Families: 110
Genera: 377
Species: 803
Total Taxa: 917 (including subsp. and var.)
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Acorus americanus (Raf.) Raf. - sweet-flag
Acorus calamus L. - sweet-flag
Sambucus canadensis L. - elderberry
Sambucus racemosa subsp. pubens L. - scarlet elderberry
Viburnum acerifolium L. - maple-leaved viburnum
Viburnum lentago L. - sheepberry
Viburnum rafinesquianum var. rafinesquianum - downy arrow-wood
Viburnum trilobum Marshall - high-bush cranberry
Alisma subcordatum Raf. - southern water-plantain
Alisma triviale Pursh - northern water-plantain
Sagittaria cristata Engelm. - crested arrow-head
Sagittaria cuneata E.Sheld. - wapato
Sagittaria graminea subsp. graminea - grass-leaved sagittaria
Sagittaria latifolia Willd. - wapato
Sagittaria rigida Pursh - stiff arrow-head
Chenopodium sp. L. - Goosefoot
Chenopodium album L. - lamb's quarters
Chenopodium capitatum var. capitatum - strawberry-blite
Chenopodium simplex (Torr.) Raf. - maple-leaved goosefoot
Cycloloma atriplicifolium (Spreng.) J.M.Coult. - winged pigweed
Salsola tragus L. - tumbleweed
Allium burdickii (Hanes) A.G.Jones - wild leek
Allium tricoccum Sol. - wild leek
Rhus typhina L. - staghorn sumac
Toxicodendron rydbergii (Small ex Rydb.) Greene - western poison-ivy
Anethum graveolens L. - Dill
Cicuta bulbifera L. - bulblet water-hemlock
Cicuta maculata L. - spotted water-hemlock
Cryptotaenia canadensis (L.) DC. - white chervil
Heracleum mantegazzianum Sommier & Levier - giant hogweed
Heracleum maximum W.Bartram - American cow-parsnip
Osmorhiza berteroi DC. - tapering sweet-root
Osmorhiza claytonii (Michx.) C.B.Clarke - hairy sweet cicely
Pastinaca sativa L. - wild parsnip
Sanicula marilandica L. - Maryland sanicle
Sium suave Walter - water-parsnip
Apocynum androsaemifolium L. - spreading dogbane
Asclepias exaltata L. - tall milkweed
Asclepias incarnata L. - swamp milkweed
Asclepias incarnata subsp. incarnata - swamp milkweed
Asclepias syriaca L. - silkweed
Vinca minor L. - running-myrtle
Ilex mucronata (L.) M.Powell, V.Savolainen & S.Andrews - mountain holly
Ilex verticillata (L.) A.Gray - common winterberry
Arisaema triphyllum (L.) Schott - Jack-in-the-pulpit
Calla palustris L. - wild calla
Lemna minor L. - small duckweed
Lemna trisulca L. - star duckweed
Lemna turionifera Landolt - Turion duckweed
Spirodela polyrrhiza (L.) Schleid. - greater duckweed
Aralia hispida Vent. - bristly sarsaparilla
Aralia nudicaulis L. - wild sarsaparilla
Aralia racemosa L. - life-of-man
Hydrocotyle americana L. - marsh pennywort
Panax trifolius L. - groundnut
Asarum canadense L. - wild-ginger
Asparagus officinalis L. - garden asparagus
Maianthemum canadense Desf. - wild lily-of-the-valley
Maianthemum canadense var. canadense - wild lily-of-the-valley
Maianthemum racemosum subsp. racemosum - Solomon's-plume
Maianthemum trifolium (L.) Sloboda - three-leaf Solomon's-plume
Polygonatum biflorum (Walter) Elliott - Solomon's-seal
Polygonatum pubescens (Willd.) Pursh - hairy Solomon's-seal
Asplenium trichomanes L. - maidenhair spleenwort
Asplenium trichomanes subsp. quadrivalens D.E.Mey. - maidenhair spleenwort
Asplenium trichomanes subsp. trichomanes - maidenhair spleenwort
Achillea millefolium L. - milfoil
Ageratina altissima subsp. altissima (L.) R.M.King & H.Rob. - white snakeroot
Ambrosia artemisiifolia L. - short ragweed
Ambrosia psilostachya DC. - western ragweed
Ambrosia trifida L. - horse-cane
