Plants of the Great South Pond at Cortelli Preserve, Plymouth — 192 species

Survey by A. Zinovjev and I. Kadis, 2018
Gradations of rarity used by NHESP in Massachusetts: Historic─Endangered─Threatened─Special Concern─Watch-Listed. The latter category is assigned to plants whose distribution in the state is not yet sufficiently known and that may prove to be rare upon accumulating data. Maps provided for invasive plants.

Native Trees
Acer rubrum (red maple) — photos: [1]
Betula populifolia (gray birch)
Fagus grandifolia (American beech)
Ilex opaca (American holly)
Nyssa sylvatica (tupelo, black gum) — photos: [1]
Pinus rigida (pitch pine) — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9]
Pinus strobus (white pine) — photos: [1]
Populus tremuloides (trembling aspen)
Quercus alba (white oak)
Quercus rubra (northern red oak) — photos: [1]
Quercus x saulii (alba x montana) (Saul's oak)
Salix nigra (black willow)
Sassafras albidum (sassafras)
Ulmus americana (American elm)
Native Shrubs
Alnus serrulata (smooth alder, common alder)
Amelanchier canadensis (thicket shadbush, eastern serviceberry, juneberry)
Amelanchier x intermedia (A. canadensis x laevis) (intermediate shadbush) — photos: [1] [2] [3] [4] [5]
Aronia x prunifolia (purple chokeberry)
Cephalanthus occidentalis (common buttonbush)
Chamaedaphne calyculata (leatherleaf, cassandra)
Clethra alnifolia (sweet pepperbush)
Comptonia peregrina (sweetfern) — photos: [1] [2] [3]
Eubotrys racemosa (Leucothoe racemosa) (swamp sweetbells)
Gaylussacia baccata (black huckleberry)
Kalmia angustifolia (sheep laurel) — photos: [1]
Lyonia ligustrina (maleberry)
Morella pensylvanica (Myrica pensylvanica) (bayberry) — photos: [1]
Quercus ilicifolia (scrub oak, bear oak)
Rhododendron viscosum (swamp azalea)
Rhus typhina (staghorn sumac)
Rubus allegheniensis (common blackberry, Allegheny blackberry)
Spiraea alba var. latifolia (meadowsweet)
Spiraea tomentosa (steeplebush)
Vaccinium angustifolium (lowbush blueberry)
Vaccinium corymbosum (highbush blueberry)
Vaccinium fuscatum (black highbush blueberry) — photos: [1] [2]
Vaccinium pallidum (hillside blueberry)
Viburnum nudum var. cassinoides (wild raisin, witherod)
Native Woody Vines
Smilax glauca (sawbrier, wild sarsaparilla )
Smilax rotundifolia (catbrier, bullbrier)
Toxicodendron radicans (poison ivy)
Vitis labrusca (fox grape)
Native Small Shrubs, Subshrubs (Groundcovers)
Arctostaphylos uva-ursi (bearberry)
Gaultheria procumbens (wintergreen, checkerberry, eastern teaberry) — photos: [1]
Hudsonia tomentosa (woolly beach heather)
Rubus hispidus (bristly dewberry, swamp dewberry)
Native Ferns and Allies
Dennstaedtia punctilobula (hayscented fern)
Lycopodiella appressa (southern bog clubmoss) — photos: [1] [2]
Lycopodiella appressa x inundata (hybrid bog clubmoss)
Onoclea sensibilis (sensitive fern)
Pteridium aquilinum (bracken fern)
Thelypteris palustris (marsh fern)
Native Water Plants
Brasenia schreberi (watershield)
Eriocaulon aquaticum (pipewort, white buttons)
Hypericum boreale f. callitrichoides (northern dwarf St. John's-wort submersed form)
Lobelia dortmanna (water lobelia)
Nymphaea odorata (American white waterlily, fragrant waterlily)
Sagittaria teres (pondshore arrowhead, terete arrowhead) — Special Concern
Utricularia subulata (slender, subulate, or zigzag bladderwort) — Special Concern — photos: [1] [2]
Native Grasses, Rushes, Sedges, and Sedge Family Plants
Agrostis perennans (upland bentgrass)
Andropogon glomeratus (bushy bluestem)
Calamagrostis canadensis (Canada bluejoint)
