Plants of Blue Hills Reservation: Illustrated Checklist
As of April 2016, the checklist contains 687 species including 186 non-native (marked *), of which 51 are invasive (marked **)

This is a list of plants photographed in the Blue Hills including species whose images from the Blue Hills remain unpublished. This is not a true checklist, as some common plants may not be included.

Ferns and Allies

Aspleniaceae

Asplenium platyneuron (L.) B.S.P. — ebony spleenwort — photos: [1] [2] [3] — Milton; Randolph.

Asplenium trichomanes L. — maidenhair spleenwort — photos: [1] [2] [3] [4] [5] [6] [7] — Randolph.

Blechnaceae

Woodwardia areolata (L.) T. Moore — netted chain fern — photos: [1] [2] [3] [4] [5] [6] — Randolph.

Woodwardia virginica (L.) Smith — Virginia chain fern — photos: [1] [2] [3] [4] [5] — Canton; Milton.

Dennstaedtiaceae

Dennstaedtia punctilobula (Michaux) T. Moore — hayscented fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Canton; Milton.

Pteridium aquilinum ssp. latiusculum (Desv.) Hulten — bracken fern — photos: [1] [2] [3] [4] — Canton; Milton; Quincy.

Dryopteridaceae

Athyrium filix-femina var. angustum (Willd.) Lawson — northern lady fern — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Randolph.

Cystopteris fragilis (L.) Bernh. — fragile fern — photo: [1] — Randolph.

Cystopteris tenuis (Michaux) Desvaux (fragilis var. mackayi Lawson) — MacKay's fragile fern or brittle fern — photo: [1] — Milton.

Deparia acrostichoides (Swartz) M. Kato (Asplenium acrostichoides Sw.) — silvery spleenwort — photos: [1] [2] [3] [4] [5] [6] — Milton.

Dryopteris campyloptera (Kunze) Clarkson — mountain wood fern — Randolph.

Dryopteris carthusiana (Vill.) H. P. Fuchs (spinulosa (O.F.Mueller) Watt) — spinulose wood fern — photos: [1] [2] [3] [4] [5] [6] — Milton; Quincy; Randolph.

Dryopteris clintoniana (D.C. Eaton ex A. Gray) Dowell — Clinton's wood fern — photos: [1] [2] [3] [4] [5] — Milton; Randolph.

Dryopteris cristata (L.) A. Gray — crested wood fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton; Randolph.

Dryopteris intermedia (Muhl. ex Willd.) A. Gray — intermediate wood fern — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Randolph.

Dryopteris marginalis (L.) A. Gray — marginal wood fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Canton; Milton; Quincy; Randolph.

Dryopteris x boottii (Tuckerman) Underw. (cristata x intermedia ) — Boott's wood fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton.

Dryopteris x slossoniae Wherry ex Lellinger (cristata x marginalis ) — Slosson's wood fern — photos: [1] [2] [3] [4] [5] — Randolph.

Dryopteris x triploidea Wherry (cartusiana x intermedia ) — triploid wood fern — Randolph.

Dryopteris x dowellii (Farw.) Wherry (clintoniana x intermedia ) — — Milton.

Matteuccia struthiopteris (L.) Todaro — ostrich fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] — Milton; Quincy.

Onoclea sensibilis L. — sensitive fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Randolph.

Polystichum acrostichoides (Michaux) Schott — Christmas fern — photos: [1] [2] [3] [4] [5] [6] — Milton; Quincy; Randolph.

Equisetaceae

Equisetum arvense L. — field horsetail, common horsetail — Milton.

Lycopodiaceae

Diphasiastrum digitatum (Dill. ex A. Br.) Holub (Lycopodium digitatum Dill. ex A. Brown) — southern ground-cedar — photo: [1] — Milton; Quincy.

Huperzia lucidula (Michaux) Trev. — shining clubmoss — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton; Randolph.

Lycopodium annotinum L. (Spinulum annotinum (L.) A. Haines) — stiff clubmoss — photo: [1] — Milton.

Lycopodium clavatum L. — running clubmoss, common clubmoss — Randolph.

Lycopodium dendroideum Michaux (Dendrolycopodium dendroideum (Michaux) A.Haines) — northern or round-branched ground-pine — photos: [1] [2] [3] [4] [5] — Canton.

Lycopodium hickeyi W.L. Wagner, Beitel et Moran (Dendrolycopodium hickeyi (Wagner, Beitel et Moran) A. Haines) — Hickey's clubmoss — photos: [1] [2] [3] — Milton.

Lycopodium obscurum L. (Dendrolycopodium obscurum (L.) A. Haines) — princess-pine or tree clubmoss — photos: [1] [2] [3] [4] [5] — Milton; Randolph.

Ophioglossaceae

Botrychium dissectum Sprengel — cut-leaved grape-fern — photos: [1] [2] [3] [4] [5] [6] [7] — Milton; Randolph.

Botrychium oneidense (Gilbert) House (dissectum var. oneidense (Gilbert) Clute) — blunt-lobed grapefern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Milton; Randolph.

Botrychium virginianum (L.) Sw. — rattlesnake-fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton; Quincy; Randolph.

Osmundaceae

Osmunda cinnamomea L. — cinnamon fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton; Randolph.

Osmunda claytoniana L. — interrupted fern — photos: [1] [2] [3] — Quincy; Randolph.

Osmunda regalis L. — royal fern — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton; Milton; Quincy; Randolph.

Polypodiaceae

Polypodium appalachianum Haufler et Windham — Appalachian polypody — photo: [1] [2] — Canton.

Polypodium virginianum L. — rockcap fern or common polypody — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Canton; Milton; Randolph.

Polypodium x incognitum — hybrid polypody — Milton.

Thelypteridaceae

Phegopteris connectilis (Michaux) Watt (Thelypteris phegopteris (L.) Slosson) — narrow beech fern — photo: [1] — Milton.

Phegopteris hexagonoptera (Michaux) Fée — broad beech fern — photos: [1] [2] [3] — Milton.

Thelypteris noveboracensis (L.) Nieuwl. — New York fern — photos: [1] [2] [3] [4] [5] [6] [7] — Milton; Quincy.

Thelypteris palustris Schott — marsh fern — photos: [1] [2] [3] [4] — Canton; Milton.

Thelypteris simulata (Davenport) Nieuwl. — Massachusetts fern — photos: [1] [2] [3] — Randolph.

Conifers

Cupressaceae

Chamaecyparis thyoides (L.) B.S.P. — Atlantic white cedar — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] — Braintree; Canton; Milton; Quincy; Randolph.

Juniperus communis var. depressa Pursh — common juniper, pasture juniper — photos: [1] [2] [3] [4] [5] [6] [7] — Canton.

Juniperus virginiana L. — eastern red cedar — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] — Braintree; Canton; Milton; Quincy.

Pinaceae

* Larix decidua P. Miller — European larch — photos: [1] [2] [3] [4] — Milton; Readville.

** Picea abies (L.) Karst. — Norway spruce — photo: [1] [2] — Canton; Milton; Quincy.

* Picea glauca (Moench) Voss — white spruce — photo: [1] [2] — Milton.

* Picea pungens Engelm. — blue pruce — Milton.

* Pinus resinosa Ait. — red pine — photo: [1] [2] — Canton.

Pinus rigida P. Mill. — pitch pine — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Canton; Milton; Quincy.

Pinus strobus L. — white pine — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] — Canton; Milton; Quincy; Randolph.

* Pseudotsuga menziesii E. Murray — Douglas fir — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton.

Tsuga canadensis (L.) Carr. — eastern hemlock — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Milton; Randolph.

Taxaceae

* Taxus sp. (T. cuspidata, or T. baccata, or their hybrids ) — — photo: [1] — Canton.

Monocots

Alismataceae

Alisma triviale Pursh (plantago-aquatica var. americanum Schultes et Schultes) — larger water-plantain, northern water-plantain — photo: [1] [2] — Canton.

Sagittaria engelmanniana J.G. Small — acid-water arrowhead — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Canton; Milton.

Sagittaria graminea Michaux — grass-leaf arrowhead — photo: [1] — Randolph.

Sagittaria latifolia Willd. — common arrowhead — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton.

Araceae

* Acorus calamus L. — sweetflag — photos: [1] [2] [3] — Braintree; Milton.

Arisaema triphyllum (L.) Schott — Jack-in-the-pulpit — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton; Quincy; Randolph.

Calla palustris L. — water-arum — photo: [1] [2] — Canton.

Peltandra virginica (L.) Schott — arrow-arum — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Canton; Milton; Randolph.

Symplocarpus foetidus (L.) Salisb. ex Nutt. — skunk cabbage — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Milton; Quincy; Randolph.

Cyperaceae

Bulbostylis capillaris (L.) C.B. Clarke — tufted hairsedge — photo: [1] [2] — Braintree; Milton; Quincy.

Carex albicans var. emmonsii J. Rettig (emmonsii Dewey ex Torrey) — Emmons' sedge — photos: [1] [2] [3] — Canton; Milton.

Carex annectens (Bickn.) Bickn. — yellow-fruited fox sedge — photos: [1] [2] [3] [4] [5] [6] — Quincy.

Carex argyrantha Tuckermann — silvery sedge — photos: [1] [2] [3] [4] [5] — Milton; Quincy; Randolph.

Carex atlantica ssp. capillacea (Bailey) Reznicek (howei Mackenzie) — threadstem sedge — photos: [1] [2] [3] [4] — Canton; Quincy; Randolph.

Carex billingsii (Knight) C.D. Kirschbaum (trisperma var. billingsii Knight) — three-seeded bog sedge — photos: [1] [2] [3] [4] [5] [6] — Canton.

Carex bromoides Schkuhr ex Willd. — brome-like sedge — photos: [1] [2] [3] [4] [5] — Randolph.

Carex bullata Schkuhr ex Willd. — button sedge — photo: [1] — Milton.

Carex canescens ssp. disjuncta (Fern.) Toivonen — silvery bog sedge — photos: [1] [2] [3] [4] [5] — Canton.

