Plants of Myles Standish State Forest: Illustrated Checklist
As of December 2011, the checklist contains 375 species including 80 non-native (marked *), of which 23 are invasive (marked **)

Information about species location within the Forest comes from two sources. For photographed plants, the location information refers to concrete photos. There may be additional comments on the overall distribution within the Forest, which are originating from field notes. Whenever there are no photographs, the information originates just from field notes.

Ferns and Allies

Dennstaedtiaceae

Dennstaedtia punctilobula (Michaux) T. Moore — hayscented fern — photos: [1] [2] [3] [4] — Plymouth. Rare

Pteridium aquilinum (L.) Kuhn — bracken fern — photos: [1] [2] [3] [4] — Plymouth. Dominant

Dryopteridaceae

Athyrium filix-femina var. angustum (Willd.) Lawson — northern lady-fern — Plymouth. Rare: Wamkinco R.; W border

Dryopteris intermedia (Muhl. ex Willd.) A. Gray — intermediate wood fern — photos: [1] [2] [3] — Carver. Rare (East Head Reservoir; W border)

Onoclea sensibilis L. — sensitive fern — photo: [1] — Plymouth. Rare

Lycopodiaceae

Lycopodiella inundata (L.) Holub — northern bog clubmoss — photos: [1] [2] [3] [4] — Carver; Plymouth. A single known location

Lycopodium clavatum L. — running clubmoss, common clubmoss — photo: [1] [2] — Plymouth. Rare

Lycopodium obscurum L. — princess-pine or tree clubmoss — Carver. Rare

Osmundaceae

Osmunda cinnamomea L. — cinnamon fern — photo: [1] — Plymouth. Rare (Wamkinco R.; W border)

Osmunda claytoniana L. — interrupted fern — once, Wamkinco R.

Osmunda regalis L. — royal fern — photos: [1] [2] [3] [4] — Plymouth. Rare

Thelypteridaceae

Thelypteris noveboracensis (L.) Nieuwl. — New York fern — rare (Wamkinco R.; W border)

Thelypteris palustris Schott — marsh fern — Plymouth. Rare

Conifers

Cupressaceae

Chamaecyparis thyoides (L.) B.S.P. — Atlantic white cedar — photos: [1] [2] [3] [4] — Plymouth. Single location: northern East Head Reservoir

Juniperus virginiana L. — eastern red cedar — photos: [1] [2] [3] — Carver; Plymouth.

Pinaceae

* Larix decidua P. Miller — European larch — photos: [1] [2] [3] [4] — Plymouth. Rare (planted)

** Picea abies (L.) Karst. — Norway spruce — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Carver; Plymouth. Occasional to dominant (spreading from plantations)

Picea rubens Sarg — red spruce — photos: [1] [2] [3] [4] — Plymouth. Once, Three-Cornered Pond

* Pinus banksiana Lamb. — Jack pine — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Plymouth. Rare (planted at Charge Pond and some other locations)

* Pinus resinosa Ait. — red pine — photos: [1] [2] [3] — Plymouth. All across the Forest; only in plantations

Pinus rigida P. Mill. — pitch pine — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Carver; Plymouth. Dominant

Pinus strobus L. — white pine, Weymouth pine — photos: [1] [2] [3] — Carver; Plymouth. Dominant (growing naturally and in plantations)

* Pinus sylvestris L. — Scotch pine — photos: [1] [2] [3] — Plymouth. Occasional, planted

Tsuga canadensis (L.) Carr. — eastern hemlock — Carver. Seen twice (Charge Pond; W Forest border)

Monocots

Agavaceae

* Yucca filamentosa L. — Spanish bayonet, Adam's needle — photo: [1] [2] — Plymouth. Around headquarters

Alismataceae

Sagittaria engelmanniana J. G. Small — acid-water arrowhead — photos: [1] [2] [3] — Plymouth.

Sagittaria latifolia Willd. — common arrowhead — photos: [1] [2] [3] — Carver.

Sagittaria teres S. Watson — pondshore or terete arrowhead — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Carver; Plymouth. Common at some ponds

Cyperaceae

Bulbostylis capillaris (L.) C.B. Clarke — sand-sedge — photo: [1] [2] — Plymouth.

Carex annectens (Bickn.) Bickn. — yellow-fruited fox sedge — Plymouth. Occasional

Carex atlantica ssp. capillacea (Bailey) Reznicek (howei Mackenzie) — threadstem sedge — photos: [1] [2] [3] — Plymouth. Occasional dominant

Carex lurida Wahlenb. — sallow sedge — photos: [1] [2] [3] [4] — Carver; Plymouth. Occasional dominant

Carex pensylvanica Lam. — Pennsylvania sedge — photo: [1] — Plymouth.

Carex scoparia Schkuhr. ex Willd. — broom sedge — Plymouth. Common

Carex vulpinoidea Michaux (setacea Dewey) — fox sedge — Carver.

Cyperus dentatus Torrey — pondshore flatsedge — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common

Cyperus lupulinus (Spreng.) Marcks. (filiculmis Vahl) — slender sand flatsedge — photos: [1] [2] [3] [4] — Plymouth.

Dulichium arundinaceum (L.) Britton — three-way sedge — photo: [1] [2] — Plymouth. Occasional

Eleocharis obtusa (Willd.) J.A. Schultes — soft-stemmed spike-rush — photos: [1] [2] [3] [4] [5] — Plymouth.

