth spiderwort × Virginia spiderwortTradescantia ohiensis × T. virginiana — 20 images
smooth sumacRhus glabra L. — 16 images
smooth white oldfield asterSymphyotrichum racemosum (Ell.) G.L.Nesom — 10 images
smooth white violet, northern white violet, small white violetViola pallens (Banks ex DC.) Brainerd — 8 images
smooth winterberryIlex laevigata (Pursh) A.Gray — 19 images
smooth witherodViburnum nudum L. var. nudum — 2 images
smooth yellow violetViola pubescens var. scabriuscula Schwein. ex Torr. & A.Gray — 17 images
smooth-sheathed sedgeCarex laevivaginata (Kükenth.) Mackenzie — 4 images
snailseed pondweed, hairlike pondweedPotamogeton bicupulatus Fernald — 18 images
snow crocus, golden crocusCrocus chrysanthus (Herb.) Herb. — 4 images
snowdropGalanthus nivalis L. ssp. nivalis — 8 images
soft brome, soft chessBromus hordeaceus L. ssp. hordeaceus — 5 images
softstem bulrushSchoenoplectus tabernaemontani (K.C.Gmelin) Palla — 20 images
softstem spikerush, blunt spikesedgeEleocharis obtusa (Willd.) J.A.Schultes var. obtusa — 54 images
sour cherryPrunus cerasus L. — 3 images
sourwoodOxydendrum arboreum (L.) DC. — 7 images
southern arrowwoodViburnum dentatum var. venosum (Britt.) Gleason — 1 images
southern bog clubmossLycopodiella appressa (Chapman) Cranfill — 21 images
southern catalpa, Indian bean treeCatalpa bignonioides Walter — 16 images
southern dewberry, Enslen's blackberryRubus enslenii Tratt. — 4 images
southern groundcedarDiphasiastrum digitatum (Dill. ex A.Br.) Holub — 26 images
southern ladyfernAthyrium asplenioides (Michx.) Desv. — 3 images
southern long-awned woodgrass, bearded shorthuskBrachyelytrum erectum (Schreb. ex Spreng.) Beauv. — 5 images
southern rough-stemmed goldenrod, barrens goldenrodSolidago rugosa ssp. aspera (Aiton) Cronq. — 8 images
southern silvery bog sedgeCarex canescens ssp. disjuncta (Fern.) Toivonen — 23 images
southern wild riceZizania aquatica L. var. aquatica — 28 images
spearmintMentha spicata L. ssp. spicata — 6 images
speckled alderAlnus rugosa (Du Roi) Spreng. — 47 images
sphagnum goldenrod, swamp wrinkle-leaved goldenrodSolidago aestivalis Bicknell — 25 images
spinulose wood fernDryopteris carthusiana (Vill.) H.P.Fuchs — 39 images
spiny-leaved sowthistle, spiny sowthistleSonchus asper (L.) Hill — 14 images
spoonleaf sundew, spatulate-leaved sundewDrosera intermedia Hayne — 22 images
spotted Joe-Pye-weedEutrochium maculatum (L.) E.E.Lamont var. maculatum — 9 images
spotted St. John's-wortHypericum punctatum Lam. — 16 images
spotted cranesbill, wild geranium, wood geraniumGeranium maculatum L. — 26 images
spotted henbit, spotted deadnettleLamium maculatum L. — 7 images
spotted knapweed, bushy knapweedCentaurea stoebe ssp. micranthos (Gugler) Hayek — 94 images
spotted pondweedPotamogeton pulcher Tuckerman — 6 images
spotted spurge, spotted sandmat, milk purslaneEuphorbia maculata L. — 21 images
spotted water hemlockCicuta maculata L. var. maculata — 24 images
spreading Jacob's ladder, Greek valerianPolemonium reptans L. var. reptans — 4 images
spreading bulrush, wood bulrushScirpus expansus Fern. — 4 images
spreading cotoneasterCotoneaster divaricatus Rehd. & E.H.Wilson — 17 images
spreading dogbaneApocynum androsaemifolium L. — 15 images