Carex comosa Boott — bristly sedge — photos: [1] [2] [3] [4] — Canton.

Carex crawfordii Fernald — Crawford's sedge — Canton; Milton.

Carex crinita Lam. — fringed sedge — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy.

Carex digitalis Willd. — slender wood sedge — photos: [1] [2] [3] — Quincy.

Carex folliculata L. — long-culmed sedge — photos: [1] [2] [3] [4] — Canton; Milton; Randolph.

Carex haydenii Dewey — Hayden's sedge — photos: [1] [2] [3] [4] [5] [6] — Milton.

Carex intumescens Rudge — bladder or swamp sedge — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Carex lacustris Willd. — marsh sedge, lakeside sedge — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Canton; Milton.

Carex lasiocarpa var. americana Fern. — slender woolly-fruited sedge — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Carex laxiculmis Schwein. — spreading woodland sedge — photo: [1] — Quincy.

Carex laxiflora Lam. — loose-flowered woodland sedge — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] — Canton; Milton; Randolph.

Carex leptonervia (Fern.) Fern. — one-nerved woodland sedge — Quincy.

Carex lupulina Muhl. ex Willd. — hop sedge — photo: [1] — Canton; Milton.

Carex lurida Wahlenb. — sallow sedge — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy; Randolph.

Carex pallescens L. — pale sedge — photos: [1] [2] [3] [4] [5] — Quincy.

Carex pensylvanica Lam. — Pennsylvania sedge — photo: [1] — Canton; Milton; Quincy; Randolph.

Carex radiata (Wahlenb.) Small — star sedge — Milton.

Carex rosea Schkuhr ex Willd. — big star sedge — photos: [1] [2] [3] [4] — Canton; Milton; Randolph.

Carex scoparia Schkuhr ex Willd. — broom sedge — Canton; Milton; Quincy.

Carex stipata Muhl. ex Willd. — awl-fruited sedge — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Randolph.

Carex straminea Willd. ex Schkuhr — straw sedge — photos: [1] [2] [3] [4] — Milton.

Carex stricta Lam. — tussock sedge — photos: [1] [2] [3] [4] [5] — Canton; Milton.

Carex swanii (Fern.) Mackenzie — Swan's sedge — photo: [1] [2] — Milton.

Carex tribuloides Wahlenb. — blunt broom sedge — photo: [1] — Canton; Milton; Quincy.

Carex trisperma Dewey — three-seeded sedge — photos: [1] [2] [3] [4] — Canton.

Carex umbellata Schkuhr ex Willd. — parasol sedge — photos: [1] [2] [3] — Quincy.

Carex utriculata Boott (rostrata var. utriculata (Boott) Bailey) — bottle sedge — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton.

Carex vestita Willd. — velvet-fruited sedge — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Milton; Quincy.

Carex virescens Muhl. ex Willd. — ribbed sedge — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Quincy; Randolph.

Carex vulpinoidea Michaux (setacea Dewey) — fox sedge — photos: [1] [2] [3] [4] — Canton; Milton.

Cladium mariscoides (Muhl.) Torrey — twig-sedge — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Canton.

Cyperus bipartitus Torrey (rivularis Kunth) — shining flatsedge — photos: [1] [2] [3] [4] [5] [6] [7] — Randolph.

Cyperus dentatus Torrey — pondshore flatsedge — Randolph.

Cyperus lupulinus (Spreng.) Marcks (filiculmis Vahl) — slender sand flatsedge — photo: [1] — Milton.

Cyperus strigosus L. — straw-colored flatsedge — photo: [1] [2] — Milton.

Dulichium arundinaceum (L.) Britton — three-way sedge — photos: [1] [2] [3] — Milton.

Eleocharis elliptica Kunth — orange-fruited spike-rush — photos: [1] [2] [3] — Milton.

Eleocharis obtusa (Willd.) J.A. Schultes — soft-stemmed spike-rush — photos: [1] [2] [3] — Canton; Milton; Quincy.

Eleocharis palustris (L.) Roem. et Schultes — marsh spike-rush — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton.

Eriophorum virginicum L. — Virginia cotton-grass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton.

Rhynchospora alba (L.) Vahl — white beak-rush — photo: [1] [2] — Canton.

Rhynchospora capitellata (Michx.) Vahl — brown beak-rush — photo: [1] [2] — Canton.

Scirpus acutus Muhl. ex Bigelow (Schoenoplectus acutus (Muhl. ex Bigel.) A. et D. Love) — hard-stemmed bulrush — Readville.

Scirpus atrovirens var. georgianus (Harper) Fern. (georgianus Harper) — black bulrush — photos: [1] [2] [3] [4] [5] — Milton; Quincy.

Scirpus cyperinus (L.) Kunth — common bulrush — photo: [1] [2] — Dedham; Milton; Quincy; Readville.

Scirpus expansus Fern. — spreading bulrush — photos: [1] [2] [3] [4] — Dedham.

Scirpus longii Fernald — Long's bulrush — photo: [1] [2] — Dedham.

Scirpus microcarpus J. et K. Presl (rubrotinctus Fern.) — red-stemmed bulrush — Milton.

Scirpus pungens Vahl. (americanus auct. non Pers.) — common threesquare — photo: [1] — Randolph.

Scirpus tabernaemontani K.C. Gmelin (Schoenoplectus tabernaemontani (K.C. Gmelin) Pallas) — soft-stemmed bulrush — photos: [1] [2] [3] [4] — Milton; Readville.

Scirpus verecundus Fern. (Trichophorum planifolium (Spreng.) Palla) — woodland bulrush — Quincy.

Eriocaulaceae

Eriocaulon aquaticum (Hill) Druce (septangulare With.) — pipewort, white buttons — photo: [1] [2] — Canton.

Hydrocharitaceae

Elodea canadensis Michaux — northern waterweed — photo: [1] — Randolph.

Vallisneria americana Michaux — tapegrass, water celery — Randolph.

Iridaceae

** Iris pseudacorus L. — yellow iris — Canton.

* Iris sibirica L. — Siberian iris — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Quincy.

Iris versicolor L. — northern blueflag — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy.

Sisyrinchium angustifolium P. Miller — stout blue-eyed-grass — photos: [1] [2] [3] — Canton; Milton.

Juncaceae

Juncus bufonius L. — toad rush — photos: [1] [2] [3] — Milton.

Juncus canadensis Gay ex LaHarpe — marsh or Canada rush — photos: [1] [2] [3] — Canton; Milton; Randolph.

Juncus greenei Oakes et Tuckerman — Greene's rush — photo: [1] — Quincy.

Juncus militaris Bigelow — bayonet rush — Randolph.

Juncus pelocarpus E. Meyer — pondshore rush — Canton.

Juncus tenuis Willd. — path rush, yard rush — Milton; Quincy.

Luzula multiflora (Retz.) Lej. — common woodrush — photo: [1] — Milton.

Lemnaceae

Lemna minor L. — duckweed — photo: [1] — Canton; Quincy.

Liliaceae

Clintonia borealis (Aiton) Ref. — bluebead lily — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] — Canton; Randolph.

** Convallaria majalis L. — lily-of-the-valley — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy.

Erythronium americanum Ker-Gawler — trout-lily — photos: [1] [2] [3] [4] — Milton.

* Hemerocallis fulva (L.) L. — orange daylily — photo: [1] [2] — Canton; Milton; Quincy.

* Hosta sp. — hosta — Readville.

Hypoxis hirsuta (L.) Cov. — yellow stargrass — photo: [1] [2] — Quincy.

Lilium canadense L. — Canada lily, wild yellow lily — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Milton.

Maianthemum canadense Desf. — Canada mayflower — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Randolph.

Medeola virginiana L. — Indian cucumber-root — photos: [1] [2] [3] [4] — Canton; Milton; Randolph.

* Muscari botryoides (L.) P.Miller — grape-hyacinth — photo: [1] [2] — Quincy.

* Narcissus pseudonarcissus L. — daffodil — Milton; Quincy.

Polygonatum pubescens (Willd.) Pursh — Solomon's seal — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Randolph.

* Scilla sibirica Haw. — Siberian squill — photo: [1] — Canton.

Smilacina racemosa (L.) Desf. (Maianthemum racemosum (L.) Link) — false Solomon's seal — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy; Randolph.

Trillium cernuum L. — nodding trillium — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton.

Uvularia sessilifolia L. — little merrybells — photos: [1] [2] [3] [4] [5] — Milton; Randolph.

Veratrum viride Aiton — false hellebore — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Milton.

Orchidaceae

Calopogon tuberosus (L.) B.S.P. — grass-pink — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton.

Cypripedium acaule Aiton — pink lady's slipper — Canton.

* Epipactis helleborine (L.) Crantz — helleborine — photos: [1] [2] [3] [4] [5] [6] [7] — Braintree; Canton; Milton.

Goodyera pubescens (Willd.) R. Br. — downy rattlesnake-plantain — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Randolph.

Isotria verticillata (Willd.) Raf. — large whorled pogonia — Quincy.

Platanthera clavellata (Michaux) Luer (Habenaria clavellata (Michaux) Sprengel) — green woodland orchid — photos: [1] [2] [3] — Milton; Quincy.

Platanthera grandiflora (Bigelow) Lindley (Habenaria fimbriata (Aiton) R. Br.) — large purple fringed orchid — photo: [1] — Milton.

Poaceae

Agrostis perennans (Walter) Tuckerman — upland bentgrass — photos: [1] [2] [3] [4] [5] — Milton.

Andropogon gerardii Vitman — big bluestem — photos: [1] [2] [3] [4] [5] [6] — Canton; Quincy.

Andropogon virginicus L. — Virginia broomsedge — photos: [1] [2] [3] [4] [5] — Milton.

* Anthoxanthum odoratum L. — sweet vernalgrass — photo: [1] — Canton; Quincy.

Aristida dichotoma Michaux — poverty grass — photo: [1] [2] — Milton.

Brachyelytrum septentrionale (Babel) G. Tucker (aristosum (Michaux) Trel.) — woodgrass — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy.

* Briza maxima L. — big quaking grass — photos: [1] [2] [3] — Quincy.