Eleocharis sp. — spike-rush — photo: [1] [2] — Plymouth. Abundant in mucky lagoons with Sagittaria teres

Fimbristylis autumnalis (L.) R. et S. — northern fimbry — photos: [1] [2] [3] — Plymouth. Common

Fuirena pumila (Torrey) Sprengel — annual umbrella-sedge — photos: [1] [2] [3] [4] [5] — Plymouth. Occurs

Rhynchospora alba (L.) Vahl. — white beak-rush — photos: [1] [2] [3] [4] — Plymouth. Common

Rhynchospora capitellata (Michx.) Vahl. — brown beak-rush — photos: [1] [2] [3] [4] — Plymouth. Dominant

Rhynchospora macrostachya Torrey ex A. Gray — big-headed horned sedge — Hoyt's Pond

Scirpus cyperinus (L.) Kunth — common bulrush — photos: [1] [2] [3] — Plymouth. Common

Scirpus sp. — — Plymouth.

Eriocaulaceae

Eriocaulon aquaticum (Hill) Druce (septangulare With.) — pipewort, white buttons — photos: [1] [2] [3] [4] [5] [6] [7] — Carver; Plymouth. Common

Iridaceae

Iris versicolor L. — northern blueflag — photo: [1] [2] — Plymouth. Occasional to rare

Sisyrinchium angustifolium P. Miller — stout blue-eyed-grass — Plymouth. Rare

Juncaceae

Juncus articulatus L. — jointed rush — photos: [1] [2] [3] — Plymouth. Occasional dominant

Juncus canadensis Gay ex LaHarpe — marsh or Canada rush — photos: [1] [2] [3] [4] [5] [6] — Plymouth. Occasional dominant

Juncus effusus L. — common rush — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common

Juncus greenei Oakes et Tuckerman — Greene's rush — photos: [1] [2] [3] [4] — Plymouth. High-voltage line/Alden Rd. intersection

Juncus marginatus Rostk. — grass-leaf rush — photo: [1] [2] — Plymouth.

Juncus sp. — rush — Carver; Plymouth.

Juncus tenuis Willd. — path rush, yard rush — photo: [1] [2] — Plymouth. Occasional dominant

Liliaceae

Hypoxis hirsuta (L.) Cov. — yellow star-grass — photo: [1] [2] — Plymouth.

Lilium philadelphicum L. — wood lily — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Plymouth. Rare (two known subpopulations)

Maianthemum canadense Desf. — Canada mayflower — common

Uvularia sessilifolia L. — little merrybells — photo: [1] — Plymouth. Occasional

Orchidaceae

Cypripedium acaule Aiton — pink lady's slipper — occasional

Goodyera tesselata Lodd. — checkered rattlesnake-plantain — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Carver; Plymouth. Occasional around East Head Reservoir

Platanthera blephariglottis (Willd.) Lindley (Habenaria blephariglottis (Willd.) Hooker) — white fringed orchid — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Carver; Plymouth. A single known location

Spiranthes cernua (L.) L.C. Rich. — nodding ladies' tresses — photos: [1] [2] [3] — Plymouth. A single known location

Spiranthes tuberosa Raf. — little ladies' tresses — photos: [1] [2] [3] [4] [5] — Plymouth. A single known location

Poaceae

Andropogon glomeratus (Walter) B.S.P. (virginicus var. abbreviatus (Hackel) Fern. et Grisc.) — bunched broom-sedge — photos: [1] [2] [3] — Plymouth. Occasional

* Anthoxanthum odoratum L. — sweet vernalgrass — photos: [1] [2] [3] — Plymouth.

* Bromus inermis Leysser — awnless brome — photo: [1] [2] — Plymouth. Occasionally abundant

* Bromus sterilis L. — barren brome — photo: [1] [2] — Plymouth. Occasionally abundant

Calamagrostis canadensis (Michaux) Beauv. — Canada bluejoint — Plymouth. Occasional

Calamagrostis coarctata (Torrey) Eaton (cinnoides W. Barton) — reed bluejoint — Carver.

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

Danthonia compressa Austin ex Peck — trail oatgrass — photo: [1] — Plymouth. Common

Dichanthelium acuminatum var. fasciculatum (Torrey) Freckmann (Panicum lanuginosum Ell.) — fascicled panic-grass — occasional

Dichanthelium clandestinum (L.) Gould (Panicum clandestinum L.) — deer-tongue — photo: [1] — Carver; Plymouth. Occasional

Dichanthelium dichotomum (L.) Gould (Panicum dichotomum L.) — forked panic-grass — occurs

Dichanthelium sp. — — Plymouth.

Digitaria filiformis (L.) Koeler — slender crabgrass — Plymouth.

Eragrostis spectabilis (Pursh) Steudel — purple lovegrass — photo: [1] [2] — Plymouth.

* Festuca ovina L. — sheep fescue — Plymouth. Occasional dominant

Glyceria striata (Lam.) A. S. Hitche — fowlmeadow grass — Hoyt's Pond

Leersia oryzoides (L.) Sw. — rice cut-grass — Hoyt's Pond

Oryzopsis pungens (Torrey ex Sprengel) A. S. Hitchc. — little ricegrass — photo: [1] [2] — Plymouth.

Panicum capillare L. — witch-grass — occasional

Panicum dichotomiflorum Michaux — fall panic-grass — photos: [1] [2] [3] [4] — Plymouth.

Panicum virgatum L. — switchgrass — photo: [1] — Plymouth. Occasional

** Phalaris arundinacea L. — reed canarygrass — photos: [1] [2] [3] [4] — Carver; Plymouth. Occasional dominant

* Phleum pratense L. — timothy — photos: [1] [2] [3] — Plymouth. Occasional

Piptochaetium avenaceum (L.) Parodi (Stipa avenacea L.) — black oatgrass — photo: [1] [2] — Plymouth. Once, in a frost pocket

* Poa compressa L. — flat-stemed bluegrass, Canada bluegrass — Plymouth. Occasional

Schizachyrium scoparium (Michaux) Nash — little bluestem — photos: [1] [2] [3] [4] — Plymouth. Dominant

* Setaria faberi Herrm. ex Rosen — giant foxtail — photos: [1] [2] [3] [4] — Plymouth. Occurs

* Setaria viridis (L.) Beauv. — green foxtail — photo: [1] — Plymouth.