Anaphalis margaritacea (L.) Benth. & Hook.f. - western pearly everlasting
Antennaria howellii - Howell's pussy-toes
Antennaria howellii subsp. canadensis (Greene) R.J.Bayer - Howell's pussy-toes
Antennaria howellii subsp. neodioica (Greene) R.J.Bayer - Howell's pussy-toes
Antennaria neglecta Greene - field pussy-toes
Artemisia serrata Nutt. - toothed sage
Aster sp. L. - aster
Bellis perennis L. - lawn daisy
Bidens beckii Torr. ex Spreng. - water-marigold
Bidens cernua L. - nodding bur-marigold
Bidens frondosa L. - devil's beggar-ticks
Centaurea jacea L. - brown-ray knapweed
Centaurea scabiosa L. - hard-heads
Centaurea stoebe subsp. micranthos L. - spotted knapweed
Cirsium arvense (L.) Scop. - field thistle
Cirsium muticum Michx. - swamp thistle
Cirsium palustre (L.) Scop. - marsh thistle
Cirsium vulgare (Savi) Ten. - common thistle
Conyza canadensis (L.) Cronquist - hogweed
Cota tinctoria (L.) J.Gay ex Guss. - yellow chamomile
Doellingeria umbellata (Mill.) Nees - tall flat-topped white aster
Doellingeria umbellata var. pubens (Mill.) Nees - parasol aster
Echinacea purpurea (L.) Moench - eastern purple coneflower
Erigeron annuus (L.) Pers. - eastern daisy fleabane
Erigeron philadelphicus var. philadelphicus - Philadelphia daisy
Erigeron strigosus Muhl. ex Willd. - rough fleabane
Erigeron strigosus var. septentrionalis (Fernald & Wiegand) Fernald - prairie fleabane
Erigeron strigosus var. strigosus - rough fleabane
Eupatorium perfoliatum L. - thoroughwort
Eurybia macrophylla (L.) Cass. - large-leaved aster
Euthamia graminifolia (L.) Nutt. - grass-leaved goldenrod
Eutrochium maculatum L. - spotted Joe-Pye-weed
Eutrochium maculatum var. maculatum (L.) E.E.Lamont - spotted Joe-Pye-weed
Eutrochium purpureum (L.) E.E.Lamont - purple Joe-Pye-weed
Gnaphalium uliginosum L. - marsh cudweed
Helenium autumnale L. - common sneezeweed
Helianthus giganteus L. - tall sunflower
Heliopsis helianthoides var. scabra (Dunal) Fernald - sunflower-everlasting
Hieracium aurantiacum L. - red daisy
Hieracium caespitosum Dumort. - yellow king-devil
Hieracium piloselloides Vill. - king-devil
Hieracium scabrum Michx. - sticky hawkweed
Hieracium umbellatum L. - northern hawkweed
Hypochaeris radicata L. - spotted cat's-ear
Lactuca biennis (Moench) Fernald - woodland lettuce
Lactuca canadensis L. - wild lettuce
Leontodon saxatilis subsp. saxatilis Lam. - rough hawk's-bit
Leucanthemum vulgare Lam. - ox-eye daisy
Packera aurea (L.) A.Löve & D.Löve - heart-leaved groundsel
Packera paupercula (Michx.) Á.Löve & D.Löve - northern ragwort
Packera paupercula var. paupercula - northern ragwort
Petasites frigidus var. palmatus (Aiton) Cronquist - northern sweet-colt's-foot
Prenanthes alba L. - white rattlesnakeroot
Pseudognaphalium macounii (Greene) Kartesz - western cudweed
Pseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt - rabbit-tobacco
Ratibida pinnata (Vent.) Barnhart - pinnate prairie coneflower
Rudbeckia hirta - black-eyed Susan
Rudbeckia hirta var. pulcherrima Farw. - black-eyed Susan
Rudbeckia laciniata var. laciniata - wild golden-glow
Senecio sylvaticus L. - woodland ragwort
Solidago altissima L. - late goldenrod
Solidago altissima subsp. altissima L. - late goldenrod
Solidago canadensis L. - common goldenrod
Solidago canadensis var. canadensis - common goldenrod
Solidago canadensis var. hargeri Fernald - Harger's goldenrod
Solidago flexicaulis L. - zigzag goldenrod
Solidago gigantea Aiton - smooth goldenrod
Solidago hispida Muhl. ex Willd. - hairy goldenrod