spreading ricegrass, white-grained ricegrassOryzopsis asperifolia Michx. — 24 images
spreading ticktrefoilDesmodium ×humifusum (Muhl. ex Bigelow) Beck — 3 images
spreading woodland sedge, spreading sedgeCarex laxiculmis Schwein. var. laxiculmis — 11 images
spring crocusCrocus vernus (L.) Hill ssp. vernus — 17 images
spring vetch, tareVicia sativa L. ssp. sativa — 11 images
spring water starwort, vernal water starwort, narrow-fruited water starwort, spiny water starwortCallitriche palustris L. — 3 images
spring whitlowgrass, spring whitlowmustard, longpod whitlowgrassDraba verna L. — 43 images
squarepod seedboxLudwigia alternifolia L. — 31 images
squirrel cornDicentra canadensis (Goldie) Walp. — 14 images
staghorn sumacRhus hirta (L.) Sudworth — 32 images
stalked bulrush, stalked woolsedge, stalked woolgrassScirpus pedicellatus Fern. — 10 images
stalked water horehound, swamp water horehoundLycopus rubellus Moench — 29 images
star-of-BethlehemOrnithogalum umbellatum L. — 25 images
starflowered crocusCrocus ×stellaris — 3 images
starry Solomon's seal, star-like false Solomon's sealMaianthemum stellatum (L.) Link — 30 images
starved panicgrass, slender panicgrassDichanthelium depauperatum (Muhl.) Gould — 3 images
steeplebush, rosy meadowsweetSpiraea tomentosa L. — 18 images
sticky goldenrodSolidago simplex Kunth ssp. simplex var. simplex — 2 images
sticky nightshadeSolanum sisymbriifolium Lam. — 3 images
stiff clubmossSpinulum annotinum (L.) A.Haines — 9 images
stiff marsh bedstraw, stiff three-petaled bedstrawGalium tinctorium (L.) Scop. var. tinctorium — 35 images
stiff sedgeCarex stricta var. strictior (Dewey) Carey — 19 images
stiff-leaved sand sedge, shaved sedgeCarex tonsa (Fern.) Bickn. var. tonsa — 26 images
stinging nettleUrtica dioica L. — 26 images
stinking lovegrass, stink grassEragrostis cilianensis (All.) Lut. ex Janchen — 12 images
stout dotted smartweed, coarse dotted smartweedPersicaria robustior (Small) Bicknell — 14 images
stout tall windflower, stout thimbleweedAnemone virginiana L. var. virginiana — 12 images
straw foxglove, small yellow foxgloveDigitalis lutea L. — 5 images
straw sedge, eastern straw sedgeCarex straminea Willd. ex Schkuhr — 14 images
straw-colored flatsedgeCyperus strigosus L. — 40 images
strict blue-eyed grass, meadow blue-eyed grassSisyrinchium montanum var. crebrum Fern. — 10 images
strict hairgrass, early silverhair grassAira praecox L. — 13 images
stringy stonecrop, running stonecropSedum sarmentosum Bunge — 6 images
striped mapleAcer pensylvanicum L. — 34 images
striped pipsissewa, spotted wintergreenChimaphila maculata (L.) Pursh — 22 images
striped squillPuschkinia scilloides Adams — 14 images
sugar mapleAcer saccharum Marsh. — 30 images
sulphur cinquefoil, rough-fruited cinquefoilPotentilla recta L. — 14 images
summer cypressKochia scoparia (L.) Schrad. — 18 images
summer grape, pigeon grapeVitis aestivalis Michaux var. aestivalis — 7 images
summer snowflakeLeucojum aestivum L. — 9 images
surface pondweed, ribbonleaf pondweedPotamogeton epihydrus Raf. — 38 images
swamp Jack-in-the-pulpitArisaema stewardsonii Britton — 14 images
swamp azaleaRhododendron viscosum (L.) Torrey — 42 images
swamp birch, fen birchBetula pumila L. — 8 images
swamp cottonwood, swamp poplarPopulus heterophylla L. — 4 images