Spartina pectinata Link — freshwater or prairie cordgrass — photos: [1] [2] [3] [4] — Plymouth. Once, at Curlew Pond

Pontederiaceae

Pontederia cordata L. — pickerel-weed — photo: [1] [2] — Carver. Common

Potamogetonaceae

Potamogeton epihydrus Raf. — surface pondweed, ribbon-leaf pondweed — photo: [1] — Plymouth. Occurs

Potamogeton natans L. — floating pondweed — occasional

Potamogeton sp. — — Plymouth.

Ruppiaceae

Ruppia maritima L. — ditch-grass, widgeon-grass — photos: [1] [2] [3] [4] [5] [6] [7] — Carver; Plymouth. So far found only in EastHead Reservoir

Smilacaceae

Smilax glauca Walter — sawbrier, wild sarsaparilla — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common

Smilax rotundifolia L. — catbrier, bullbrier — photo: [1] — Carver; Plymouth. Common

Sparganiaceae

Sparganium americanum Nutt. — common bur-reed — photos: [1] [2] [3] [4] [5] [6] [7] — Carver; Plymouth. Occasional

Typhaceae

Typha latifolia L. — broad-leaved cattail — photo: [1] [2] — Carver. Occasional

Xyridaceae

Xyris torta Small — twisted yellow-eyed grass — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Carver; Plymouth. Common in/around some ponds and in wetland

Dicots

Aceraceae

** Acer platanoides L. — Norway maple — photo: [1] [2] — Carver. Barrett Pond

Acer rubrum L. — red maple — photo: [1] [2] — Plymouth. Common

Amaranthaceae

* Froelichia gracilis (Hooker) Moq. — slender cottonweed — photos: [1] [2] [3] [4] [5] — Plymouth. Bumps Pond

Anacardiaceae

Rhus copallina L. — flameleaf sumac, winged sumac — photo: [1] [2] — Carver; Plymouth. Occasional

Rhus typhina L. (R. hirta (L.) Sudworth) — staghorn sumac — Plymouth.

Rhus vernix L. (Toxicodendron vernix (L.) Kuntze) — poison sumac — Maple Spring Rd., Wareham (S of Park border)

Toxicodendron radicans (L.) Kuntze (Rhus radicans L.) — poison ivy — photo: [1] [2] — Plymouth. Occasional

Apiaceae

* Daucus carota L. — Queen Anne's lace — photos: [1] [2] [3] — Plymouth. Common

Apocynaceae

Apocynum androsaemifolium L. — spreading dogbane — occasional

Apocynum cannabinum L. — Indian hemp — photos: [1] [2] [3] [4] — Carver; Plymouth. Near headquarters

Aquifoliaceae

Ilex glabra (L.) Gray — inkberry — photos: [1] [2] [3] [4] [5] [6] — Carver; Plymouth. Common

Ilex opaca Ait. — American holly — photo: [1] — Carver. Rare (seen twice)

Ilex verticillata (L.) Gray — common winterberry — photo: [1] [2] — Plymouth. Occasional

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] [13] — Carver; Plymouth. Occasional

Araliaceae

Aralia hispida Vent. — bristly sarsaparilla — once

Aralia nudicaulis L. — wild sarsaparilla — photo: [1] [2] — Carver. Occasional

Asclepiadaceae

Asclepias amplexicaulis Sm. — clasping milkweed — photo: [1] [2] — Carver. Rare

Asclepias incarnata ssp. pulchra (Ehrh. ex Willd.) Woodson — downy swamp milkweed — photo: [1] — Carver.

Asclepias syriaca L. — common milkweed — photos: [1] [2] [3] [4] — Carver; Plymouth. Occasional

Asteraceae

* Achillea millefolium L. — yarrow — photo: [1] [2] — Plymouth. Occasional

Ambrosia artemisiifolia L. — annual ragweed — photo: [1] [2] — Plymouth.

Antennaria neglecta Greene — pussytoes — Plymouth.

Antennaria neodioica Greene — Greene's pussytoes — photos: [1] [2] [3] — Plymouth. Rare

Aster acuminatus Michaux (Oclemena acuminata (Michx.) Greene 1903) — sharp-leaved aster, whorled wood aster — photos: [1] [2] [3] — Carver; Plymouth. Once, EastHead Res.

Aster dumosus L. (Symphyotrichum dumosum G.L.Nesom 1994) — long-stalked aster — photos: [1] [2] [3] [4] [5] [6] — Plymouth.

Aster ericoides L. (Symphyotrichum ericoides (L.) Nesom) — heath white aster — photos: [1] [2] [3] [4] — Plymouth.

Aster lanceolatus Willd. (Symphyotrichum lanceolatum Nesom 1994) — tall white aster, panicled aster — photo: [1] [2] — Plymouth.

Aster lateriflorus (L.) Britton (Symphyotrichum lateriflorum (L.) A. et D. Löve 1982) — calico aster — photo: [1] [2] — Plymouth.

Aster linariifolius L. (Ionactis linariifolia (L.) Greene) — stiff aster, spruce aster — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Plymouth. Common

Aster nemoralis Aiton (Oclemena nemoralis (Ait.) Greene 1903) — bog aster — Plymouth.

Aster novi-belgii L. (Symphyotrichum novi-belgii (L.) Nesom 1994) — New York aster — photos: [1] [2] [3] [4] [5] [6] — Carver; Plymouth. Common

Aster pilosus Willd. (Symphyotrichum pilosum (Willd.) Nesom) — white oldfield aster — photos: [1] [2] [3] [4] [5] [6] [7] — Carver; Plymouth. Common

Aster racemosus Ell. (Symphyotrichum racemosum Nesom 1994) — smooth white oldfield aster — Carver; Plymouth. Occurs

Aster sp. (Symphyotrichum sp. ) — — Plymouth.