Calamagrostis canadensis (Michaux) Beauv. — Canada bluejoint — photos: [1] [2] [3] [4] [5] — Canton; Milton.

Cinna arundinacea L. — common woodreed — photos: [1] [2] [3] [4] — Canton; Quincy.

* Dactylis glomerata L. — orchard grass — photo: [1] — Milton.

Danthonia compressa Austin ex Peck — trail oatgrass — photos: [1] [2] [3] — Quincy.

Deschampsia flexuosa (L.) Trin. — common hairgrass — photos: [1] [2] [3] [4] — Quincy.

Dichanthelium acuminatum var. fasciculatum (Torrey) Freckmann (Panicum lanuginosum Ell.) — fascicled panic grass — photo: [1] — Quincy.

Dichanthelium boreale (Nash) Freckmann — northern panic grass — Milton.

Dichanthelium clandestinum (L.) Gould (Panicum clandestinum L.) — deertongue — photo: [1] — Canton; Milton.

Dichanthelium latifolium (L.) Gould et Glark — broad-leaved panic-grass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton; Randolph.

Dichanthelium linearifolium (Scribner) Gould (Panicum linearifolium Scribner) — linear-leaved panic grass — photo: [1] — Quincy.

Dichanthelium sphaerocarpon (Ell.) Gould — round-fruited panic grass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Canton; Milton.

* Digitaria sanguinalis (L.) Scop. — large crabgrass — photos: [1] [2] [3] [4] [5] — Quincy.

* Digitaria violascens Link (ischaemum var. violascens (Link) Radford) — violet crabgrass — photos: [1] [2] [3] — Braintree.

* Echinochloa crus-galli (L.) Beauv. — barnyard grass — photos: [1] [2] [3] — Milton; Quincy.

* Echinochloa frumentacea (Roxb.) Link (Echinochloa crus-galli var. frumentacea (Link) W.F.Wight) — Japanese millet — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Milton.

Elymus virginicus L. — wild rye — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton.

Eragrostis spectabilis (Pursh) Steudel — purple lovegrass — photo: [1] — Milton.

** Festuca filiformis Pourret — hair fescue — photo: [1] — Canton.

Glyceria canadensis (Michaux) Trin. — rattlesnake grass — Canton.

Glyceria grandis S. Watson (Glyceria maxima ssp. grandis (S. Watson) Hulten) — — photo: [1] [2] — Milton.

Glyceria obtusa (Muhl.) Trin. — coastal mannagrass — photos: [1] [2] [3] [4] [5] [6] — Braintree; Canton.

Glyceria septentrionalis A.S. Hitchc. — eastern floatgrass — photos: [1] [2] [3] — Canton.

Glyceria striata (Lam.) A. S. Hitche — fowlmeadow grass — photos: [1] [2] [3] — Canton; Milton; Randolph.

* Holcus lanatus L. — velvet grass — photo: [1] — Milton.

Leersia oryzoides (L.) Sw. — rice cutgrass — photos: [1] [2] [3] [4] [5] — Canton.

Leersia virginica Willd. — white cutgrass — photos: [1] [2] [3] — Canton; Milton; Quincy; Randolph.

** Microstegium vimineum (Trin.) A. Camus (Eulalia viminea (Trin.) Kuntze) — Japanese stiltgrass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton; Quincy; Randolph.

Oryzopsis asperifolia Michaux — spreading ricegrass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Quincy.

Panicum virgatum L. — switchgrass — photos: [1] [2] [3] — Milton.

** Phalaris arundinacea L. — reed canarygrass — photos: [1] [2] [3] — Canton.

* Phleum pratense L. — timothy — photos: [1] [2] [3] — Milton; Quincy.

** Phragmites altissimus (Benth.) Mabille (australis ssp. altissimus (Benth.) Clayton) — — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy; Readville.

** Phragmites australis (Cav.) Trin. ex Steudel — common reed — photo: [1] [2] — Canton; Milton.

Piptochaetium avenaceum (L.) Parodi (Stipa avenacea L.) — black oatgrass — photos: [1] [2] [3] [4] [5] — Quincy.

* Poa annua L. — annual bluegrass — photo: [1] — Canton.

* Poa bulbosa L. — bulbous bluegrass — photos: [1] [2] [3] [4] — Milton.

* Poa nemoralis L. — woodland bluegrass — photos: [1] [2] [3] [4] [5] — Canton.

Poa palustris L. — fowl-meadow grass — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

* Poa pratensis L. — June grass — Canton; Milton.

* Poa trivialis L. — rough bluegrass — photos: [1] [2] [3] [4] [5] — Canton.

Schizachyrium scoparium (Michaux) Nash — little bluestem — photo: [1] [2] — Milton; Quincy.

Setaria parviflora (Poiret) Kerguelen — bristly foxtail — photos: [1] [2] [3] [4] — Milton.

* Setaria pumila (Poir.) Roemer et J.A. Schultes (glauca auct., non (L.) Beauv.) — yellow foxtail — photos: [1] [2] [3] — Milton.

Sorghastrum nutans (L.) Nash — Indian grass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton; Quincy.

Spartina pectinata Link — freshwater or prairie cordgrass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton; Milton; Readville.

Torreyochloa pallida (Torrey) Church (Glyceria pallida (Torrey) Trin.) — pale mannagrass — photo: [1] — Milton.

Torreyochloa pallida var. fernaldii (A.S. Hitchc.) Dore ex Koyama et Kawano (Glyceria fernaldii (A.S. Hitchc.) St. John) — slender mannagrass — Randolph.

Pontederiaceae

Pontederia cordata L. — pickerelweed — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Randolph.

Potamogetonaceae

Potamogeton epihydrus Raf. — surface pondweed, ribbonleaf pondweed — photos: [1] [2] [3] [4] [5] [6] — Randolph.

Potamogeton natans L. — floating pondweed — photo: [1] [2] — Randolph.

Potamogeton oakesianus Robbins — Oakes' pondweed — photo: [1] — Milton.

Potamogeton spirillus Tuckerman — northern snailseed pondweed — photos: [1] [2] [3] [4] — Randolph.

Scheuchzeriaceae

Scheuchzeria palustris L. — pod-grass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Canton.

Smilacaceae

Smilax glauca Walter — sawbrier, wild sarsaparilla — photo: [1] [2] — Milton.

Smilax herbacea L. — carrion-flower — photos: [1] [2] [3] [4] — Canton; Milton; Randolph.

Smilax rotundifolia L. — catbrier, bullbrier — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton.

Sparganiaceae

Sparganium americanum Nutt. — common bur-reed — photos: [1] [2] [3] — Canton; Milton; Quincy.

Sparganium erectum L. (chlorocarpum Rydb.) — green-fruited bur-reed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Canton; Milton.

Sparganium eurycarpum Engelm. ex A. Gray — giant bur-reed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton; Readville.

Typhaceae

Typha angustifolia L. — narrow-leaved cattail — Quincy.

Typha latifolia L. — broad-leaved cattail — photos: [1] [2] [3] — Milton; Quincy.

Xyridaceae

Xyris difformis Chapman — bog yellow-eyed grass — photos: [1] [2] [3] — Canton.

Xyris torta Small — twisted yellow-eyed grass — photos: [1] [2] [3] [4] [5] — Canton.

Dicots

Aceraceae

* Acer pensylvanicum L. — striped maple — photos: [1] [2] [3] [4] [5] — Milton.

** Acer platanoides L. — Norway maple — photos: [1] [2] [3] [4] [5] — Canton; Milton; Randolph.

** Acer pseudoplatanus L. — sycamore maple — photo: [1] [2] — Quincy.

Acer rubrum L. — red maple — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] — Canton; Milton; Quincy; Randolph; Readville.

Acer saccharum Marsh. — sugar maple — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Quincy.

Amaranthaceae

* Froelichia gracilis (Hooker) Moq. — slender cottonweed — photo: [1] [2] — Randolph.

Anacardiaceae

* Rhus aromatica Aiton — fragrant sumac — photos: [1] [2] [3] [4] — Milton; Quincy.

Rhus copallina L. — flameleaf sumac, winged sumac — photo: [1] [2] — Milton.

Rhus typhina L. (R. hirta (L.) Sudworth) — staghorn sumac — photos: [1] [2] [3] [4] — Milton.

Toxicodendron radicans (L.) Kuntze (Rhus radicans L.) — poison ivy — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Canton; Milton; Quincy.

Toxicodendron vernix (L.) Kuntze (Rhus vernix L.) — poison sumac — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy; Randolph.

Apiaceae

** Aegopodium podagraria L. — goutweed — photos: [1] [2] [3] — Canton; Quincy.

** Anthriscus sylvestris (L.) Hoffmann — chervil — photos: [1] [2] [3] [4] — Milton.

Cicuta bulbifera L. — bulblet water-hemlock — photos: [1] [2] [3] [4] [5] — Canton; Milton.

Cicuta maculata L. — water-hemlock — photos: [1] [2] [3] [4] [5] [6] [7] — Milton; Quincy.

* Daucus carota L. — Queen Anne's lace — Milton.

Hydrocotyle americana L. — swamp pennywort, woodland pennywort — photos: [1] [2] [3] [4] — Milton; Quincy; Randolph.

Hydrocotyle umbellata L. — pondshore pennywort — photos: [1] [2] [3] [4] [5] [6] — Randolph.

* Pastinaca sativa L. — wild parsnip — photos: [1] [2] [3] [4] [5] [6] [7] — Milton.

Sium suave Walter — water parsnip — photo: [1] [2] — Dedham; Milton; Randolph.

Apocynaceae

Apocynum androsaemifolium L. — spreading dogbane — photo: [1] [2] — Canton; Milton.

Apocynum cannabinum L. — Indian hemp — photo: [1] — Canton.

** Vinca minor L. — periwinkle — photo: [1] — Canton.

Aquifoliaceae

* Ilex crenata Thunb. — Japanese holly — photos: [1] [2] [3] [4] — Canton.

Ilex verticillata (L.) Gray — common winterberry — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy.