swamp dewberry, dwarf raspberryRubus pubescens Raf. — 17 images
swamp dockRumex verticillatus L. — 18 images
swamp goldenrodSolidago uliginosa Nutt. — 16 images
swamp loosestrife, swamp candlesLysimachia terrestris (L.) B.S.P. — 25 images
swamp loosestrife, waterwillowDecodon verticillatus (L.) Ell. — 51 images
swamp mallow, swamp rose mallowHibiscus moscheutos L. ssp. moscheutos — 27 images
swamp roseRosa palustris Marsh. — 30 images
swamp small-flowered saxifrageMicranthes pensylvanica (L.) Haw. — 13 images
swamp sweetbellsEubotrys racemosa (L.) Nutt. — 54 images
swamp white oakQuercus bicolor Willd. — 63 images
sweet Joe-Pye-weedEutrochium purpureum (L.) E.E.Lamont var. purpureum — 13 images
sweet WilliamDianthus barbatus L. — 8 images
sweet alyssumLobularia maritima (L.) Desv. — 4 images
sweet birch, cherry birch, black birchBetula lenta L. — 37 images
sweet cherryPrunus avium (L.) L. — 20 images
sweet coneflowerRudbeckia subtomentosa Pursh — 3 images
sweet everlasting, fragrant cudweed, blunt-leaved rabbit tobaccoPseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt — 27 images
sweet galeMyrica gale L. — 58 images
sweet mock-orange, European mock-orangePhiladelphus coronarius L. — 3 images
sweet pignut hickory, red hickoryCarya ovalis (Wangenh.) Sarg. — 4 images
sweet white violet, large-leaved white violetViola blanda Willd. var. blanda — 18 images
sweet white woodruffGalium odoratum (L.) Scop. — 11 images
sweet wormwood, Asian annual wormwoodArtemisia annua L. — 16 images
sweetbay magnoliaMagnolia virginiana L. ssp. virginiana — 13 images
sweetbriar, sweetbrierRosa rubiginosa L. — 9 images
sweetfernComptonia peregrina (L.) Coulter — 28 images
sweetgumLiquidambar styraciflua L. — 23 images
sweetshoot bambooPhyllostachys dulcis McClure — 5 images
sweetshrubCalycanthus floridus var. glaucus (Willd.) Torrey & A.Gray — 6 images
sweetwilliam catchflySilene armeria L. — 26 images
switch panicgrass, switchgrassPanicum virgatum L. — 41 images
sycamore mapleAcer pseudoplatanus L. — 20 images
tall beggarticksBidens vulgata Greene — 11 images
tall bushclover, Thunberg's bushclover, shrub lespedezaLespedeza thunbergii (Nakai) H.Ohashi — 26 images
tall buttercup, tall crowfootRanunculus acris L. — 18 images
tall cinquefoil, glandular cinquefoilDrymocallis arguta (Pursh) Rydb. — 6 images
tall fescue, tall ryegrassSchedonorus arundinaceus (Schreber) Dumort. — 10 images
tall flat-topped white asterDoellingeria umbellata (P.Mill.) Nees var. umbellata — 37 images
tall goldenrodSolidago altissima L. ssp. altissima — 18 images
tall mannagrassGlyceria grandis S.Watson var. grandis — 2 images
tall meadowrueThalictrum pubescens Pursh — 27 images
tall milkweed, poke milkweedAsclepias exaltata L. — 11 images
tall oatgrassArrhenatherum elatius (L.) J.Presl & K.Presl ssp. elatius — 17 images
tall rattlesnake root, slender rattlesnake rootNabalus altissima (L.) Hooker — 20 images
tall sunflower, giant sunflowerHelianthus giganteus L. — 7 images
tall white aster, panicled asterSymphyotrichum lanceolatum (Willd.) G.L.Nesom ssp. lanceolatum var. lanceolatum — 2 images
tall white beardtonguePenstemon digitalis Nutt. ex Sims — 14 images
tall white violet, Canada violetViola canadensis L. var. canadensis — 24 images