Aster spectabilis Ait. (Eurybia spectablis (Ait.) G.L.Nesom 1994) — showy aster — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] — Plymouth. Common

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

** Centaurea maculosa Lam. (C. stoebe ssp. micranthos (Gugler) Hayek) — spotted or bushy knapweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Plymouth. Occasional

Cirsium pumilum (Nutt.) Sprengel — pasture thistle — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Plymouth. A small population of half-a-dozen flowering plants and rosettes at a frost-pocket margin

* Cirsium vulgare (Savi) Ten. — bull thistle — photo: [1] [2] — Plymouth.

Conyza canadensis (L.) Cronq. — horseweed, hogweed — photo: [1] [2] — Plymouth. Occasional

Conyza canadensis var. pusilla (Nutt.) Cronq. (Conyza parva Cronq.) — dwarf horseweed, coastal horseweed — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Occasional

Coreopsis rosea Nutt. — pink tickweed — photos: [1] [2] [3] [4] [5] — Plymouth. Common at some ponds

Erechtites hieracifolia (L.) Raf. ex DC. — burnweed, fireweed, pilewort — photos: [1] [2] [3] — Carver; Plymouth. Occasional

Erigeron strigosus Muhl. — rough fleabane — photos: [1] [2] [3] [4] [5] — Plymouth.

Eupatorium leucolepis var. novae-angliae Fernald (novae-angliae V.I. Sullivan) — New England boneset, pondshore boneset — photos: [1] [2] [3] [4] — Plymouth.

Eupatorium perfoliatum L. — boneset, thoroughwort — photo: [1] [2] — Carver. Occurs (East Head Reservoir)

Eupatorium pilosum Walter (rotundifolium var. saundersii (Porter) Cronq.) — rough boneset, verbena boneset — photo: [1] [2] — Carver; Plymouth.

Eupatorium rotundifolium var. ovatum (Bigelow) Torrey (pubescens Muhl. ex Willd.) — hairy boneset — photos: [1] [2] [3] — Carver.

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

Euthamia tenuifolia (Pursh) Nutt. (Solidago tenuifolia Pursh) — slender goldenrod — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Plymouth. Common around ponds

Gnaphalium obtusifolium L. (Pseudognaphalium obtusifolium (l.) Hillard et Burtt) — sweet everlasting — photo: [1] [2] — Carver; Plymouth.

* Helenium flexuosum Raf. (nudiflorum Nutt.) — purple-head sneezeweed — photos: [1] [2] [3] [4] — Carver; Plymouth. Once

Hieracium gronovii L. — Gronovius' hawkweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Carver; Plymouth.

* Hieracium pilosella L. — mouse-ear hawkweed — photo: [1] [2] — Plymouth.

** Hieracium pratense Tausch (H. caespitosum Dumort.) — king-devil, meadow hawkweed — W border

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

* Hypochaeris radicata L. — hairy cat's-ear — photos: [1] [2] [3] — Carver; Plymouth. Occurs

Krigia virginica (L.) Willd. — dwarf dandelion — photo: [1] — Carver; Plymouth. W border

Lactuca canadensis L. — yellow wild lettuce — photos: [1] [2] [3] [4] — Plymouth. Occurs

* Leontodon autumnalis L. — fall dandelion — photo: [1] [2] — Plymouth. Once

Liatris scariosa var. novae-angliae Lunell — New England blazing-star — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Plymouth. Occurs

Pityopsis falcata (Pursh) Nutt. (Chrysopsis falcata (Pursh) Ell.) — sickle-leaved golden aster — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Carver; Plymouth. Common

Prenanthes trifoliolata (Cass.) Fern. — tall rattlesnake-root — photos: [1] [2] [3] [4] [5] [6] [7] — Carver; Plymouth. Occasional

* Rudbeckia hirta var. pulcherrima Farw. — black-eyed Susan — photo: [1] [2] — Plymouth. Occasional

Sericocarpus asteroides (L.) B.S.P. (Aster paternus Cronq.) — toothed white-topped aster — photos: [1] [2] [3] [4] [5] [6] — Plymouth. Occasional

Sericocarpus linifolius (L.) B.S.P. (Aster solidagineus Michaux) — narrow-leaved white-topped aster — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Plymouth. Occasional

Solidago bicolor L. — silverrod, white goldenrod — photos: [1] [2] [3] [4] [5] [6] — Plymouth. Occasional

Solidago canadensis L. — Canada goldenrod — Plymouth. Occasional

Solidago nemoralis Ait. — gray goldenrod — photos: [1] [2] [3] — Plymouth. Occurs

Solidago odora Aiton — licorice goldenrod, sweet goldenrod — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Plymouth. Common

Solidago puberula Nutt. — downy goldenrod — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Plymouth. Common

Solidago rugosa P. Miller — rough-stemmed goldenrod — photos: [1] [2] [3] [4] [5] — Plymouth. Common

Solidago rugosa ssp. aspera (Aiton) Cronq. — rough goldenrod, barrens goldenrod — Plymouth.