Nemopanthus mucronatus (L.) Loes. (Ilex mucronata (L.) M. Powell, Savol. et S. Andrews) — catberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Canton.

Araliaceae

* Aralia elata (Miq.) Seem. — Japanese angelica tree — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Milton.

Aralia hispida Vent. — bristly sarsaparilla — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy.

Aralia nudicaulis L. — wild sarsaparilla — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Milton; Randolph.

* Eleutherococcus pentaphyllus (Sieb. et Zucc.) Nakai (Aralia pentaphylla Sieb. et Zucc.) — five-leaved aralia — photos: [1] [2] [3] [4] — Milton.

** Kalopanax septemlobus Koidzumi (K. pictus (Thunb.) Nakai) — castor aralia — photo: [1] — Canton; Milton.

Panax trifolius L. — dwarf ginseng — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton; Randolph.

Asclepiadaceae

Asclepias exaltata L. — tall milkweed — photos: [1] [2] [3] [4] [5] [6] [7] — Quincy.

Asclepias incarnata ssp. pulchra (Ehrh. ex Willd.) Woodson — downy swamp milkweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Dedham; Milton; Readville.

Asclepias syriaca L. — common milkweed — photos: [1] [2] [3] — Milton.

Asclepias tuberosa L. — butterfly milkweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Milton.

** Cynanchum louiseae Kartez et Ghandi (nigrum (L.) Pers.) — black swallowwort — photos: [1] [2] [3] [4] — Milton.

Asteraceae

Ageratina altissima (L.) King et H.E.Robinson (Eupatorium rugosum Houtt.) — white snakeroot — photos: [1] [2] [3] [4] [5] [6] — Milton.

Ambrosia artemisiifolia L. — annual ragweed — photo: [1] [2] — Canton; Milton.

Antennaria plantaginifolia (L.) Richardson — plantain-leaved pussytoes — Canton; Milton.

* Arctium minus Bernh. — lesser or common burdock — photo: [1] [2] — Milton.

** Artemisia vulgaris L. — common wormwood, mugwort — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Aster acuminatus Michaux (Oclemena acuminata (Michx.) Greene 1903) — whorled wood aster — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Randolph.

Aster cordifolius Michaux (Symphyotrichum cordifolium G.L.Nesom 1994) — blue heart-leaf aster — photo: [1] [2] — Canton; Randolph.

Aster divaricatus L. (Eurybia divaricata (L.) G.L.Nesom 1994) — white wood aster — photos: [1] [2] [3] [4] — Canton; Milton; Quincy; Randolph.

Aster lanceolatus Willd. (Symphyotrichum lanceolatum Nesom 1994) — tall white aster, panicled aster — Canton.

Aster lateriflorus (L.) Britton (Symphyotrichum lateriflorum (L.) A. et D. Löve 1982) — calico aster — photo: [1] — Milton.

Aster macrophyllus L. (Eurybia macrophylla (L.) Cassini 1825) — large-leaved aster — Milton.

Aster novae-angliae L. (Symphyotrichum novae-angliae Nesom 1994) — New England aster — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Aster novi-belgii L. (Symphyotrichum novi-belgii (L.) Nesom 1994) — New York aster — photos: [1] [2] [3] [4] [5] — Canton; Milton.

Aster patens Ait. (Symphyotrichum patens (Ait.) Nesom 1994) — clasping aster, skydrops — photo: [1] — Randolph.

Aster pilosus Willd. (Symphyotrichum pilosum (Willd.) Nesom) — white oldfield aster — photo: [1] [2] — Canton; Milton.

Aster racemosus Ell. (Symphyotrichum racemosum Nesom 1994) — smooth white oldfield aster — Milton.

Aster umbellatus P. Miller (Doellingeria umbellata (Mill.) Nees 1832) — tall flat-topped white aster — photo: [1] [2] — Milton.

Aster undulatus L. (Symphyotrichum undulatum (L.) Nesom 1994) — clasping hartleaf aster — photos: [1] [2] [3] — Randolph.

Bidens connata Muhl. ex Willd. — swamp beggar-ticks — photos: [1] [2] [3] [4] — Canton.

Bidens coronata (L.) Britton — northern tickseed sunflower — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Canton; Milton.

Bidens frondosa L. — beggar-ticks — Canton; Milton.

* Centaurea nigrescens Willd. (vochinensis Bernh. ex Reichenb.) — Wocheiner knapweed — photos: [1] [2] [3] [4] — Canton.

** Centaurea stoebe ssp. micranthos (Gugler) Hayek (maculosa auct.) — spotted or bushy knapweed — photo: [1] [2] — Canton.

* Cichorium intybus L. — chicory — Milton.

* Cirsium vulgare (Savi) Ten. — bull thistle — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton; Quincy; Readville.

Conyza canadensis (L.) Cronq. (Erigeron canadensis L.) — horseweed, hogweed — Quincy.

* Doronicum pardalianches L. — great leopard's bane — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton.

Erechtites hieracifolius (L.) Raf. ex DC. — fireweed, pilewort — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton; Quincy.

Erigeron annuus (L.) Pers. — eastern daisy fleabane — photo: [1] [2] — Canton; Milton.

Erigeron philadelphicus L. — Philadelphia fleabane — photos: [1] [2] [3] — Milton.

Erigeron pulchellus Michaux — robin's plantain fleabane — Milton.

Eupatorium dubium Willd. ex Poiret (Eutrochium dubium (Willd. ex Poir.) E.E. Lamont) — Atlantic Joe-Pye-weed — photo: [1] [2] — Milton.

Eupatorium fistulosum Barratt (Eutrochium fistulosum (Barratt) E.E. Lamont) — hollow-stemmed Joe-Pye-weed — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Readville.

Eupatorium maculatum L. (Eutrochium maculatum (L.) E.E. Lamont) — spotted Joe-Pye-weed — Canton.

Eupatorium perfoliatum L. — boneset, thoroughwort — photos: [1] [2] [3] — Canton; Milton; Quincy.

Eupatorium purpureum L. (Eutrochium purpureum (L.) E.E. Lamont) — sweet Joe-Pye-weed — Milton.

Eupatorium rotundifolium var. ovatum (Bigelow) Torrey (pubescens Muhl. ex Willd.) — hairy boneset — photo: [1] [2] — Milton.

Euthamia caroliniana (L.) Greene ex Port. et Britt. (Solidago tenuifolia Pursh) — coastal plain slender goldenrod — Milton.

Euthamia graminifolia (L.) Nutt. (Solidago graminifolia (L.) Salisb.) — common flat-topped goldenrod — photo: [1] — Milton.

Gnaphalium obtusifolium L. (Pseudognaphalium obtusifolium (L.) Hilliard et Burtt) — sweet everlasting, fragrant cudweed — photos: [1] [2] [3] — Milton.

* Helenium flexuosum Raf. (nudiflorum Nutt.) — winged sneezeweed — photo: [1] [2] — Canton.

Helianthus divaricatus L. — woodland sunflower — photo: [1] [2] — Milton.

Hieracium paniculatum L. — woodland hawkweed — photo: [1] [2] — Quincy.

* Hieracium pilosella L. — mouse-ear hawkweed — photos: [1] [2] [3] — Milton.

** Hieracium pratense Tausch (H. caespitosum Dumort.) — king-devil, meadow hawkweed — photo: [1] — Milton.

* Hieracium sabaudum L. (canadense hort. Goett ex Froel.) — Savoy hawkweed, Canada hawkweed — photos: [1] [2] [3] [4] [5] — Canton; Milton.

Hieracium venosum L. — rattlesnake weed — photo: [1] — Quincy; Randolph.

** Hypochaeris radicata L. — hairy cat's-ear — photos: [1] [2] [3] — Milton.

Krigia virginica (L.) Willd. — dwarf dandelion — photo: [1] — Quincy.

* Lactuca serriola L. — prickly lettuce — Canton.

* Lapsana communis L. — nipplewort — photos: [1] [2] [3] — Canton.

* Leontodon autumnalis L. (Scorzoneroides autumnalis (L.) Moench) — fall dandelion — photos: [1] [2] [3] [4] [5] [6] [7] — Milton.

* Leucanthemum vulgare Lam. — oxeye daisy — photos: [1] [2] [3] — Milton.

Mikania scandens (L.) Willd. — climbing hempvine — photos: [1] [2] [3] [4] [5] [6] — Braintree; Milton.

Prenanthes altissima L. (Nabalus altissimus (L.) Hooker) — tall rattlesnake-root — photo: [1] — Canton.

Prenanthes trifoliolata (Cass.) Fern. (Nabalus trifoliolatus Cass.) — tall rattlesnake-root, gall-of-the-earth — Milton.

* Rudbeckia hirta var. pulcherrima Farw. — black-eyed Susan — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Quincy.

Senecio aureus L. (Packera aurea (L.) A. et D. Love) — golden ragwort — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Milton; Quincy; Randolph.

Sericocarpus linifolius (L.) B.S.P. (Aster solidagineus Michaux) — narrow-leaved white-topped aster — Quincy.

Solidago altissima L. (canadensis var. scabra Torr. et Gray) — tall goldenrod — photos: [1] [2] [3] — Milton.

Solidago caesia L. — wreath goldenrod, bluestem goldenrod — photos: [1] [2] [3] [4] — Canton; Milton.

Solidago canadensis L. — Canada goldenrod — photos: [1] [2] [3] [4] — Milton.

Solidago flexicaulis L. — zigzag goldenrod — photo: [1] — Milton.

Solidago gigantea Aiton — smooth goldenrod, late goldenrod — Canton.

* Taraxacum officinale G.H. Weber ex Wiggers — common dandelion — photos: [1] [2] [3] [4] — Canton.

* Tragopogon dubius Scop. (major Jacq.) — pale goat's beard — photo: [1] — Milton.

** Tussilago farfara L. — coltsfoot — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Canton; Milton; Quincy.

* Vernonia fasciculata Michaux — prairie ironweed — Canton; Quincy.

Balsaminaceae

Impatiens capensis Meerb. — jewelweed — photos: [1] [2] [3] [4] [5] — Milton.