Solidago juncea Aiton - early goldenrod
Solidago lepida subsp. lepida DC. - Western Canada goldenrod
Solidago lepida subsp. lepida var. salebrosa DC. - salebrosa goldenrod
Solidago nemoralis Aiton - old-field goldenrod
Solidago nemoralis subsp. nemoralis - old-field goldenrod
Solidago rigida subsp. rigida - stiff goldenrod
Solidago uliginosa Nutt. - northern bog goldenrod
Symphyotrichum boreale (Torr. & A.Gray) A.Löve & D.Löve - slender white bog aster
Symphyotrichum ciliolatum (Lindl.) A.Löve & D.Löve - northern heart-leaved aster
Symphyotrichum lanceolatum var. lanceolatum (Willd.) G.L.Nesom - white panicle aster
Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve - side-flowering aster
Symphyotrichum pilosum (Willd.) G.L.Nesom - white old-field aster
Symphyotrichum praealtum (Poir.) G.L.Nesom - willow-leaved aster
Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L.Nesom - zigzag aster
Symphyotrichum puniceum (L.) Á.Löve & D.Löve - swamp aster
Tanacetum vulgare L. - tansy
Taraxacum officinale F.H.Wigg. - common dandelion
Impatiens sp. L. - Touch-Me-Not
Impatiens capensis Meerb. - spotted touch-me-not
Caulophyllum thalictroides (L.) Michx. - squaw-root
Alnus incana (L.) Moench - swamp alder
Alnus incana subsp. rugosa (Du Roi) R.T.Clausen - swamp alder
Betula alleghaniensis Britton - yellow birch
Betula papyrifera Marshall - white birch
Betula pumila L. - swamp birch
Betula x sandbergii Britton - Sandberg's birch
Corylus americana Walter - American hazelnut
Corylus cornuta - beaked hazelnut
Corylus cornuta subsp. cornuta - beaked hazelnut
Ostrya virginiana (Mill.) K.Koch - ironwood
Cynoglossum boreale Fernald - northern wild comfrey
Cynoglossum officinale L. - gypsy-flower
Mertensia paniculata - tall lungwort
Mertensia paniculata var. paniculata - tall lungwort
Myosotis arvensis (L.) Hill - field scorpion-grass
Myosotis scorpioides L. - water scorpion-grass
Myosotis sylvatica Ehrh. ex Hoffm. - woodland forget-me-not
Symphytum officinale L. - common comfrey
Alliaria petiolata (M.Bieb.) Cavara & Grande - garlic mustard
Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz - sand cress
Barbarea vulgaris W.T.Aiton - yellow-rocket
Berteroa incana (L.) DC. - hoary-alyssum
Brassica rapa L. - turnip
Bunias orientalis L. - Turkish warty-cabbage
Cardamine diphylla (Michx.) A.W.Wood - crinkle-root
Cardamine parviflora L. - small-flowered bitter-cress
Cardamine pensylvanica Muhl. ex Willd. - Pennsylvania bitter-cress
Lepidium densiflorum Schrad. - small peppergrass
Nasturtium officinale W.T.Aiton - watercress
Rorippa sp. Scop. - Yellowcress
Rorippa palustris (L.) Besser - common yellow-cress
Rorippa palustris subsp. palustris (L.) Besser - marsh-cress
Sisymbrium altissimum L. - tall tumble mustard
Turritis glabra L. - tower rock-cress
Brasenia schreberi J.F.Gmel. - water-shield
Campanula aparinoides var. grandiflora Holz. - marsh bellflower
Campanula rotundifolia L. - harebell
Lobelia inflata L. - Indian-tobacco
Lobelia siphilitica L. - great blue lobelia
Lobelia siphilitica var. siphilitica - great blue lobelia
Diervilla lonicera Mill. - northern bush-honeysuckle
Linnaea borealis - twinflower
Linnaea borealis var. longiflora L. - twinflower
Lonicera canadensis W.Bartram ex Marshall - American fly honeysuckle
Lonicera hirsuta Eaton - hairy honeysuckle
Lonicera morrowii A.Gray - Morrow's honeysuckle
Lonicera tatarica L. - Tartarian honeysuckle