tamarack, American larchLarix laricina (DuRoi) K.Koch — 15 images
tapegrass, water celeryVallisneria americana Michx. — 18 images
tea viburnumViburnum setigerum Hance — 3 images
thick-leaved wild strawberryFragaria virginiana Duchesne ssp. virginiana — 24 images
thicket creeper, grape woodbineParthenocissus vitacea (Knerr) A.S.Hitchc. — 16 images
thicket shadbush, thicket serviceberry, eastern serviceberry, Canadian serviceberry, shadbush serviceberry, shadblowAmelanchier canadensis (L.) Medik. — 58 images
thin-leaved sunflowerHelianthus decapetalus L. — 4 images
thread-stalked speedwell, creeping speedwellVeronica filiformis L. — 2 images
threadleaf arrowhead, riffle arrowheadSagittaria filiformis J.G.Smith — 2 images
threadleaf sundewDrosera filiformis Raf. var. filiformis — 42 images
threadstem sedge, Howe's prickly sedgeCarex atlantica ssp. capillacea (L.H.Bailey) Reznicek — 10 images
three-leaved rattlesnake root, gall-of-the-earthNabalus trifoliolatus Cass. — 29 images
three-lobed beggarticks, leafy-bracted beggarticksBidens tripartita ssp. comosa (A.Gray) A.Haines — 4 images
three-seeded bog sedgeCarex trisperma Dewey — 16 images
three-seeded bog sedge, Billings' sedgeCarex billingsii (Knight) C.D.Kirschbaum — 6 images
three-toothed cinquefoilSibbaldiopsis tridentata (Aiton) Rydb. — 14 images
threeleaf goldthreadCoptis trifolia (L.) Salisb. — 32 images
threeway sedgeDulichium arundinaceum (L.) Britton — 21 images
thymeleaf pinweedLechea minor L. — 26 images
thymeleaf sandwortArenaria serpyllifolia L. — 16 images
thymeleaf speedwellVeronica serpyllifolia L. ssp. serpyllifolia — 29 images
tidal marsh amaranth, saltmarsh waterhemp, waterhemp ragweedAmaranthus cannabinus (L.) Sauer — 14 images
tiger lily, lanceleaf lilyLilium lancifolium Thunb. — 6 images
tiny trumpet, narrow-leaved mountain trumpetCollomia linearis Nutt. — 4 images
tiny vetch, hairy vetchVicia hirsuta (L.) S.F.Gray — 3 images
toad rushJuncus bufonius L. — 5 images
tomentose chickweed, snow-in-summerCerastium tomentosum L. — 8 images
toothed white-topped asterSericocarpus asteroides (L.) B.S.P. — 26 images
tower mustardTurritis glabra L. — 32 images
trailing arbutus, mayflowerEpigaea repens L. — 50 images
trailing bushcloverLespedeza procumbens Michaux — 12 images
trailing pearlwortSagina decumbens (Ell.) Torrey & A.Gray ssp. decumbens — 5 images
tree false spireaSorbaria arborea C.K.Schneid. — 7 images
tree-of-heavenAilanthus altissima (P.Miller) Swingle — 77 images
tricleft bedstraw, northern three-lobed bedstrawGalium trifidum L. ssp. trifidum — 7 images
true forget-me-not, water forget-me-not, scorpionweedMyosotis scorpioides L. — 12 images
trumpet creeperCampsis radicans (L.) Seem. ex Bureau — 17 images
trumpet honeysuckleLonicera sempervirens L. var. sempervirens — 11 images
tubercled spikerush, long-tubercled spikesedgeEleocharis tuberculosa (Michaux) Roemer & Schultes — 15 images
tuberous grasspinkCalopogon tuberosus (L.) B.S.P. var. tuberosus — 14 images
tuberous water horehound, northern water horehoundLycopus uniflorus Michx. — 54 images
tuberous waterlilyNymphaea odorata ssp. tuberosa (Paine) Wiersema & Hellquist — 14 images
tufted hairsedge, sandsedgeBulbostylis capillaris (L.) Kunth ex C.B.Clarke — 28 images