Berberidaceae

** Berberis thunbergii DC. — Japanese barberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Canton; Milton; Randolph.

** Berberis vulgaris L. — common barberry — photo: [1] [2] — Milton.

Betulaceae

Alnus rugosa (Du Roi) Spreng. — speckled alder — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Readville.

Alnus serrulata (Ait.) Willd. — smooth alder, common alder — photos: [1] [2] [3] — Quincy.

Betula alleghaniensis Britt. (lutea Michx.) — yellow birch — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] — Milton; Quincy; Randolph.

Betula lenta L. — sweet birch, cherry birch, black birch — photos: [1] [2] [3] [4] — Milton.

Betula nigra L. — river birch — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton.

Betula papyrifera Marsh. — paper birch — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Quincy.

Betula populifolia Marsh. — gray birch — photos: [1] [2] [3] [4] [5] [6] — Braintree; Canton; Milton; Quincy; Randolph; Readville.

Carpinus caroliniana Walter — ironwood, hornbeam — photos: [1] [2] [3] [4] — Milton.

Corylus americana Walt. — American hazelnut — photo: [1] — Canton.

Corylus cornuta Marsh. — beaked hazelnut — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Canton; Milton; Quincy; Randolph.

Ostrya virginiana (P. Mill.) K. Koch — eastern hop-hornbeam — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy.

Bignoniaceae

* Campsis radicans (L.) Seemann ex Bureau — trumpet creeper — photos: [1] [2] [3] [4] — Canton; Quincy.

* Catalpa bignonioides Walter — southern catalpa — photo: [1] — Milton.

Boraginaceae

Myosotis laxa Lehm. — bay forget-me-not — photos: [1] [2] [3] [4] [5] — Milton.

Brassicaceae

** Alliaria petiolata (Bieb.) Cavara et Grande (officinalis Andrz.) — garlic mustard — photos: [1] [2] [3] [4] [5] — Canton; Milton; Randolph.

* Arabidopsis thaliana (L.) Heynh. — mouse-ear cress — photo: [1] [2] — Quincy.

* Barbarea vulgaris R. Br. — yellow rocket — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy.

* Capsella bursa-pastoris (L.) Medicus — shepherd's purse — photo: [1] [2] — Quincy.

Cardamine bulbosa (Schreb. ex Muhl.) B.S.P. — bulbous bittercress, spring cress — photos: [1] [2] [3] — Milton.

* Cardamine flexuosa With. — greater bittercress — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Quincy; Randolph.

* Cardamine hirsuta L. — hairy rock-cress, hoary bittercress — Canton.

** Hesperis matronalis L. — dame's rocket — photo: [1] — Milton; Quincy.

* Lepidium campestre (L.) Aiton f. — field cress, cow cress — photos: [1] [2] [3] — Milton.

* Lepidium ruderale L. — narrow-leaved peppergrass — Quincy.

Lepidium virginicum L. — Virginia pepperweed — photos: [1] [2] [3] [4] — Milton.

* Nasturtium officinale Ait. f. (Rorippa nasturtium-aquaticum (L.) Hayek) — watercress — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Randolph.

Buxaceae

* Pachysandra terminalis Sieb. et Zucc. — Japanese spurge — photos: [1] [2] [3] [4] [5] [6] — Canton; Randolph.

Cabombaceae

Brasenia schreberi J.F. Gmel. — watershield — photo: [1] — Milton.

** Cabomba caroliniana A. Gray — Carolina fanwort — photos: [1] [2] [3] [4] [5] [6] — Canton.

Callitrichaceae

* Callitriche stagnalis Scop. — water chickweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Canton; Milton; Quincy; Randolph.

Campanulaceae

** Jasione montana L. — sheep's bit — Milton.

Lobelia cardinalis L. — cardinalflower — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton; Quincy; Randolph.

Lobelia inflata L. — Indian tobacco — photos: [1] [2] [3] [4] [5] — Milton; Randolph.

Cannabaceae

* Cannabis sativa L. — marijuana, hemp — photo: [1] [2] — Randolph.

Caprifoliaceae

Diervilla lonicera L. — bush-honeysuckle — photos: [1] [2] [3] — Canton; Milton.

** Lonicera japonica Thunb. — Japanese honeysuckle — photos: [1] [2] [3] [4] [5] [6] [7] — Canton.

** Lonicera morrowii A. Gray — Morrow's honeysuckle — photo: [1] — Canton; Milton.

Lonicera sempervirens L. — trumpet honeysuckle — photos: [1] [2] [3] [4] [5] [6] [7] — Milton; Quincy.

Sambucus canadensis L. — common elderberry — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy; Readville.

Viburnum acerifolium L. — maple-leaf viburnum — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton; Quincy; Randolph.

Viburnum dentatum var. lucidum Ait. (recognitum Fern.) — northern arrowwood — photos: [1] [2] [3] — Canton; Milton.

* Viburnum dilatatum Thunb. — linden viburnum — photo: [1] — Quincy.

Viburnum lentago L. — nannyberry, sweet viburnum — photos: [1] [2] [3] [4] — Canton; Milton.

Viburnum nudum var. cassinoides (L.) Torr. et Gray (cassinoides L.) — wild raisin, witherod — photo: [1] — Milton; Randolph.

* Viburnum opulus L. — European highbush cranberry, guelder-rose — Milton; Quincy.

Caryophyllaceae

* Arenaria serpyllifolia L. — thyme-leaved sandwort — photo: [1] — Canton.

* Cerastium fontanum ssp. vulgare (Hartman) Greuter et Burdet (vulgatum L.) — common mouse-ear chickweed — photo: [1] — Canton; Milton.

* Lychnis flos-cuculi L. — ragged robin — photos: [1] [2] [3] [4] [5] — Quincy.

Moehringia lateriflora (L.) Fenzl (Arenaria lateriflora L.) — grove sandwort — photo: [1] — Canton.

Paronychia canadensis (L.) A. Wood — forked chickweed — photos: [1] [2] [3] [4] [5] [6] — Canton.

* Sagina procumbens L. — matted pearlwort, birdseye — Milton.

* Spergularia rubra (L.) J. et K. Presl — common sand spurrey — photos: [1] [2] [3] — Milton.

* Stellaria graminea L. — field stitchwort — photos: [1] [2] [3] — Milton.

Stellaria longifolia Muhl. ex Willd. — long-leaved starwort — photo: [1] [2] — Canton.

* Stellaria media (L.) Vill. — common chickweed — photo: [1] [2] — Canton; Quincy; Randolph.

Celastraceae

** Celastrus orbiculatus Thunb. — Oriental bittersweet, Asian bittersweet — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Canton; Milton; Quincy.

** Euonymus alata (Thunb.) Sieb. — winged spindletree, burning bush — Canton.

* Euonymus sachalinensis (Fr. Schmidt) Maxim. — Sakhalin spindletree — photo: [1] [2] — Canton.

Cistaceae

Helianthemum canadense (L.) Michx. (Crocanthemum canadense (L.) Britton) — longbranch frostweed — photos: [1] [2] [3] [4] [5] [6] [7] — Milton.

Hudsonia ericoides L. — pinebarren golden heather — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Milton.

Lechea intermedia Leggett ex Britt. — largepod pinweed — photos: [1] [2] [3] [4] [5] — Milton.

Lechea maritima Leggett ex B.S.P. — beach pinweed — photos: [1] [2] [3] — Milton.

Lechea mucronata Raf. (villosa Ell.) — hairy pinweed — Milton.

Lechea pulchella var. pulchella Raf. (leggettii Britton et Hollick) — Leggett's pinweed — photos: [1] [2] [3] — Milton.

Lechea tenuifolia Michaux — slender pinweed — Milton; Quincy.

Clethraceae

Clethra alnifolia L. — sweet pepperbush — photos: [1] [2] [3] — Canton; Milton; Quincy.

Clusiaceae

Hypericum boreale f. callitrichoides Fassett — northern dwarf St. John's-wort submersed form — photo: [1] [2] — Milton; Randolph.

Hypericum ellipticum Hooker — pale St. John's-wort — photos: [1] [2] [3] — Quincy; Randolph.

Hypericum gentianoides (L.) B.S.P. — orange grass, pineweed — photo: [1] [2] — Milton; Quincy.

Hypericum punctatum Lam. — spotted St. John's-wort — photos: [1] [2] [3] [4] [5] — Milton; Quincy.

Triadenum virginicum (L.) Raf. (Hypericum virginicum L.) — marsh St. John's-wort — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Randolph.

Cornaceae

Cornus alternifolia L. f. (Swida alternifolia (L.f.) Small) — pagoda dogwood, alternate-leaved dogwood — photo: [1] [2] — Canton; Milton.

Cornus amomum P. Miller (Swida amomum (P. Miller) Small) — silky dogwood — photos: [1] [2] [3] [4] — Milton; Readville.

Cornus florida L. (Benthamidia florida (L.) Spach) — flowering dogwood — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Canton; Milton; Quincy; Randolph.

Cornus racemosa Lam. (Swida racemosa (Lam.) Moldenke) — gray dogwood — photos: [1] [2] [3] [4] [5] — Milton.

* Cornus sericea L. (Swida sericea (L.) Holub) — red osier — photo: [1] — Canton; Milton.

Crassulaceae

Penthorum sedoides L. — ditch stonecrop — photo: [1] — Canton.

Cucurbitaceae

Echinocystis lobata (Michaux) Torrey et Gray — wild cucumber, prickly cucumber — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Cuscutaceae

Cuscuta compacta Juss. ex Choisy — dense or compact dodder — photos: [1] [2] [3] — Braintree.

Cuscuta gronovii Willd. ex J.A. Schultes — dodder — photos: [1] [2] [3] [4] [5] [6] — Braintree; Canton; Milton; Quincy; Randolph.

Droseraceae

Drosera intermedia Hayne — spoonleaf sundew — photo: [1] — Canton.

Drosera rotundifolia L. — roundleaf sundew — photo: [1] [2] — Canton.