Lonicera villosa (Michx.) Schult. - mountain fly honeysuckle
Lonicera X bella Zabel - white-bell honeysuckle
Symphoricarpos albus var. laevigatus (Fernald) S.F.Blake - western snowberry
Valeriana officinalis L. - garden valerian
Agrostemma githago var. githago - corn cockle
Atocion armeria (L.) Raf. - sweet-William catchfly
Cerastium fontanum - common mouse-ear chickweed
Cerastium fontanum subsp. vulgare (Hartm.) Greuter & Burdet - mouse-ear chickweed
Dianthus armeria - Deptford pink
Dianthus armeria subsp. armeria - Deptford pink
Dianthus barbatus subsp. barbatus L. - sweet-William
Gypsophila muralis L. - low baby's-breath
Moehringia macrophylla (Hook.) Fenzl - large-leaved sandwort
Sagina procumbens L. - matted pearlwort
Saponaria officinalis L. - soapwort
Silene latifolia Poir. - white cockle
Spergula arvensis L. - corn spurry
Spergularia rubra (L.) J.Presl & C.Presl - roadside sand-spurrey
Stellaria borealis - northern starwort
Stellaria graminea L. - starwort
Stellaria longifolia Muhl. ex Willd. - long-leaved stitchwort
Celastrus scandens L. - climbing bittersweet
Ceratophyllum demersum L. - hornwort
Ceratophyllum echinatum A.Gray - spiny hornwort
Hudsonia tomentosa var. tomentosa - woolly beach-heather
Uvularia grandiflora Sm. - large-flowered bellwort
Uvularia sessilifolia L. - wild-oats
Calystegia spithamaea (L.) Pursh - low false bindweed
Cornus alternifolia L.f. - pagoda dogwood
Cornus canadensis L. - dwarf cornel
Cornus rugosa Lam. - round-leaved dogwood
Cornus sericea L. - red osier dogwood
Echinocystis lobata (Michx.) Torr. & A.Gray - wild-cucumber
Juniperus communis var. depressa Pursh - common juniper
Juniperus virginiana L. - eastern red-cedar
Thuja occidentalis L. - northern white-cedar
Carex sp. L. - Sedge
Carex adusta Boott - lesser brown sedge
Carex arcta Boott - northern clustered sedge
Carex arctata Boott - drooping woodland sedge
Carex aurea Nutt. - golden-fruited sedge
Carex bebbii (L.H.Bailey) Olney ex Fernald - Bebb's sedge
Carex blanda Dewey - wood sedge
Carex brunnescens (Pers.) Poir. - green bog sedge
Carex brunnescens subsp. sphaerostachya (Tuck.) Kalela - green bog sedge
Carex canescens L. - silvery sedge
Carex castanea Wahlenb. - chestnut woodland sedge
Carex chordorrhiza Ehrh. ex L.f. - creeping sedge
Carex communis L.H. Bailey - fibrous-root sedge
Carex communis var. communis - fibrous-root sedge
Carex comosa Boott - bristly sedge
Carex crawfordii Fernald - Crawford's sedge
Carex crinita - fringed sedge
Carex crinita var. crinita - fringed sedge
Carex cristatella Britton - crested sedge
Carex debilis var. rudgei L.H.Bailey - white-edge sedge
Carex deflexa var. deflexa - northern sedge
Carex deweyana - Dewey's sedge
Carex deweyana var. deweyana - Dewey's sedge
Carex diandra Schrank - lesser panicled sedge
Carex disperma Dewey - two-seeded bog sedge
Carex eburnea Boott - bristle-leaf sedge
Carex echinata - star sedge
Carex foenea Willd. - bronze-headed oval sedge
Carex gracillima Schwein. - purple-sheathed graceful sedge
Carex granularis Muhl. ex Willd. - limestone meadow sedge
Carex gynandra Schwein. - nodding sedge
Carex houghtoniana Torr. ex Dewey - Houghton's woolly sedge
Carex hystericina Muhl. ex Willd. - porcupine sedge
Carex interior L.H.Bailey - inland star sedge
Carex intumescens Rudge - swollen sedge
Carex lacustris Willd. - rip-gut sedge
Carex lasiocarpa Ehrh. - fen wiregrass sedge
Carex lasiocarpa subsp. americana (Fernald) D.Löve & Bernard - woolly-fruit sedge