tufted loosestrifeLysimachia thyrsiflora L. — 9 images
tufted lovegrassEragrostis pectinacea (Michx.) Nees ex Steud. var. pectinacea — 24 images
tuliptreeLiriodendron tulipifera L. — 34 images
tumbling hedge mustardSisymbrium altissimum L. — 9 images
tupelo, black gumNyssa sylvatica Marshall — 108 images
tussock sedgeCarex stricta Lam. — 21 images
twin-scaped bladderwortUtricularia geminiscapa Benj. — 24 images
twisted drooping sedgeCarex prasina Wahlenb. — 7 images
twisted sedge, riverside sedgeCarex torta Boott ex Tuckerman — 9 images
twisted yellow-eyed grassXyris torta Small — 30 images
twistwood, wayfaring treeViburnum lantana L. — 7 images
twoleaf miterwort, twoleaf mitrewort, coolwort, Bishop's capMitella diphylla L. — 12 images
umbrella flatsedge, red-edged flatsedgeCyperus diandrus Torrey — 13 images
umbrella magnoliaMagnolia tripetala (L.) L. — 14 images
unidentified exotic birchBetula sp. — 10 images
unidentified pearlwortSagina sp. — 3 images
unknown hybridLilium sp. — 2 images
upland bentgrass, upland bent, autumn bentAgrostis perennans (Walter) Tuckerman — 8 images
upland bonesetEupatorium sessilifolium L. — 5 images
upland brittle bladder fern, Mackay's fragile fern, Mackay's brittle fernCystopteris tenuis (Michx.) Desv. — 5 images
upright white bedstrawGalium album L. — 2 images
upright yellow rocket, upright wintercressBarbarea stricta Andrz. — 3 images
vanilla sweetgrass, Indian sweetgrassAnthoxanthum nitens (Weber) Y.Schouten & Veldkamp ssp. nitens — 11 images
variable sedgeCarex polymorpha Muhl. — 8 images
variable watermilfoilMyriophyllum heterophyllum Michx. — 12 images
variegated entireleaf willowSalix integra Thunb. 'Albo-Marginata' — 2 images
variegated scouring rushEquisetum variegatum Schleicher ex Weber & Mohr ssp. variegatum — 5 images
variegated yellow archangelLamium argentatum (Smejkal) Henker ex G.H.Loos — 33 images
velvet-fruited sedgeCarex vestita Willd. — 29 images
velvet-leaved blueberry, sourtop blueberryVaccinium myrtilloides Michx. — 21 images
velvetleaf Indian mallow, velvetleaf, velvet plant, velvetweed, crownweed, buttonweed, Chinese juteAbutilon theophrasti Medik. — 8 images
vernal sedgeCarex caryophyllea Lat. — 14 images
vervain mallowMalva alcea L. — 4 images
violet bushcloverLespedeza frutescens (L.) Hornem. — 4 images
violet crabgrassDigitaria violascens Link — 15 images
violet woodsorrelOxalis violacea L. — 4 images
violet-flowered petuniaPetunia integrifolia (Hook.) Schinz & Thellung — 2 images
virginsbowerClematis virginiana L. — 16 images
viscid nightshade, groundcherry nightshade, hoe nightshadeSolanum physalifolium var. nitidibaccatum (Bitter) Edmonds — 3 images
wall lettuceMycelis muralis (L.) Dumort. — 8 images
wand bushcloverLespedeza violacea (L.) Pers. — 17 images
warty panicgrassPanicum verrucosum Muhl. — 24 images
water arum, wild callaCalla palustris L. — 19 images
water bulrush, floating bulrushSchoenoplectus subterminalis (Torrey) Soják — 29 images
water chestnut, water caltropTrapa natans L. — 17 images
water lettucePistia stratiotes L. — 3 images
water lobeliaLobelia dortmanna L. — 28 images
water parsnipSium suave Walter — 19 images
waterpepper smartweed, water pepperPersicaria hydropiper (L.) Opiz — 6 images