Elaeagnaceae

** Elaeagnus umbellata Thunb. — autumn olive, oleaster — photo: [1] — Canton; Milton.

Elatinaceae

Elatine minima (Nutt.) Fischer et C.A.Meyer — lesser waterwort — photos: [1] [2] [3] — Randolph.

Ericaceae

Arctostaphylos uva-ursi (L.) Sprengel — bearberry — photo: [1] — Canton; Milton.

Chamaedaphne calyculata (L.) Moench — leatherleaf, cassandra — photos: [1] [2] [3] [4] — Canton; Milton.

Gaultheria procumbens L. — wintergreen, checkerberry, eastern teaberry — photos: [1] [2] [3] — Canton; Randolph.

Gaylussacia baccata (Wangenh.) K. Koch — black huckleberry — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy.

Gaylussacia frondosa (L.) Torr. et Gray ex Torr. — blue huckleberry, dangleberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Quincy.

Kalmia angustifolia L. — sheep laurel — photos: [1] [2] [3] [4] [5] [6] — Canton.

Kalmia latifolia L. — mountain laurel — photos: [1] [2] [3] [4] [5] — Milton; Quincy.

Leucothoe racemosa (L.) Gray (Eubotrys racemosa (L.) Nutt.) — swamp sweetbells — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton; Quincy.

Lyonia ligustrina (L.) DC. — maleberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton; Quincy.

Rhododendron viscosum (L.) Torr. — swamp azalea — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy.

Vaccinium angustifolium Ait. — lowbush blueberry — photos: [1] [2] [3] [4] — Canton; Milton; Quincy.

Vaccinium corymbosum L. — highbush blueberry — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Randolph.

Vaccinium fuscatum Ait. (atrococcum (Gray) Heller) — black highbush blueberry — Milton.

Vaccinium macrocarpon Ait. — American cranberry, large cranberry — photos: [1] [2] [3] [4] — Canton; Milton.

Vaccinium pallidum Ait. (vacillans Kalm ex Torr.) — hillside blueberry, dryland blueberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy.

Euphorbiaceae

** Euphorbia cyparissias L. — cypress spurge — photos: [1] [2] [3] [4] [5] — Milton; Quincy.

Fabaceae

Amphicarpaea bracteata (L.) Fern. — hog-peanut — photo: [1] — Randolph.

Apios americana Medik. — groundnut — photos: [1] [2] [3] — Canton; Milton.

Baptisia tinctoria (L.) R. Br. ex Ait. f. — yellow wild indigo, horsefly weed — photos: [1] [2] [3] — Canton; Milton.

Chamaecrista nictitans (L.) Moench (Cassia nictitans L.) — wild sensitive plant — photos: [1] [2] [3] [4] [5] — Milton.

* Cladrastis kentukea (Dum.-Cours.) Rudd — yellowwood — photos: [1] [2] [3] [4] — Quincy.

* Colutea arborescens L. — bladder senna — photos: [1] [2] [3] — Quincy.

* Coronilla varia L. (Securigera varia (L.) Lassen) — purple crown-vetch — photo: [1] [2] — Milton.

Desmodium ciliare (Muhl. ex Willd.) DC. — hairy small-leaved ticktrefoil — photos: [1] [2] [3] [4] [5] [6] [7] — Milton.

Desmodium glutinosum (Muhl. ex Willd.) Wood (Hylodesmum glutinosum (Mull. ex Willd.) H.Ohashi et R.R. Mill) — cluster-leaved ticktrefoil — photos: [1] [2] [3] [4] — Canton; Randolph.

Desmodium paniculatum (L.) DC. — panicled ticktrefoil — Quincy.

Desmodium rotundifolium DC. — prostrate ticktrefoil — photo: [1] — Quincy.

* Gleditsia triacanthos L. — honey-locust — photo: [1] — Milton.

* Lathyrus latifolius L. — perennial pea — photo: [1] — Milton.

Lespedeza capitata Michx. — round-headed bush-clover — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton; Quincy.

Lespedeza hirta (L.) Hornem. — hairy bush-clover — photos: [1] [2] [3] — Canton; Milton; Quincy.

Lespedeza procumbens Michaux — trailing bush-clover — photos: [1] [2] [3] [4] — Canton; Randolph.

Lespedeza violacea (L.) Pers. (intermedia (S. Wats.) Britt.) — wand bush-clover — photo: [1] [2] — Milton.

* Lotus corniculatus L. — birdfoot-trefoil — photo: [1] — Milton.

** Robinia pseudoacacia L. — black locust — photos: [1] [2] [3] — Milton; Quincy.

* Styphnolobium japonicum (L.) Schott. (Sophora japonica L.) — Japanese pagoda-tree — photos: [1] [2] [3] — Quincy.

* Trifolium agrarium L. (aureum Pollich) — golden clover, palmate clover — photo: [1] [2] — Milton.

* Trifolium repens L. — white clover — photo: [1] — Milton.

* Vicia cracca L. — bird vetch — photos: [1] [2] [3] [4] — Milton.

Fagaceae

Castanea dentata (Marsh.) Borkh. — American chestnut — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Canton; Milton; Quincy; Randolph.

Fagus grandifolia Ehrh. — American beech — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Canton; Milton; Quincy; Randolph.

* Fagus sylvatica L. — European beech — Randolph.

Quercus alba L. — white oak — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy; Randolph.

Quercus bicolor Willd. — swamp white oak — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Readville.

Quercus coccinea Muenchh. — scarlet oak — photos: [1] [2] [3] [4] [5] — Canton; Quincy.

Quercus ilicifolia Wangenh. — scrub oak, bear oak — photos: [1] [2] [3] [4] — Canton; Milton; Quincy.

Quercus montana Willd. — chestnut oak — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] — Braintree; Milton; Quincy; Randolph.

* Quercus palustris Muenchh. — pin oak — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Readville.

Quercus prinoides Willd. — dwarf chestnut oak — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Quincy.

Quercus rubra L. — northern red oak — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Milton; Quincy; Randolph.

Quercus velutina Lam. — black oak — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy.

Fumariaceae

Corydalis sempervirens (L.) Pers. (Capnoides sempervirens (L.) Borkh.) — pale corydalis or rock-harlequin — photos: [1] [2] [3] [4] [5] [6] — Quincy.

Gentianaceae

Bartonia virginica (L.) B.S.P. — screwstem — Braintree.

* Centaurium pulchellum (Sw.) Druce — branching centaury — photos: [1] [2] [3] [4] — Milton.

Geraniaceae

Geranium maculatum L. — wild geranium — photo: [1] [2] — Canton; Milton; Randolph.

Geranium robertianum L. — herb-Robert — photo: [1] — Quincy.

Grossulariaceae

Ribes hirtellum Michaux — swamp gooseberry — photo: [1] — Canton; Randolph.

* Ribes rubrum L. — garden red currant — photo: [1] [2] — Canton.

Haloragaceae

Myriophyllum humile (Raf.) Morong — lowly watermilfoil — photo: [1] [2] — Randolph.

** Myriophyllum spicatum L. — Eurasian watermilfoil — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Canton; Randolph.

Proserpinaca palustris L. — mermaid-weed — photo: [1] [2] — Braintree.

Hamamelidaceae

Hamamelis virginiana L. — witch-hazel — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] — Canton; Milton; Quincy; Randolph.

Juglandaceae

Carya alba (L.) Nutt. ex Ell. (tomentosa (Lam. ex Poiret) Nutt.) — mockernut hickory — photos: [1] [2] [3] [4] [5] — Quincy; Randolph.

Carya cordiformis (Wangenh.) K. Koch — bitternut hickory, swamp hickory — photos: [1] [2] [3] [4] [5] — Canton; Milton; Randolph.

Carya glabra (P. Miller) Sweet (ovalis (Wangenh.) Sarg.) — pignut hickory — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] — Canton; Milton; Quincy; Randolph.

Carya ovata (P. Miller) K. Koch — shagbark hickory — photos: [1] [2] [3] [4] — Canton; Milton; Quincy.

Lamiaceae

* Clinopodium vulgare L. (Satureja vulgaris (L.) Fritsch) — wild basil — photos: [1] [2] [3] [4] [5] [6] [7] — Quincy.

* Glechoma hederacea L. — ground-ivy — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy; Randolph.

* Lamium maculatum L. — spotted deadnettle — photo: [1] [2] — Milton.

* Leonurus cardiaca L. — motherwort — photo: [1] — Milton.

* Lycopus europaeus L. — European water horehound — photo: [1] — Milton.

Lycopus rubellus Moench — stalked water horehound, swamp water horehound — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] — Randolph.

Lycopus uniflorus Michaux — tuberous water-horehound — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Randolph.

Lycopus virginicus L. — Virginia water-horehound, floodplain water-horehound — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Randolph.

* Mentha x piperita L. — peppermint — Milton.

Scutellaria galericulata L. (epilobiifolia Hamilton) — marsh scullcap, common scullcap — photo: [1] [2] — Dedham.

Scutellaria lateriflora L. — mad-dog skullcap, blue skullcap — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Stachys hispida Pursh (palustris var. hispida (Pursh) Fern.) — hispid hedgenettle — photo: [1] [2] — Canton.

* Stachys palustris L. — marsh hedgenettle — photo: [1] [2] — Readville.

Trichostema dichotomum L. — forked bluecurls — photos: [1] [2] [3] [4] [5] — Dedham; Milton; Randolph.

Lauraceae

Lindera benzoin (L.) Blume — spicebush — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] — Canton; Milton; Quincy; Randolph.

Sassafras albidum (Nutt.) Nees — sassafras — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] — Canton; Milton; Quincy; Randolph; Readville.

Lentibulariaceae

Utricularia geminiscapa Benj. — twin-scaped bladderwort — photos: [1] [2] [3] [4] [5] [6] [7] — Randolph.

Lythraceae

Decodon verticillatus (L.) Ell. — swamp loosestrife, waterwillow — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Randolph.

** Lythrum salicaria L. — purple loosestrife — photos: [1] [2] [3] — Canton; Milton.

Malvaceae

* Malva moschata L. — musk mallow — photo: [1] [2] — Milton.

* Malva neglecta Wallr. — cheeses — photo: [1] [2] — Canton.