Carex leptalea Wahlenb. - slender sedge
Carex leptalea subsp. leptalea - slender sedge
Carex leptonervia (Fernald) Fernald - nerveless woodland sedge
Carex limosa L. - mud sedge
Carex lupulina Willd. - hop sedge
Carex magellanica - boreal bog sedge
Carex magellanica subsp. irrigua (Wahlenb.) Hultén - boreal bog sedge
Carex merritt-fernaldii Mack. - Fernald's sedge
Carex normalis Mack. - spreading oval sedge
Carex novae-angliae Schwein. - New England sedge
Carex oligosperma Michx. - few-seeded sedge
Carex ormostachya Wiegand - necklace-spike wood sedge
Carex pallescens L. - pale sedge
Carex pauciflora Lightf. - star sedge
Carex peckii Howe - Peck's sedge
Carex pedunculata Muhl. ex Willd. - long-stalk sedge
Carex pellita Willd. - broad-leaved woolly sedge
Carex pensylvanica Lam. - Pennsylvania sedge
Carex projecta Mack. - necklace sedge
Carex retrorsa Schwein. - retrorse sedge
Carex rosea Schkuhr ex Willd. - stellate sedge
Carex rostrata Stokes - northern yellow lake sedge
Carex scabrata Schwein. - eastern rough sedge
Carex scoparia - lance-fruited oval sedge
Carex scoparia var. scoparia - lance-fruited oval sedge
Carex sparganioides Muhl. ex Willd. - loose-headed bracted sedge
Carex sprengelii Dewey ex Spreng. - Sprengel's sedge
Carex stipata Muhl. ex Willd. - owl-fruit sedge
Carex stipata var. stipata - owl-fruit sedge
Carex stricta Lam. - uptight sedge
Carex tenera Dewey - narrow-leaved oval sedge
Carex tonsa var. rugosperma (Mack.) Crins - wrinkled-seeded oak sedge
Carex tribuloides var. tribuloides - blunt-broom sedge
Carex trisperma Dewey - three-seeded sedge
Carex tuckermanii Dewey - Tuckerman's sedge
Carex umbellata Schkuhr ex Willd. - parasol sedge
Carex utriculata Boott - Northwest Territory sedge
Carex vesicaria L. - tufted lake sedge
Carex woodii Dewey - Wood's stiff sedge
Cladium mariscoides (Muhl.) Torr. - twig-rush
Cyperus esculentus - yellow nut sedge
Cyperus esculentus var. leptostachyus Boeck. - yellow nut sedge
Cyperus squarrosus L. - bearded flat sedge
Dulichium arundinaceum - three-way sedge
Dulichium arundinaceum var. arundinaceum - three-way sedge
Eleocharis acicularis (L.) Roem. & Schult. - needle spike-rush
Eleocharis obtusa (Willd.) Schult. - blunt spike-rush
Eleocharis ovata (Roth) Roem. & Schult. - oval spike-rush
Eleocharis palustris (L.) Roem. & Schult. - marsh spike-rush
Eleocharis robbinsii Oakes - Robbins' spike-rush
Eriophorum angustifolium subsp. angustifolium - cotton-grass
Eriophorum gracile W.D.J.Koch ex Roth - slender cotton-grass
Eriophorum russeolum subsp. leiocarpum Fr. ex Hartm. - red cottongrass
Eriophorum tenellum Nutt. - few-nerved cotton-grass
Eriophorum vaginatum L. - tussock cotton-grass
Eriophorum virginicum L. - tawny cotton-grass
Rhynchospora alba (L.) Vahl - white beak-rush
Schoenoplectus acutus var. acutus - hard-stem bulrush
Schoenoplectus subterminalis (Torr.) Soják - water club-rush
Schoenoplectus tabernaemontani (C.C.Gmel.) Palla - soft-stem bulrush
Scirpus atrocinctus Fernald - black-girdled wool-grass
Scirpus atrovirens Willd. - dark-green bulrush
Scirpus cyperinus (L.) Kunth - wool-grass
Scirpus hattorianus Makino - mosquito bulrush
Scirpus pedicellatus Fernald - stalked wool-grass
Trichophorum alpinum (L.) Pers. - alpine club-rush
Pteridium aquilinum (L.) Kuhn - eastern bracken fern
Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A.Heller - eastern bracken fern
Drosera intermedia Hayne - spoon-leaf sundew
Drosera rotundifolia L. - round-leaved sundew