watershieldBrasenia schreberi J.F.Gmelin — 42 images
wavy hairgrass, crinkled hairgrassDeschampsia flexuosa (L.) Trin. — 15 images
wavy waternymph, common naiadNajas flexilis (Willd.) Rostk. & Schmidt — 16 images
waxy-leaved meadowrue, skunk meadowrueThalictrum revolutum DC. — 26 images
weeping forsythia, golden bellForsythia suspensa (Thunb.) Vahl — 7 images
weeping lovegrassEragrostis curvula (Schrader) Nees — 16 images
western bleeding heart, Pacific bleeding heartDicentra formosa (Andr.) Walp. — 2 images
western false Solomon's sealMaianthemum amplexicaule (Nutt.) W.A.Weber — 2 images
western maidenhair spleenwortAsplenium quadrivalens (D.E.Meyer) Landolt 2010 — 2 images
western plane, American planetree, sycamorePlatanus occidentalis L. — 56 images
western snowberrySymphoricarpos albus ssp. laevigatus (Fern.) Hultén — 6 images
western thimbleberryRubus parviflorus L. — 3 images
whip hawkweedHieracium flagellare Willd. — 6 images
white ashFraxinus americana L. — 69 images
white avensGeum canadense Jacq. var. canadense — 48 images
white baneberry, doll's eyesActaea pachypoda Ell. — 24 images
white beakrush, white beaksedgeRhynchospora alba (L.) Vahl — 30 images
white bear sedgeCarex albursina Sheldon — 1 images
white campion, evening lychnisSilene latifolia ssp. alba (P.Mill.) Greuter & Burdet — 24 images
white cloverTrifolium repens L. — 18 images
white colic root, unicorn root, white stargrass, crowcornAletris farinosa L. — 9 images
white crocusCrocus albiflorus Kit. ex Schult. — 4 images
white cutgrassLeersia virginica Willd. — 9 images
white dock, willowleaf dockRumex triangulivalvis (Danser) Rech.f. — 4 images
white fir, Colorado firAbies concolor (Gordon & Glend.) Lindley ex Hildebrand — 10 images
white forsythiaAbeliophyllum distichum Nakai — 7 images
white fringed orchid, white fringed bog orchidPlatanthera blephariglottis (Willd.) Lindl. var. blephariglottis — 14 images
white fringetree, Virginia fringetreeChionanthus virginicus L. — 14 images
white goosefoot, lamb's quartersChenopodium album L. — 31 images
white mulberryMorus alba L. — 18 images
white mulleinVerbascum lychnitis L. — 9 images
white oldfield aster, hairy aster, awl asterSymphyotrichum pilosum (Willd.) G.L.Nesom var. pilosum — 49 images
white pinePinus strobus L. — 89 images
white poplarPopulus alba L. — 16 images
white snakerootAgeratina altissima (L.) King & H.E.Robinson var. altissima — 20 images
white sprucePicea glauca (Moench) Voss — 32 images
white stonecropSedum album L. — 10 images
white swallowwortCynanchum vincetoxicum (L.) Pers. — 5 images
white sweetcloverMelilotus albus Medik. — 15 images
white thornapple, white jimsonweed, Jamestown weedDatura stramonium L. — 42 images
white trillium, white wakerobinTrillium grandiflorum (Michx.) Salisb. — 3 images
white turtleheadChelone glabra L. — 26 images
white vervainVerbena urticifolia L. var. urticifolia — 18 images
white willowSalix alba L. — 13 images
white wood asterEurybia divaricata (L.) G.L.Nesom — 15 images
white-flowered golden hedgehyssopGratiola aurea forma leucantha Bartlett — 24 images
whorled chickweed, green carpetweedMollugo verticillata L. — 29 images
whorled loosestrifeLysimachia quadrifolia L. — 19 images