Menyanthaceae

Menyanthes trifoliata L. — bogbeans — photos: [1] [2] [3] [4] [5] [6] [7] — Canton.

Nymphoides cordata (Ell.) Fern. — floating heart — Canton.

Molluginaceae

* Mollugo verticillata L. — carpetweed — photo: [1] [2] — Quincy.

Monotropaceae

Monotropa hypopitys L. (Hypopitys monotropa Crantz) — pinesap, false beechdrops — photo: [1] [2] — Canton.

Monotropa uniflora L. — Indian pipe — photos: [1] [2] [3] [4] [5] [6] — Milton; Randolph.

Moraceae

* Morus alba L. — white mulberry — Milton.

Myricaceae

Comptonia peregrina (L.) Coulter — sweetfern — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton; Quincy.

Myrica gale L. — sweet gale — photos: [1] [2] [3] — Canton.

Nymphaeaceae

Nuphar variegata Durand ex Clinton — yellow waterlily, spatterdock — Milton.

Nymphaea odorata Ait. — American white waterlily, fragrant waterlily — photo: [1] — Milton; Randolph.

Nyssaceae

Nyssa sylvatica Marshall — tupelo, black gum — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Milton; Quincy; Randolph.

Oleaceae

* Forsythia intermedia Zabel — border forsythia — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Milton; Randolph.

Fraxinus americana L. — white ash — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton; Quincy; Randolph; Readville.

Fraxinus nigra Marshall — black ash — photos: [1] [2] [3] — Quincy; Randolph.

Fraxinus pennsylvanica Marsh. — green ash — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Milton; Randolph.

** Ligustrum obtusifolium Sieb. et Zucc. — Japanese privet, ibota privet — photos: [1] [2] [3] [4] [5] [6] [7] — Milton; Quincy.

* Ligustrum ovalifolium Hassk. — California privet — photo: [1] [2] — Milton.

Onagraceae

Epilobium ciliatum Raf. — glandular willowherb — photo: [1] — Randolph.

Ludwigia palustris (L.) Ell. — water purslane, mud loosestrife — photos: [1] [2] [3] — Canton; Readville.

Oenothera biennis L. — common evening primrose — Milton.

Orobanchaceae

Conopholis americana (L.) Wallr. f. — squaw-root, cancer-root — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Randolph.

Epifagus virginiana (L.) W.P.C. Barton — beech-drops — photo: [1] — Milton; Quincy.

Orobanche uniflora L. — one-flowered cancer-root — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton.

Oxalidaceae

Oxalis florida Salisb. (dillenii ssp. fillipes (Small) Eiten) — smooth yellow wood sorrel — photos: [1] [2] [3] [4] [5] [6] [7] — Canton.

Oxalis stricta L. (europaea Jordan) — common yellow woodsorrel — Canton; Milton.

Papaveraceae

Sanguinaria canadensis L. — bloodroot — photos: [1] [2] [3] [4] — Quincy.

Plantaginaceae

Plantago intermedia DC (major var. intermedia (DC) Pilger) — saltmarsh plantain — Milton.

** Plantago lanceolata L. — narrow-leaved plantain, English plantain — photo: [1] — Milton.

* Plantago major L. — common plantain, white man's foot — photo: [1] [2] — Milton; Quincy.

Plantago rugelii Dcne. — American plantain — Canton.

Platanaceae

Platanus occidentalis L. — sycamore — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] — Canton; Milton; Quincy.

Polygalaceae

Polygala polygama Walter — racemed milkwort, bitter milkwort — photos: [1] [2] [3] — Milton.

Polygonaceae

Polygonum amphibium var. emersum Michaux. (P. coccineum Muhl.) — erect water smartweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Canton; Milton; Readville.

Polygonum arifolium L. (Persicaria arifolia (L.) Haroldson) — halberdleaf tearthumb — Readville.

* Polygonum aviculare L. (arenastrum Jordan ex Boreau) — doorweed — photos: [1] [2] [3] — Canton; Milton; Quincy.

* Polygonum cespitosum var. longisetum (deBruyn) A.N. Steward — Chinese smartweed — photo: [1] [2] — Canton; Milton.

** Polygonum cuspidatum Sieb. et Zucc. (Fallopia japonica (Houtt.) L.P. Ronse Decraene) — Japanese knotweed — photos: [1] [2] [3] — Milton.

Polygonum hydropiperoides Michaux (Persicaria hydropiperoides (Michaux) Small) — false water-pepper — photo: [1] — Milton.

** Polygonum perfoliatum L. (Persicaria perfoliata (L.) H. Gross) — mile-a-minute — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] — ; Canton; Milton; Readville.

* Polygonum persicaria L. (Persicaria maculosa (L.) S.F. Gray) — lady's thumb — photo: [1] — Milton.

Polygonum punctatum Ell. (Persicaria punctata (Ell.) Small) — dotted smartweed — photo: [1] — Milton.

Polygonum robustius (Small) Fern. (robustior (Small) Bicknell) — big water-smartweed, coarse smartweed — photos: [1] [2] [3] [4] [5] [6] [7] — Milton.

Polygonum sagittatum L. (Persicaria sagittata (L.) H. Gross) — arrowleaf tearthumb — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Polygonum scandens L. (Fallopia scandens (L.) Holub) — climbing false buckwheat — photos: [1] [2] [3] [4] — Canton; Milton.

** Rumex acetosella L. — sheep sorrel, red sorrel — Milton.

* Rumex crispus L. — curly dock — photos: [1] [2] [3] [4] [5] — Milton; Quincy.

* Rumex obtusifolius L. — red-veined dock — photo: [1] — Milton.

Primulaceae

Hottonia inflata Ell. — featherfoil — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Milton; Quincy.

Lysimachia hybrida Michaux — narrow-leaved loosestrife — photos: [1] [2] [3] [4] [5] [6] [7] — Randolph; Readville.

** Lysimachia nummularia L. — creeping jenny, moneywort — photo: [1] — Canton.

Lysimachia quadrifolia L. — whorled loosestrife — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Randolph.

Lysimachia terrestris (L.) B.S.P. — swamp candles — photo: [1] [2] — Canton; Milton.

Trientalis borealis Raf. (Lysimachia borealis (Raf.) U. Manns et A. Anderb.) — American starflower — photos: [1] [2] [3] — Canton; Milton.

Pyrolaceae

Chimaphila maculata (L.) Pursh — striped pipsissewa, spotted wintergreen — photos: [1] [2] [3] — Milton.

Chimaphila umbellata ssp. cisatlantica (Blake) Hulten — pipsissewa — photo: [1] — Milton.

Pyrola americana Sweet (rotundifolia var. americana (Sweet) Fern.) — round-leaved shinleaf, glossy shinleaf — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton; Quincy; Randolph.

Ranunculaceae

Actaea pachypoda Ell. — doll's eyes, white baneberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Milton.

Anemone quinquefolia L. — wood anemone, windflower — photos: [1] [2] [3] [4] [5] [6] [7] — Milton.

Aquilegia canadensis L. — wild columbine, red columbine — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Milton; Randolph.

Caltha palustris L. — marsh marigold — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton; Milton; Quincy; Randolph.

Coptis trifolia ssp. groenlandica (Oeder) Hulten (trifolia (L.) Salisb.) — three-leaf goldthread — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy; Randolph.

Ranunculus abortivus L. — kidney-leaved buttercup, small-flowered crowfoot — Canton.

* Ranunculus bulbosus L. — crowfoot, bulbous buttercup — photos: [1] [2] [3] [4] — Canton; Milton.

** Ranunculus ficaria L. (Ficaria verna (L.) Huds.) — lesser celandine, pilewort — photo: [1] — Milton.

Ranunculus recurvatus Poiret — hooked crowfoot — photo: [1] — Milton.

** Ranunculus repens L. — creeping buttercup — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton.

Thalictrum dioicum L. — early meadowrue — photo: [1] [2] — Quincy; Randolph.

Thalictrum pubescens Pursh (polygamum Muhl. ex Spreng.) — tall meadowrue — photo: [1] — Milton; Quincy.

Rhamnaceae

** Rhamnus cathartica L. — common buckthorn — photos: [1] [2] [3] [4] [5] [6] — Canton; Randolph.

** Rhamnus frangula L. (Frangula alnus P. Miller) — glossy buckthorn — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Quincy; Randolph; Readville.

Rosaceae

Agrimonia gryposepala Wallr. — common agrimony, woodland agrimony — photos: [1] [2] [3] — Canton; Milton.

Amelanchier canadensis (L.) Medicus — thicket shadbush, eastern serviceberry, juneberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy.

Amelanchier laevis Wiegand (arborea var. laevis (Wieg.) Ahles) — smooth shadbush — Milton.

Amelanchier micropetala (B.L.Robins) Ashe (stolonifera f. micropetala (B.L.Robins) Rehder) — shadbush — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Canton; Milton; Quincy.

Amelanchier spicata (Lam.) K. Koch (stolonifera Wiegand) — running serviceberry, running shadbush — photo: [1] [2] — Canton; Milton.

Aronia arbutifolia (L.) Pers. (Photinia pyrifolia (Lam.) Robertson et Phipps) — red chokeberry — Randolph.

Aronia melanocarpa (Michx.) Ell. (Photinia melanocarpa (Michaux) Robertson et Phipps) — black chokeberry — photos: [1] [2] [3] [4] — Quincy.

Aronia x prunifolia (Marsh.) Rehder (x floribunda (Lindl.) Spach) — purple chokeberry — photos: [1] [2] [3] [4] [5] — Braintree; Quincy; Randolph.

* Chaenomeles speciosa (Sweet) Nakai — Japanese flowering quince — photos: [1] [2] [3] [4] — Milton.

Comarum palustre L. (Potentilla palustris (L.) Scop.) — marsh cinquefoil — photo: [1] [2] — Milton.

Fragaria virginiana Duchesne — wild strawberry — Milton.

Geum canadense Jacq. — white avens — photos: [1] [2] [3] [4] [5] [6] [7] — Canton.