* Tanacetum vulgare L. — common tansy — photo: [1] [2] — Plymouth. Occurs

* Tragopogon pratensis L. — yellow goat's-beard — photo: [1] [2] — Plymouth. Occurs

** Tussilago farfara L. — coltsfoot — photo: [1] — Carver. W border

Betulaceae

Alnus serrulata (Ait.) Willd. — smooth alder, common alder — Carver. Occasional

Betula papyrifera Marsh. — paper birch — photos: [1] [2] [3] — Carver; Plymouth. Rare, occurs around East Head Reservoir

Betula populifolia Marsh. — gray birch — photo: [1] — Plymouth. Common

Bignoniaceae

* Campsis radicans (L.) Seemann ex Bureau — trumpet creeper — photo: [1] — Plymouth. Once, near camp grounds at Curlew Pond

Brassicaceae

** Alliaria petiolata (Bieb.) Cavara et Grande (officinalis Andrz.) — garlic mustard — photo: [1] — Carver.

* Draba verna L. — whitlow-grass — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Plymouth. Occasional

* Erysimum x marshalli (Henfr.) Bois (garden hybrid, parentage uncertain ) — wallflower — photos: [1] [2] [3] [4] — Carver. Once, at West Entrance

* Lepidium campestre (L.) Aiton f. — field-cress, cow-cress — photos: [1] [2] [3] [4] — Plymouth. Occasional

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

* Teesdalia nudicaulis Ait. f. — shepherd cress — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Carver; Plymouth. Once, at W border, near mobile homes

Cabombaceae

Brasenia schreberi J.F. Gmel. — watershield — photos: [1] [2] [3] [4] [5] — Plymouth. Dominant

** Cabomba caroliniana A. Gray — Carolina fanwort — photos: [1] [2] [3] [4] [5] [6] [7] — Carver; Plymouth. Dominant in EastHead Res.

Campanulaceae

** Jasione montana L. — sheep's bit — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Carver; Plymouth. Occasional

Lobelia dortmanna L. — water lobelia — photos: [1] [2] [3] [4] [5] — Plymouth. Present in Curlew Pond; common in Fawn Pond and Little Long Pond

Caprifoliaceae

** Lonicera morrowii A. Gray — Morrow's honeysuckle — photos: [1] [2] [3] [4] [5] [6] — Plymouth. Occasional

** Lonicera x bella Zabel (morrowii x tatarica ) — whitebell honeysuckle — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Plymouth.

Viburnum dentatum var. lucidum Ait. (recognitum Fern.) — northern arrow-wood — occasional

Viburnum nudum var. cassinoides (L.) Torr. et Gray — wild raisin, witherod — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common

Caryophyllaceae

* Dianthus armeria L. — debtford pink — photo: [1] — Plymouth. Occurs

* Lychnis chalcedonica L. — scarlet lychnis, Maltese cross — photo: [1] [2] — Carver. Single location: West Entrance

* Silene latifolia ssp. alba (P. Mill.) Greuter et Burdet (Lychnis alba P. Miller) — white campion or evening lychnis — photos: [1] [2] [3] [4] [5] — Plymouth.

* Silene vulgaris (Moench) Garcke (cucubalus Wibel) — bladder-campion — occurs

* Spergula arvensis L. — spurrey — photos: [1] [2] [3] [4] — Carver; Plymouth. Occasional

Celastraceae

** Celastrus orbiculata Thunb. — Oriental bittersweet, Asian bittersweet — photo: [1] — Plymouth.

Chenopodiaceae

* Chenopodium album L. — pigweed, lamb's quarters — photos: [1] [2] [3] [4] [5] — Plymouth.

Cistaceae

Helianthemum canadense (L.) Michx. (Crocanthemum canadense (L.) Britton) — longbranch frostweed — photos: [1] [2] [3] [4] — Carver; Plymouth. Common

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

Lechea intermedia Leggett ex Britt. — largepod pinweed — photo: [1] [2] — Plymouth.

Lechea maritima Leggett ex B.S.P. — beach pinweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Carver; Plymouth.

Clethraceae

Clethra alnifolia L. — sweet pepperbush — photos: [1] [2] [3] [4] — Carver; Plymouth. Dominant

Clusiaceae

Hypericum canadense L. — Canadian St. Johnswort — photo: [1] [2] — Plymouth. Occasional

Hypericum gentianoides (L.) B.S.P. — orangegrass — photos: [1] [2] [3] [4] [5] — Plymouth. Common

Hypericum mutilum L. — dwarf St. Johnswort — photo: [1] — Plymouth. Occasional

* Hypericum perforatum L. — common St. Johnswort — photo: [1] — Plymouth. Occasional

Hypericum punctatum Lam. — spotted St. John's-wort — photos: [1] [2] [3] — Plymouth.

Triadenum virginicum (L.) Raf. (Hypericum virginicum L.) — marsh St. Johnswort — Plymouth. Occasional

Cornaceae

Cornus amomum P. Mill. — silky dogwood — photo: [1] — Plymouth.

Cuscutaceae

Cuscuta gronovii Willd. ex J.A. Schultes — dodder — photo: [1] [2] — Plymouth. Occasional

Droseraceae

Drosera filiformis Raf. — thread-leaf sundew — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Plymouth. Dominant at least at two ponds

Drosera intermedia Hayne — spoonleaf sundew — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Occasional

Drosera rotundifolia L. — roundleaf sundew — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Occasional

Elaeagnaceae

** Elaeagnus umbellata Thunb. — autumn-olive, oleaster — photo: [1] [2] — Plymouth. Occasional (e.g., Barrett Pond) to dominant at Cutter Field (planted)

Empetraceae

Corema conradii (Torrey) Torrey ex Loudon — broom-crowberry — 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] — Plymouth.

Ericaceae

Arctostaphylos uva-ursi A. et D. Love et Kapoor — kinnikinnik, bearberry — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Dominant

Chamaedaphne calyculata (L.) Moench — leatherleaf, cassandra — photos: [1] [2] [3] [4] [5] — Plymouth. Dominant around ponds

Epigaea repens L. — trailing arbutus, mayflower — photos: [1] [2] [3] [4] — Plymouth. Occasional

Gaultheria procumbens L. — wintergreen, checkerberry, eastern teaberry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Carver; Plymouth. Dominant

Gaylussacia baccata (Wangenh.) K. Koch — black huckleberry — photos: [1] [2] [3] [4] — Carver; Plymouth. Dominant

Gaylussacia dumosa (Andr.) Torrey and A. Gray — bog hucklberry — photos: [1] [2] [3] [4] — Plymouth. Once, EastHead Res.