whorled marsh pennywort, saltpond pennywortHydrocotyle verticillata Thunb. — 3 images
whorled milkweedAsclepias verticillata L. — 8 images
whorled milkwortPolygala verticillata L. — 14 images
whorled white bedstraw, field madderGalium mollugo L. — 26 images
whorled wood asterOclemena acuminata (Michx.) G.L.Nesom — 31 images
wig knapweedCentaurea phrygia L. — 8 images
wild European tulipTulipa sylvestris L. — 3 images
wild basilClinopodium vulgare L. — 23 images
wild bergamot, wild beebalmMonarda fistulosa ssp. fistulosa var. mollis (L. ) Benth. — 16 images
wild carrot, Queen Anne's laceDaucus carota L. — 16 images
wild chivesAllium schoenoprasum L. — 5 images
wild columbine, red columbineAquilegia canadensis L. — 43 images
wild cucumber, prickly cucumberEchinocystis lobata (Michx.) Torrey & A.Gray — 13 images
wild daffodil, trumpet daffodilNarcissus pseudonarcissus L. — 10 images
wild garlic, meadow garlicAllium canadense L. var. canadense — 10 images
wild goose plumPrunus hortulana Bailey — 2 images
wild honeysuckleLonicera dioica L. — 4 images
wild leekAllium tricoccum Aiton var. tricoccum — 10 images
wild licorice, forest bedstrawGalium circaezans Michaux var. circaezans — 20 images
wild licorice, lanceleaf bedstrawGalium lanceolatum Torrey — 9 images
wild lupine, sundial lupineLupinus perennis L. ssp. perennis — 23 images
wild parsnipPastinaca sativa L. — 22 images
wild radishRaphanus raphanistrum L. — 27 images
wild raisin viburnum, witherodViburnum nudum var. cassinoides (L.) Torrey & A.Gray — 65 images
wild red raspberryRubus idaeus ssp. strigosus (Michaux) Focke — 1 images
wild sarsaparillaAralia nudicaulis L. — 46 images
willowleaf cotoneasterCotoneaster salicifolius Franch. — 4 images
wine raspberry, wineberryRubus phoenicolasius Maxim. — 10 images
winged bindweedFallopia cristata (Engelm. & A.Gray) Holub — 10 images
winged sneezeweed, purple-headed sneezeweedHelenium flexuosum Raf. — 24 images
winged spindletree, Oriental spindletreeEuonymus alatus (Thunb.) Sieb. — 37 images
wingstem crownbeardVerbesina alternifolia (L.) Britton — 10 images
winter aconiteEranthis hyemalis (L.) Salisb. — 11 images
winter creeperEuonymus fortunei (Turcz.) Hand.-Mazz. — 27 images
winter heath, spring heathErica carnea L. — 4 images
winter jasmineJasminum nudiflorum Lindl. — 1 images
wintergreen, checkerberry, eastern teaberryGaultheria procumbens L. — 48 images
wirestem muhlyMuhlenbergia frondosa (Poir.) Fern. — 11 images
witchgrass, witch panicgrassPanicum capillare L. ssp. capillare — 16 images
wood avens, city avens, town avensGeum urbanum L. — 9 images
wood betony, Canadian lousewort, common lousewortPedicularis canadensis L. ssp. canadensis — 15 images
wood lilyLilium philadelphicum L. — 50 images
wood windflowerAnemone quinquefolia L. var. quinquefolia — 40 images
woodbine, European common honeysuckleLonicera periclymenum L. — 3 images
woodland Jack-in-the-pulpitArisaema triphyllum (L.) Schott ex Schott & Endl. — 36 images
woodland bluegrassPoa nemoralis L. — 5 images
woodland brome, Canada brome, hairy wood bromeBromus pubescens Muhl. ex Willd. — 6 images
woodland clubsedge, woodland bulrushTrichophorum planifolium (Spreng.) Palla — 20 images
woodland crocus, early or snow crocusCrocus tommasinianus Herb. — 11 images