Carex albicans var. emmonsii (Emmons' sedge)
Carex longii (Long's sedge)
Carex lucorum (long-beaked Pennsylvania sedge) — photos: [1]
Carex pensylvanica (Pennsylvania sedge)
Carex scoparia (broom sedge) — photos: [1]
Cyperus dentatus (pondshore flatsedge)
Cyperus strigosus (straw-colored flatsedge)
Deschampsia flexuosa (common hairgrass)
Dichanthelium acuminatum var. implicatum (pondshore panic-grass)
Dichanthelium clandestinum (deertongue)
Dichanthelium columbianum (downy panic grass)
Eleocharis acicularis (needle spike-rush)
Eleocharis obtusa (soft-stemmed spike-rush)
Eleocharis palustris (marsh spike-rush)
Fimbristylis autumnalis (northern fimbry)
Fuirena pumila (annual umbrella-sedge) — Watch-Listed
Juncus canadensis (marsh rush, Canada rush)
Juncus greenei (Greene's rush)
Juncus militaris (bayonet rush)
Juncus pelocarpus (pondshore rush)
Juncus pylaei (Pylaie's soft rush)
Leersia oryzoides (rice cutgrass)
Lipocarpha micrantha (dwarf bulrush) — Threatened
Muhlenbergia uniflora (pondshore muhly)
Panicum dichotomiflorum (fall panic-grass)
Panicum verrucosum (Warty panic grass )
Rhynchospora capitellata (brown beak-rush)
Schizachyrium scoparium (little bluestem)
Schoenoplectus pungens (Scirpus pungens) (common threesquare)
Schoenoplectus smithii (Scirpus smithii) (Smith's clubsedge)
Scirpus cyperinus (common bulrush)
Scirpus x peckii (hybrid bullrush) — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9]
Sparganium americanum (common bur-reed)
Native Other Herbaceous Plants
Agalinis paupercula (small-flowered gerardia)
Agalinis purpurea (purple false foxglove)
Aster dumosus (long-stalked aster)
Bidens frondosa (common beggar-ticks)
Chimaphila maculata (striped pipsissewa, spotted wintergreen)
Comandra umbellata (bastard toadflax)
Coreopsis rosea (pink tickseed) — Watch-Listed
Crocanthemum canadense (Helianthemum canadense) (longbranch frostweed)
Decodon verticillatus (swamp loosestrife, waterwillow)
Drosera filiformis (thread-leaf sundew)
Drosera intermedia (spoonleaf sundew)
Epigaea repens (trailing arbutus, mayflower)
Epilobium ciliatum (glandular willowherb)
Erechtites hieraciifolius (fireweed, pilewort)
Eupatorium dubium (Atlantic Joe-Pye-weed) (Atlantic Joe-Pye-weed)
Eupatorium novae-angliae (New England boneset) — Endangered
Eupatorium perfoliatum (boneset, thoroughwort)
Eurybia spectabilis (Aster spectabilis) (showy aster)
Euthamia caroliniana (Solidago tenuifolia) (coastal plain slender goldenrod, narrow-leaf flat-topped goldenrod)
Euthamia graminifolia (grassleaf flat-topped goldenrod)
Fallopia scandens (Polygonum scandens) (climbing false buckwheat)
Fragaria virginiana (wild strawberry)
Galium tinctorium (stiff bedstraw, Clayton's bedstraw)
Gratiola aurea (golden hedgehyssop)
Hieracium kalmii (Canada hawkweed)
Hieracium scabrum (rough hawkweed)
Hypericum boreale (northern St. John's-wort) — photos: [1]
Hypericum canadense (Canadian St. John's-wort)
Hypericum mutilum (dwarf St. John's-wort)
Impatiens capensis (orange jewelweed, spotted jewelweed)
Iris versicolor (northern blueflag)
Lechea intermedia (largepod pinweed)
Lechea maritima (beach pinweed)
Lindernia dubia var. anagallidea (false pimpernel)
Ludwigia palustris (water purslane, mud loosestrife)
Lycopus amplectens (pondshore water-horehound, sessile water-horehound) — Watch-Listed
Lycopus uniflorus (tuberous water-horehound)
Lysimachia quadrifolia (whorled loosestrife)
Lysimachia terrestris (swamp candles)
Maianthemum canadense (Canada mayflower)
Melampyrum lineare (cow-wheat)