Gaylussacia frondosa (L.) Torr. et Gray ex Torr. — blue huckleberry, dangleberry — photo: [1] [2] — Carver; Plymouth. Occasional

Kalmia angustifolia L. — sheep laurel — photos: [1] [2] [3] [4] — Plymouth. Dominant around some ponds and in frost pockets

Kalmia latifolia L. — mountain laurel — photo: [1] — Plymouth. Once

Lyonia ligustrina (L.) DC. — maleberry — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common around ponds

Rhododendron viscosum (L.) Torr. — swamp azalea — photos: [1] [2] [3] [4] — Carver; Plymouth. Occasional

Vaccinium angustifolium Ait. — lowbush blueberry — photo: [1] — Plymouth. Common

Vaccinium corymbosum L. — highbush blueberry — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common

Vaccinium fuscatum Ait. (atrococcum (Gray) Heller) — black highbush blueberry — photos: [1] [2] [3] [4] [5] — Plymouth. Occasionally common

Vaccinium macrocarpon Ait. — American cranberry, large cranberry — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Occasional

Vaccinium pallidum Ait. (vacillans Kalm ex Torr.) — hillside blueberry, dryland blueberry — photo: [1] [2] — Plymouth. Dominant

Euphorbiaceae

Euphorbia maculata L. (Chamaesyce maculata (L.) Small) — spotted spurge — photos: [1] [2] [3] [4] — Plymouth. Rare

Fabaceae

Baptisia tinctoria (L.) R. Br. ex Ait. f. — yellow wild indigo, horsefly weed — photo: [1] — Plymouth. Occasional

Chamaecrista nictitans (L.) Moench (Cassia nictitans L.) — wild sensitive plant — photo: [1] [2] — Plymouth.

* Cytisus scoparius (L.) Link — scotch broom — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Plymouth. Common in some fields

Desmodium canadense (L.) DC. — showy ticktrefoil — Plymouth. In sown field near College Pond

Desmodium marilandicum (L.) DC. — Maryland or smooth small-leaved tick-trefoil — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Unpaved road and field edge N of Three Cornered Pond Rd.

Lespedeza capitata Michx. — round-headed bush-clover — occasional

Lespedeza hirta (L.) Hornem. — hairy bush-clover — photo: [1] — Plymouth. Occasional

Lespedeza intermedia (S. Wats.) Britt. — intermediate bush-clover — photos: [1] [2] [3] — Plymouth. Occasional

** Lespedeza thunbergii ssp. formosa (Nakai) H. Ohashi — tall bushclover — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] — Carver; Plymouth. Dominant at gas line NE of East Head Res., in some fields, along some roads

* Robinia hispida L. — bristly locust — photos: [1] [2] [3] [4] [5] [6] — Plymouth. Occasionally dominates (Alden Rd./high-voltage line intersection)

** Robinia pseudoacacia L. — black locust — photo: [1] [2] — Plymouth. Dominant in some fields (near College Pond; off Cutterfield Rd.)

Tephrosia virginiana (L.) Pers. — goat's rue — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Plymouth. Common

* Trifolium agrarium L. (aureum Pollich) — golden clover, palmate clover — Plymouth. Occasional

* Trifolium arvense L. — rabbit-foot clover — photos: [1] [2] [3] — Plymouth. Occasional

* Trifolium repens L. — white clover — rare

* Vicia tetrasperma (L.) Schreber — four-seed vetch — photo: [1] [2] — Plymouth.

Fagaceae

Castanea dentata (Marsh.) Borkh. — American chestnut — rare (found twice)

Fagus grandifolia Ehrh. — American beech — photo: [1] [2] — Plymouth.

Quercus alba L. — white oak — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Occasional to common

Quercus coccinea Muenchh. — scarlet oak — Carver; Plymouth. Rare

Quercus ilicifolia Wangenh. — scrub oak, bear oak — 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] — Plymouth. Dominant

Quercus prinoides Willd. — dwarf chestnut oak — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Carver; Plymouth. Occasional

Quercus rubra L. — northern red oak — occasional

Quercus velutina Lam. — black oak — Plymouth. Occasional to common

Gentianaceae

Bartonia paniculata (Michaux) Muhl. — panickled screw-stem — photo: [1] [2] — Plymouth.

Bartonia virginica (L.) B.S.P. — screw-stem — photo: [1] [2] — Carver.

Sabatia kennedyana Fern. — Plymouth gentian — photos: [1] [2] [3] [4] [5] — Plymouth. A single known location

Haloragaceae

Myriophyllum humile (Raf.) Morong — lowly water-milfoil — photos: [1] [2] [3] [4] [5] — Plymouth.

Myriophyllum sp. — — Plymouth.

Proserpinaca palustris L. — mermaid-weed — photos: [1] [2] [3] [4] — Plymouth.

Proserpinaca pectinata Lam. — cut-leaved mermaid-weed — photos: [1] [2] [3] — Plymouth.

Lamiaceae

* Hyssopus officinalis L. — hyssop — photo: [1] [2] — Plymouth. Once, at the dumpster

Lycopus uniflorus Michaux — tuberous water-horehound — photo: [1] [2] — Carver; Plymouth. Occasional

Lycopus virginicus L. — Virginia water-horehound, floodplain water-horehound — occasional

* Prunella vulgaris ssp. vulgaris L. — Eurasian heal-all — photo: [1] [2] — Plymouth. Rare

Pycnanthemum muticum (Michaux) Pers. — short-toothed mountain mint — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Plymouth.

Pycnanthemum tenuifolium Schrader — slender-leaved mountain mint — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Plymouth. A single known location

Trichostema dichotomum L. — forked bluecurls — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Carver; Plymouth. Occasional

Lauraceae

Sassafras albidum (Nutt.) Nees — sassafras — rare

Lentibulariaceae

Utricularia cornuta Michaux — horned bladderwort, naked bladderwort — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] — Carver; Plymouth. Dominant at some ponds

Utricularia gibba L. — humped bladderwort — photo: [1] [2] — Plymouth. Once, scarce

Utricularia inflata Walter — inflated bladderwort — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Carver; Plymouth. A single known population

Utricularia intermedia Hayne — northern bladderwort, flat-leaved milfoil — photos: [1] [2] [3] [4] — Carver; Plymouth.