Athyrium filix-femina (L.) Roth - northern lady fern
Athyrium filix-femina var. angustum (Willd.) G.Lawson - northern lady fern
Cystopteris bulbifera (L.) Bernh. - bulblet fragile fern
Cystopteris fragilis (L.) Bernh. - northern fragile fern
Cystopteris laurentiana (Weath.) Blasdell - St. Lawrence bladder fern
Deparia acrostichoides (Sw.) M.Kato - silvery spleenwort
Dryopteris carthusiana (Vill.) H.P.Fuchs - toothed wood fern
Dryopteris cristata (L.) A.Gray - crested wood fern
Dryopteris expansa (C.Presl) Fraser-Jenk. & Jermy - spreading wood fern
Dryopteris filix-mas (L.) Schott - male fern
Dryopteris fragrans (L.) Schott - fragrant wood fern
Dryopteris intermedia (Muhl. ex Willd.) A.Gray - intermediate wood fern
Dryopteris marginalis (L.) A.Gray - marginal wood fern
Dryopteris x boottii (Tuck.) Underw. (pro sp.) - Boott's wood fern
Dryopteris x uliginosa (A.Braun ex Dowell) Druce - spinulose crested wood fern
Gymnocarpium dryopteris (L.) Newman - western oak fern
Matteuccia struthiopteris - ostrich fern
Onoclea sensibilis L. - sensitive fern
Polystichum braunii (Spenn.) Fée - Braun's holly fern
Woodsia ilvensis (L.) R.Br. - rusty woodsia
Woodsia oregana - western cliff fern
Woodsia oregana subsp. cathcartiana (B.L.Rob.) Windham - western cliff fern
Shepherdia canadensis (L.) Nutt. - russet buffalo-berry
Elatine triandra Schkuhr - water-purslane
Equisetum arvense L. - field horsetail
Equisetum fluviatile L. - water horsetail
Equisetum hyemale subsp. affine (Engelm.) Calder & Roy L.Taylor - scouring rush horsetail
Equisetum pratense Ehrh. - meadow horsetail
Equisetum scirpoides Michx. - sedge horsetail
Equisetum sylvaticum L. - woodland horsetail
Equisetum variegatum subsp. variegatum - variegated scouring rush
Andromeda polifolia L. - bog rosemary
Andromeda polifolia var. latifolia L. - bog rosemary
Arctostaphylos uva-ursi (L.) Spreng. - kinnickinnick
Chamaedaphne calyculata (L.) Moench - leather-leaf
Chimaphila umbellata - prince's-pine
Chimaphila umbellata subsp. umbellata (L.) W.P.C.Barton - prince's-pine
Epigaea repens L. - trailing-arbutus
Gaultheria procumbens L. - wintergreen
Hypopitys monotropa Crantz - pine-sap
Kalmia polifolia Wangenh. - swamp laurel
Moneses uniflora (L.) A.Gray - single delight
Monotropa uniflora L. - Indian-pipe
Orthilia secunda (L.) House - one-sided wintergreen
Pyrola sp. L. - Shinleaf
Pyrola americana Sweet - round-leaved shin-leaf
Pyrola chlorantha Sw. - shin-leaf
Pyrola elliptica Nutt. - wax-flower shin-leaf
Rhododendron groenlandicum (Oeder) Kron & Judd - Labrador-tea
Vaccinium sp. - Blueberry
Vaccinium angustifolium Aiton - low sweet blueberry
Vaccinium macrocarpon Aiton - large cranberry
Vaccinium myrtilloides Michx. - velvet-leaf huckleberry
Vaccinium oxycoccos L. - small cranberry
Vaccinium pallidum Aiton - late low-bush blueberry
Eriocaulon aquaticum (Hill) Druce - white buttons
Euphorbia corollata L. - flowering spurge
Euphorbia cyparissias L. - graveyard spurge
Euphorbia glyptosperma Engelm. - ridge-seeded spurge
Euphorbia maculata L. - wart-weed
Baptisia lactea (Raf.) Thieret - white wild indigo
Lathyrus japonicus Willd. - beach pea
Lotus corniculatus L. - bird's-foot trefoil
Lupinus perennis L. - wild lupine
Lupinus polyphyllus Lindl. - big-leaf lupine
Medicago sativa L. - alfalfa
Melilotus albus Medik. - white sweet-clover
Robinia pseudoacacia L. - black locust
Securigera varia (L.) Lassen - purple crown-vetch
Trifolium aureum Pollich - yellow hop clover