Geum laciniatum Murray — rough avens, floodplain avens — photo: [1] — Milton; Quincy.

* Malus baccata (L.) Borkh. — Siberian crabapple — photo: [1] [2] — Canton.

* Malus floribunda Sieb. ex Van Houtte — Japanese flowering crabapple — photos: [1] [2] [3] — Canton.

* Potentilla argentea L. — silver cinquefoil — photo: [1] [2] — Milton.

Potentilla canadensis L. — dwarf cinquefoil — photos: [1] [2] [3] — Milton; Quincy.

Potentilla norvegica L. — three-finger, strawberryweed — photo: [1] — Canton; Milton.

* Potentilla recta L. — sulphur cinquefoil — photos: [1] [2] [3] [4] — Milton.

Potentilla simplex Michaux — common cinquefoil — photo: [1] — Canton; Milton.

* Prunus avium (L.) L. — sweet cherry — Canton.

Prunus pensylvanica L. f. — pin cherry, fire cherry, bird cherry — photos: [1] [2] [3] [4] [5] [6] — Milton; Randolph.

Prunus serotina Ehrh. — black cherry — photo: [1] [2] — Canton; Milton.

Prunus virginiana L. — chokecherry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Canton; Milton; Quincy.

* Rhodotypos scandens (Thunb.) Makino — jetbead, white kerria — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Canton; Milton.

** Rosa multiflora Thunb. ex Murray — multiflora rose — photos: [1] [2] [3] [4] — Canton; Milton; Randolph.

Rosa palustris Marsh. — swamp rose — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton.

Rubus allegheniensis Porter — Allegheny blackberry, common blackberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy; Randolph.

Rubus flagellaris Willd. — northern dewberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Canton; Milton.

Rubus hispidus L. — bristly dewberry — photos: [1] [2] [3] [4] — Canton; Milton.

Rubus idaeus ssp. strigosus (Michaux) Focke — wild red raspberry — photos: [1] [2] [3] [4] — Canton.

* Rubus laciniatus Willd. — evergreen blackberry — photos: [1] [2] [3] [4] [5] [6] — Milton.

Rubus occidentalis L. — black raspberry — photo: [1] — Milton.

Rubus pensilvanicus Poiret — highbush blackberry — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

* Sorbus aucuparia L. — European mountain-ash — photo: [1] — Canton.

* Spiraea thunbergii Sieb. — — photos: [1] [2] [3] [4] [5] [6] [7] — Quincy.

Spiraea tomentosa L. — steeplebush — Quincy.

Rubiaceae

Cephalanthus occidentalis L. — common buttonbush — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Braintree; Canton; Milton; Readville.

Galium aparine L. — cleavers — photo: [1] — Canton.

Galium circaezans Michaux — wild licorice — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Randolph.

* Galium mollugo L. — white bedstraw — photos: [1] [2] [3] — Milton.

* Galium odoratum (L.) Scop. (Asperula odorata L.) — sweet woodruff — photo: [1] [2] — Milton.

Galium palustre L. — common marsh bedstraw — photo: [1] — Milton.

Galium tinctorium (L.) Scop. — Clayton's bedstraw — photo: [1] [2] — Milton.

Mitchella repens L. — partridgeberry — photos: [1] [2] [3] — Milton.

Rutaceae

** Phellodendron amurense Rupr. — Amur corktree — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Canton; Milton; Readville.

* Ptelea trifoliata L. — common hoptree, stinking ash — photos: [1] [2] [3] [4] [5] [6] [7] — Milton.

Salicaceae

* Populus deltoides Bartram ex Marsh. — eastern cottonwood — photos: [1] [2] [3] [4] [5] [6] — Canton; Milton.

Populus grandidentata Michaux — bigtooth aspen — photos: [1] [2] [3] — Milton.

Populus tremuloides Michaux — trembling aspen — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Milton; Readville.

* Salix alba L. — white willow — photos: [1] [2] [3] [4] [5] [6] [7] — Canton; Dedham.

** Salix atrocinerea Brotero (S. cinerea ssp. oleifolia (Smith) Macreight) — rusty willow — photos: [1] [2] [3] [4] [5] [6] [7] — Braintree; Canton; Milton; Quincy; Randolph.

Salix atrocinerea x bebbiana ? — — photo: [1] — Canton.

Salix atrocinerea x discolor ? — — Canton.

** Salix cinerea L. — ash willow — Milton.

Salix discolor Muhl. — large pussy willow — photos: [1] [2] [3] [4] — Canton; Milton; Readville.

Salix eriocephala Michaux — heartleaf willow — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Canton; Milton.

Salix nigra Marsh. — black willow — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Canton; Milton; Randolph; Readville.

Salix pedicellaris Pursh — bog willow — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] — Canton; Dedham; Milton.

Salix petiolaris J. E. Smith — slender willow, meadow willow — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Braintree; Canton; Milton.

Salix sericea Marsh. — silky willow — Braintree; Milton.

* Salix x fragilis — brittle willow — Canton; Milton.

Santalaceae

Comandra umbellata (L.) Nutt. — bastard toadflax — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Canton; Quincy.

Sarraceniaceae

Sarracenia purpurea L. — purple pitcherplant — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Canton.

Saxifragaceae

Chrysosplenium americanum Schwein. ex Hooker — golden saxifrage, water-carpet — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Randolph.

Scrophulariaceae

Agalinis purpurea (L.) Pernnell (Gerardia purpurea L.) — purple false foxglove — photos: [1] [2] [3] [4] [5] — Canton; Milton; Quincy; Randolph.

Aureolaria flava (L.) Farw. — smooth false foxglove — photo: [1] [2] — Canton.

Aureolaria pedicularia (L.) Raf. (Gerardia pedicularia L.) — fernleaf yellow false foxglove — photos: [1] [2] [3] — Canton; Quincy.

Aureolaria virginica (L.) Pernnell (Gerardia virginica (L.) B.S.P.) — downy false foxglove — photos: [1] [2] [3] [4] — Randolph.

Chelone glabra L. — white turtlehead — photo: [1] — Milton; Randolph.

Gratiola aurea Pursh — golden hedgehyssop — photo: [1] — Randolph.

* Linaria vulgaris P. Miller — butter-and-eggs — photos: [1] [2] [3] [4] — Milton; Quincy.

Mimulus ringens L. — long-stalked monkey-flower — photo: [1] [2] — Milton.

Nuttallanthus canadensis (L.) D.A. Sutton (Linaria canadensis (L.) Chaz.) — blue toadflax, old-field toadflax — photos: [1] [2] [3] — Milton; Quincy.

** Verbascum thapsus L. — common mullein — photos: [1] [2] [3] [4] [5] [6] — Milton; Quincy.

* Veronica chamaedrys L. — birdseye speedwell — photos: [1] [2] [3] [4] — Quincy.

* Veronica officinalis L. — common speedwell — photo: [1] [2] — Canton; Milton.

* Veronica serpyllifolia L. — thyme-leaf speedwell — photo: [1] [2] — Randolph.

Simaroubaceae

** Ailanthus altissima (P. Miller) Swingle — tree-of-heaven — photos: [1] [2] [3] [4] — Milton.

Solanaceae

* Solanum carolinense L. — horsenettle — photos: [1] [2] [3] [4] — Canton; Quincy.

Styracaceae

* Halesia carolina L. — Carolina silverbell — photos: [1] [2] [3] [4] — Milton.

Tiliaceae

Tilia americana L. — basswood, American linden — photo: [1] [2] — Canton; Randolph.

Ulmaceae

Ulmus americana L. — American elm, white elm — photos: [1] [2] [3] [4] — Canton; Milton.

* Ulmus pumila L. — Siberian elm — photos: [1] [2] [3] [4] [5] [6] [7] — Canton.

Urticaceae

Boehmeria cylindrica (L.) Sw. — false nettle, bog-hemp — photo: [1] [2] — Canton; Quincy.

Pilea pumila (L.) A. Gray — clearweed, richweed — photo: [1] [2] — Canton.

* Urtica dioica ssp. dioica L. — stinging nettle — photo: [1] [2] — Canton; Quincy; Readville.

Urtica dioica ssp. gracilis (Aiton) Selander — slender stinging nettle — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Milton.

Verbenaceae

Verbena hastata L. — blue vervain, common vervain — photos: [1] [2] [3] [4] [5] [6] [7] — Dedham; Milton; Readville.

Verbena urticifolia L. — white vervain — photos: [1] [2] [3] [4] — Milton; Quincy.

Violaceae

Viola blanda var. palustriformis A.Gray (incognita Brainerd ) — large-leaved white violet — photos: [1] [2] [3] — Milton; Randolph.

Viola cucullata Aiton — marsh blue violet — photos: [1] [2] [3] [4] [5] — Canton; Milton.

Viola lanceolata L. — bog white violet, lanceleaf violet — photo: [1] [2] — Randolph.

Viola pallens (Banks ex DC.) Brainerd (macloskeyi ssp. pallens (Banks ex DC.) M.S.Baker) — northern white violet — photos: [1] [2] [3] — Milton; Quincy; Randolph.

Viola pectinata Bicknell (brittoniana var. pectinata (Bicknell) Alexander) — comb violet — photos: [1] [2] [3] [4] [5] — Milton.

Viola primulifolia L. — primrose-leaf violet — photo: [1] — Milton.

Viola sagittata Aiton (fimbriatula J.I. Smith) — arrowleaf violet — photo: [1] — Canton.

Viola sororia Willd. (papilionacea Pursh) — common blue violet — Randolph.

Viola x bissellii House ((V. cucullata x sororia) ) — — photos: [1] [2] [3] — Randolph.

Vitaceae

Parthenocissus quinquefolia (L.) Planchon — Virginia creeper — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Canton; Milton; Quincy; Randolph.

Vitis aestivalis Michaux — summer grape — photo: [1] [2] — Quincy; Randolph.

Vitis labrusca L. — fox grape — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Canton; Milton; Randolph.

Plants of Blue Hills Reservation: Illustrated Checklist As of April 2016, the checklist contains 687 species including 186 non-native (marked *), of which 51 are invasive (marked **)