Utricularia purpurea Walt. — purple bladderwort — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Carver; Plymouth. Common

Utricularia radiata Small (inflata var. minor Chapman) — small floating bladderwort — photos: [1] [2] [3] [4] [5] — Plymouth. Occasional

Linaceae

* Linum usitatissimum L. — common flax — photos: [1] [2] [3] [4] [5] — Carver. Once, at West Entrance

Linum virginianum L. — Virginia yellow flax — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Occasional

Lythraceae

Decodon verticillatus (L.) Ell. — swamp loosestrife, water-willow — photo: [1] — Carver. Common

** Lythrum salicaria L. — purple loosestrife — common at some places

Melastomataceae

Rhexia virginica L. — northern meadowbeauty, wingstem meadow-pitchers — photos: [1] [2] [3] [4] [5] [6] [7] [8] — Carver; Plymouth. Occasional to common at some ponds

Menyanthaceae

Nymphoides cordata (Ell.) Fern. — floating heart — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Common in Little Long Pond; Three-Cornered Pond

Molluginaceae

* Mollugo verticillata L. — carpetweed — photo: [1] [2] — Plymouth. rare (or occasional)

Monotropaceae

Monotropa hypopitys L. (Hypopitys monotropa Crantz) — pine-sap, false beech-drops — photos: [1] [2] [3] — Carver; Plymouth. Rare

Monotropa uniflora L. — Indian pipe — occasional

Myricaceae

Comptonia peregrina (L.) Coulter — sweet-fern — photos: [1] [2] [3] — Plymouth. Common

Myrica gale L. — sweet gale — photos: [1] [2] [3] [4] — Carver; Plymouth. Common to dominant around some ponds

Myrica pensylvanica Loisel. — bayberry, wax-myrtle — photos: [1] [2] [3] [4] — Plymouth. Common

Nymphaeaceae

Nuphar variegata Durand ex Clinton — yellow water-lily — photos: [1] [2] [3] — Plymouth. Common

Nymphaea odorata Ait. — American white waterlily, fragrant waterlily — photos: [1] [2] [3] — Plymouth. Common

Onagraceae

Ludwigia palustris (L.) Ell. — water-purslane, mud-loosestrife — photos: [1] [2] [3] [4] — Plymouth. Common at Bumps Pond

Oenothera biennis L. — common evening-primrose — photo: [1] — Plymouth. Occasional to common at disturbed habitats

Phytolaccaceae

Phytolacca americana L. — pokeweed — photos: [1] [2] [3] — Plymouth. Rare

Plantaginaceae

** Plantago aristata Michaux — bracted plantain — photo: [1] — Plymouth.

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

* Plantago major L. — common plantain, white man's foot — Carver. Occasional

Polygalaceae

Polygala cruciata L. — cross-leaved milkwort — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] — Plymouth. Common to dominant around some ponds/wetlands

Polygala nuttallii Torrey et A. Gray — Nuttall's milkwort — photos: [1] [2] [3] [4] [5] [6] — Plymouth. A single known location

Polygala verticillata L. — whorled milkwort — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Plymouth.

Polygonaceae

Polygonella articulata (L.) Meisner — jointweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] — Plymouth. Occasional to common

* Polygonum persicaria L. — lady's thumb — photos: [1] [2] [3] — Plymouth.

Polygonum sagittatum L. — arrow-leaf tearthumb — photo: [1] — Plymouth.

Polygonum scandens L. — climbing false buckwheat — once, high-voltage line

** Rumex acetosella L. — sheep sorrel, red sorrel — photo: [1] — Plymouth. Occasional

Primulaceae

Lysimachia quadrifolia L. — whorled loosestrife — common

Lysimachia terrestris (L.) B.S.P. — swamp candles — photo: [1] — Carver; Plymouth. Occasional

Trientalis borealis Raf. — American starflower — common

Pyrolaceae

Chimaphila maculata (L.) Pursh — striped pipsissewa, spotted wintergreen — occasional

Chimaphila umbellata ssp. cisatlantica (Blake) Hulten — pipsissewa — photo: [1] [2] — Carver. Rare

Pyrola americana Sweet (rotundifolia var. americana (Sweet) Fern.) — round-leaved shinleaf, glossy shinleaf — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] — Carver; Plymouth. Occasional

Ranunculaceae

Anemone quinquefolia L. — wood anemone, wind-flower — photos: [1] [2] [3] [4] [5] — Plymouth. Common

Rhamnaceae

** Rhamnus frangula L. (Frangula alnus P. Miller) — glossy buckthorn — photo: [1] — Plymouth. Occasional

Rosaceae

Amelanchier canadensis (L.) Medicus — thicket shadbush, eastern serviceberry, juneberry — photo: [1] — Plymouth. Occasional

Amelanchier sp. cf. laevis — — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] — Plymouth. Rare

Amelanchier spicata (Lam.) K. Koch (spicata auct. ) — running serviceberry, running shadbush — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth.

Aronia arbutifolia (L.) Ell. — red chokeberry — photo: [1] [2] — Carver. Seen twice, both times on west bank of East Head Reservoir

Aronia melanocarpa (Michx.) Ell. — black chokeberry — photos: [1] [2] [3] — Plymouth. Common

Fragaria sp. — — old house site at Barrett Pond

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

* Malus sp. — — photo: [1] [2] — Carver. Occasional along roads

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

Potentilla canadensis L. — dwarf cinquefoil — photo: [1] [2] — Plymouth.