Monotropa uniflora (Indian pipe)
Nabalus trifoliolata (Prenanthes trifoliolatus) (tall rattlesnake-root, gall-of-the-earth) — photos: [1] [2]
Nuttallanthus canadensis (blue toadflax, old-field toadflax)
Packera aurea (Senecio aureus) (golden ragwor)
Persicaria lapathifolia (Polygonum lapathifolium) (nodding smartweed)
Persicaria pensylvanica (Polygonum pensylvanicum) (pinkweed)
Persicaria punctata (Polygonum punctatum) (dotted smartweed)
Persicaria puritanorum (Polygonum puritanorum) (pondshore smartweed) — Special Concern
Platanthera clavellata (green woodland orchid) — photos: [1] [2] [3] [4]
Polygala cruciata (cross-leaved milkwort)
Polygonella articulata (jointweed)
Rhexia virginica (northern meadowbeauty, wingstem meadowpitchers)
Sabatia kennedyana (Plymouth gentian) — Special Concern — photos: [1] [2]
Sagittaria engelmanniana (acid-water arrowhead)
Sagittaria latifolia (common arrowhead)
Solidago nemoralis (gray goldenrod)
Solidago odora (licorice goldenrod, sweet goldenrod)
Spiranthes cernua (nodding ladies' tresses)
Stachys hyssopifolia (hyssop-leaved hedgenettle) — Watch-Listed
Symphyotrichum lateriflorum (Aster lateriflorus) (Calico aster)
Symphyotrichum pilosum (Aster pilosus) (white oldfield aster)
Symphyotrichum racemosum (Aster racemosus) (smooth white oldfield aster)
Triadenum virginicum (Hypericum virginicum) (marsh St. John's-wort)
Vaccinium macrocarpon (American cranberry, large cranberry)
Viola lanceolata (bog white violet, lanceleaf violet)
Viola primulifolia (primrose-leaf violet)
Viola sagittata (arrowleaf violet) — photos: [1] [2] [3] [4]
Xanthium strumarium (cocklebur)
Xyris difformis (bog yellow-eyed grass)
Xyris torta (twisted yellow-eyed grass) — photos: [1] [2]
Alien Woody Plants (Trees, Shrubs, Vines)
Berberis thunbergii (Japanese barberry) — INVASIVE — [map]
Celastrus orbiculatus (Oriental bittersweet, Asian bittersweet) — INVASIVE — [map]
Picea abies (Norway spruce) — INVASIVE (not officially) — outside — [map]
Rhamnus frangula (Frangula alnus) (glossy buckthorn) — INVASIVE — [map]
Rosa multiflora (multiflora rose, Japanese rose) — INVASIVE — [map]
Salix atrocinerea and S. cinerea (rusty and gray willow complex) — INVASIVE — photos: [1] [2] — [map]
Salix x fragilis (brittle willow)
Alien Water Plants
Cabomba caroliniana (Carolina fanwort) — INVASIVE — [map]
Alien Grasses, Rushes, Sedges, and Sedge Family Plants
Calamagrostis epigeios (feathertop, bushgrass)
Festuca filiformis (hair fescue) — INVASIVE — [map]
Miscanthus sinensis (Chinese plumegrass)
Phragmites australis (common reed) — INVASIVE — one small clump — [map]
Poa compressa (flat-stemmed bluegrass)
Alien Other Herbaceous Plants
Cirsium vulgare (bull thistle)
Convallaria majalis (lily-of-the-valley) — INVASIVE (not officially) — [map]
Cuscuta campestris (field dodder) — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9]
Hieracium flagellare (whip hawkweed)
Hieracium pratense (king-devil, meadow hawkweed) — INVASIVE (not officially) — [map]
Hypochaeris radicata (hairy cat's-ear, false dandelion) — INVASIVE (not officially) — [map]
Picris hieracioides (hawkweed oxtongue)
Rumex acetosella (sheep sorrel, red sorrel) — INVASIVE (not officially) — [map]
Rumex crispus (curly dock) — INVASIVE (not officially) — [map]
Rumex obtusifolius (red-veined dock) — INVASIVE (not officially) — [map]
Sonchus oleraceus (annual sow-thistle)
Trifolium hybridum (alsike clover) — photos: [1] [2] [3]
Tussilago farfara (coltsfoot) — INVASIVE — [map]
Generated: Dec. 2, 2018, 11:42 a.m.