woodland figwort, wood figwortScrophularia nodosa L. — 7 images
woodland hawkweed, panicled hawkweedHieracium paniculatum L. — 15 images
woodland horsetailEquisetum sylvaticum L. — 9 images
woodland rushJuncus subcaudatus (Engelm.) Coville — 5 images
woodland sageSalvia nemorosa L. — 2 images
woodland strawberryFragaria vesca ssp. americana (Porter) Staudt — 9 images
woodland sunflower, rough woodland sunflowerHelianthus divaricatus L. — 18 images
woolly beach heatherHudsonia tomentosa Nutt. — 34 images
woolly foxglove, Grecian foxgloveDigitalis lanata Ehrh. — 2 images
woolly mintMentha ×villosa Hudson — 13 images
woolly pipevine, woolly Dutchman's pipeIsotrema tomentosum (Sims) Huber — 4 images
wormseed wallflower, wormseed mustardErysimum cheiranthoides L. — 15 images
wreath goldenrod, bluestem goldenrod, axillary goldenrodSolidago caesia L. var. caesia — 19 images
yamleaf virginsbowerClematis terniflora DC. — 22 images
yellow bedstrawGalium verum L. ssp. verum — 6 images
yellow birchBetula alleghaniensis Britton — 54 images
yellow catalpa, Chinese catalpaCatalpa ovata G.Don — 6 images
yellow daylilyHemerocallis lilioasphodelus L. — 1 images
yellow flatsedge, nut flatsedgeCyperus esculentus var. leptostachyus Boeck. — 14 images
yellow floating heartNymphoides peltata Gmelin (Kuntze) — 17 images
yellow foxtailSetaria pumila (Poir.) Roemer & J.A.Schultes ssp. pumila — 35 images
yellow goat's beard, meadow goat's beardTragopogon pratensis L. — 2 images
yellow henbit, yellow archangelLamium galeobdolon (L.) L. ssp. galeobdolon — 1 images
yellow hornpoppy, sea poppyGlaucium flavum Crantz — 18 images
yellow irisIris pseudacorus L. — 27 images
yellow ladies' tressesSpiranthes ochroleuca (Rydb.) Rydb. — 6 images
yellow oak, chinquapin oakQuercus muehlenbergii Engelm. — 1 images
yellow pinesap, false beechdropsHypopitys monotropa Crantz — 17 images
yellow screwstem, Virginia screwstemBartonia virginica (L.) B.S.P. — 24 images
yellow sedge, yellow-green sedgeCarex flava L. — 7 images
yellow stargrass, common stargrassHypoxis hirsuta (L.) Cov. — 22 images
yellow sweetcloverMelilotus officinalis (L.) Lam. — 9 images
yellow thistleCirsium horridulum Michx. var. horridulum — 19 images
yellow toadflax, common Eurasian toadflax, butter-and-eggsLinaria vulgaris P.Miller — 16 images
yellow water buttercup, yellow water crowfootRanunculus flabellaris Raf. — 4 images
yellow waterlily, spatterdockNuphar variegata Durand ex Clinton — 44 images
yellow wild indigo, horsefly weedBaptisia tinctoria (L.) R.Br. ex Ait.f. — 19 images
yellow wild lettuce, Canada lettuce, tall lettuceLactuca canadensis L. — 50 images
yellow wood windflower, European buttercup anemoneAnemone ranunculoides L. — 15 images
yellow-and-blue forget-me-not, changing forget-me-notMyosotis discolor Pers. — 2 images
yellow-fruited sedgeCarex annectens (Bickn.) Bickn. — 18 images
yellow-grooved bambooPhyllostachys aureosulcata McClure — 9 images
yellow-seeded false pimpernelLindernia dubia var. anagallidea (Michx.) Cooperrider — 27 images
yellow-seeded riverside linderniaLindernia dubia (L.) Pennell var. dubia — 3 images
yellowwoodCladrastis kentukea (Dum.Cours.) Rudd — 14 images
zigzag goldenrodSolidago flexicaulis L. — 9 images

Generated May 15, 2022, 2:19 p.m.