Potentilla norvegica L. — three-finger, strawberry weed — photos: [1] [2] [3] [4] [5] — Plymouth. Occasional

* Potentilla recta L. — sulphur cinquefoil — Plymouth. Occasional

Potentilla simplex Michaux — common cinquefoil — old house site at Barrett Pond

Prunus maritima Marsh. — beach plum — photos: [1] [2] [3] — Plymouth. A single known location (Kamesit Rd.)

* Prunus persica (L.) Batsch — peach — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. A single young fruiting tree at EastHead Res. dam

Prunus pumila var. susquehanae (Willd.) Jaeger — sand cherry — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] — Plymouth. Occasional to dominant at frost pockets and along roads

Prunus serotina Ehrh. — black cherry — photos: [1] [2] [3] [4] [5] [6] — Plymouth. Common

** Rosa multiflora Thunb. ex Murray — multiflora rose — once, in field near College Pond

Rosa palustris Marsh. — swamp rose — photos: [1] [2] [3] [4] [5] — Carver. Occasional

Rubus allegheniensis Porter — Allegheny blackberry, common blackberry — occasional

Rubus hispidus L. — bristly dewberry, swamp dewberry — photo: [1] — Plymouth. Dominant

Rubus idaeus ssp. strigosus (Michaux) Focke — wild red raspberry — photo: [1] — Plymouth. Once

* Sanguisorba minor ssp. muricata (Spach) Nordb. — garden burnet — photos: [1] [2] [3] [4] — Carver; Plymouth. Once, in backyard woods bordering the Forest

Spiraea alba var. latifolia (Aiton) Dippel (latifolia (Aiton) Borkh. ) — meadowsweet — photos: [1] [2] [3] — Carver. Common

Spiraea tomentosa L. — steeplebush — photos: [1] [2] [3] [4] — Carver; Plymouth. Common

Rubiaceae

Diodia teres Walter — buttonweed — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] — Plymouth. Large population at a single known location (EastHead Res. dam)

Galium palustre L. — common marsh bedstraw — photo: [1] [2] — Carver. Occurs

Galium pilosum Aiton — hairy bedstraw — photos: [1] [2] [3] — Plymouth.

Houstonia caerulea L. (Hedeyotis caerulea (L.) Hooker) — bluets — photos: [1] [2] [3] [4] — Plymouth. Occasional (dominant around New Grassy Pond)

Salicaceae

Populus grandidentata Michaux — bigtooth aspen — photo: [1] [2] — Carver; Plymouth. Occasional

* Populus nigra L. — Lombardy poplar, black poplar — photos: [1] [2] [3] [4] — Plymouth.

Populus tremuloides Michaux — trembling aspen — photos: [1] [2] [3] [4] — Plymouth. Rare (found twice)

** Salix atrocinerea Brotero (S. cinerea ssp. oleifolia (Smith) Macreight) — rusty willow — photo: [1] [2] — Carver; Plymouth. Common around ponds

Salix nigra Marsh. — black willow — photo: [1] — Carver. Seen twice (E shore of Little Long Pond, Barrett Pond)

Salix sericea Marsh. — silky willow — photo: [1] — Carver. Seen once: a solitary bush at abandoned cranberry plantation at W border

Salix sp. (hybrid) — — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Once: Wamkinco R. at headquarters

Salix tristis Ait. (humilis var. microphylla (Anderss.) Fern.) — dwarf upland 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] — Plymouth. Rare (five subpopulations along roads and in two frost pockets)

Santalaceae

Comandra umbellata (L.) Nutt. — bastard toadflax — Plymouth.

Scrophulariaceae

Agalinis paupercula (A. Gray) Britton (Gerardia purpurea var. parviflora Bentham) — small-flowered gerardia — photo: [1] — Plymouth. Identified once

Agalinis purpurea (L.) Pernnell (Gerardia purpurea L.) — purple false foxglove — photos: [1] [2] [3] — Carver; Plymouth.

Aureolaria pedicularia (L.) Raf. (Gerardia pedicularia L.) — fernleaf yellow false foxglove — photos: [1] [2] [3] [4] [5] [6] [7] — Plymouth. Occasional to common (along Alden Rd.)

Gratiola aurea Pursh — golden hedge-hyssop — photos: [1] [2] [3] [4] [5] — Plymouth. Common

Melampyrum lineare var. pectinatum (Pennell) Fern. — pine-barrens cow-wheat or comb-leaf cow-wheat — photo: [1] — Plymouth. Common

Nuttallanthus canadensis (L.) D.A. Sutton (Linaria canadensis (L.) Chaz.) — blue toadflax, old-field toadflax — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common

** Verbascum thapsus L. — common mullein — photos: [1] [2] [3] — Plymouth. Occasional

Verbenaceae

Verbena hastata L. — blue vervain, common vervain — photos: [1] [2] [3] [4] — Plymouth. Once (a large population at the dumpster)

Violaceae

Viola lanceolata L. — bog white violet, lance-leaf violet — photo: [1] [2] — Plymouth. Common around some ponds and on high-voltage line

Viola macloskeyi ssp. pallens (Banks ex DC.) M.S. Baker — northern white violet — occurs

Viola pedata L. — birdsfoot violet — photos: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] — Plymouth. Common

Viola sagittata Aiton (fimbriatula J.I. Smith) — arrow-leaf violet — photos: [1] [2] [3] — Carver; Plymouth. Occasional

Viola x primulifolia L. — primrose-leaf violet — photo: [1] — Plymouth. Occasional

Vitaceae

Parthenocissus quinquefolia (L.) Planchon — Virginia creeper — photos: [1] [2] [3] [4] [5] — Carver; Plymouth. Common

Vitis labrusca L. — fox grape — occasional

Plants of Myles Standish State Forest: Illustrated Checklist As of December 2011, the checklist contains 375 species including 80 non-native (marked *), of which 23 are invasive (marked **)