Trifolium hybridum L. - alsike clover
Trifolium pratense L. - red clover
Trifolium repens L. - white clover
Vicia americana - American vetch
Vicia americana subsp. americana - American vetch
Vicia villosa Roth - winter vetch
Quercus rubra L. - northern red oak
Gentiana andrewsii var. andrewsii - prairie closed gentian
Gentiana rubricaulis Schwein. - red-stemmed gentian
Halenia deflexa - spurred-gentian
Halenia deflexa subsp. deflexa - spurred-gentian
Geranium bicknellii var. bicknellii - northern crane's-bill
Ribes americanum Mill. - wild black currant
Ribes cynosbati L. - prickly wild gooseberry
Ribes glandulosum Grauer - skunk currant
Ribes hirtellum Michx. - swamp gooseberry
Ribes hudsonianum Richardson - northern black currant
Myriophyllum farwellii Morong - Farwell's water-milfoil
Myriophyllum heterophyllum Michx. - various-leaved water-milfoil
Myriophyllum sibiricum Kom. - short-spike water-milfoil
Myriophyllum spicatum L. - spike water-milfoil
Myriophyllum tenellum Bigelow - slender water-milfoil
Myriophyllum verticillatum L. - whorled water-milfoil
Hamamelis virginiana L. - American witch-hazel
Elodea canadensis Michx. - common waterweed
Elodea nuttallii (Planch.) H.St.John - slender waterweed
Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt - slender naiad
Vallisneria americana Michx. - water-celery
Hypericum ascyron L. - great St. John's-wort
Hypericum boreale (Britton) E.P.Bicknell - northern St. John's-wort
Hypericum ellipticum Hook. - pale St. John's-wort
Hypericum majus (A.Gray) Britton - larger Canadian St. John's-wort
Hypericum perforatum L. - St. John's-wort
Triadenum fraseri (Spach) Gleason - Fraser's marsh St. John's-wort
Iris sp. L. - Flag
Iris pseudacorus L. - yellow water iris
Iris versicolor L. - northern blue flag
Sisyrinchium montanum Greene - strict blue-eyed grass
Sisyrinchium montanum var. montanum - strict blue-eyed grass
Juncus alpinoarticulatus Chaix - northern green rush
Juncus articulatus L. - jointed rush
Juncus brevicaudatus (Engelm.) Fernald - narrow-panicle rush
Juncus bufonius L. - toad rush
Juncus canadensis J.Gay - Canadian rush
Juncus compressus Jacq. - round-fruited rush
Juncus effusus L. - soft rush
Juncus filiformis L. - thread rush
Juncus pelocarpus E.Mey. - brown-fruited rush
Juncus tenuis Willd. - roadside rush
Luzula acuminata Raf. - hairy wood rush
Luzula acuminata var. acuminata - hairy wood rush
Luzula multiflora subsp. multiflora - common wood rush
Triglochin maritima L. - seaside arrow-grass
Clinopodium vulgare L. - wild-basil
Galeopsis tetrahit L. - hemp-nettle
Galeopsis tetrahit var. tetrahit - hemp-nettle
Glechoma hederacea L. - ground-ivy
Glechoma hederacea var. micrantha Moric. - ground-ivy
Lycopus americanus Muhl. ex W.P.C.Barton - common water-horehound
Lycopus uniflorus Michx. - northern water-horehound
Lycopus virginicus L. - Virginia water-horehound
Mentha canadensis L. - wild mint
Mentha X piperita L. (pro sp.) - peppermint
Nepeta cataria L. - catnip
Prunella vulgaris L. - self-heal
Prunella vulgaris subsp. lanceolata (W.P.C.Barton) Hultén - lance self-heal
Scutellaria galericulata L. - marsh skullcap
Scutellaria lateriflora L. - mad-dog skullcap
Stachys pilosa Nutt. - marsh hedge-nettle
Stachys tenuifolia var. tenuifolia - smooth hedge-nettle
Utricularia sp. - Bladderwort
Utricularia cornuta Michx. - naked bladderwort
Utricularia gibba L. - humped bladderwort
Utricularia intermedia Hayne - northern bladderwort