Families: 112
Genera: 361
Species: 732
Total Taxa: 761 (including subsp. and var.)
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Sambucus canadensis var. canadensis - elderberry
Sambucus racemosa subsp. pubens var. pubens L. - scarlet elderberry
Viburnum acerifolium L. - maple-leaved viburnum
Viburnum lentago L. - sheepberry
Viburnum rafinesquianum Schult. - downy arrow-wood
Viburnum rafinesquianum var. affine (Bush ex C.K.Schneid.) House - downy arrow-wood
Sagittaria cristata Engelm. - crested arrow-head
Sagittaria graminea subsp. graminea - grass-leaved sagittaria
Sagittaria latifolia Willd. - wapato
Sagittaria rigida Pursh - stiff arrow-head
Chenopodium album L. - lamb's quarters
Chenopodium berlandieri var. zschackei (Murr) Murr ex Asch. - Zschack's goosefoot
Chenopodium capitatum var. capitatum - strawberry-blite
Chenopodium glaucum var. glaucum - oak-leaved goosefoot
Chenopodium simplex (Torr.) Raf. - maple-leaved goosefoot
Cycloloma atriplicifolium (Spreng.) J.M.Coult. - winged pigweed
Allium burdickii (Hanes) A.G.Jones - wild leek
Allium tricoccum Sol. - wild leek
Rhus typhina L. - staghorn sumac
Cicuta bulbifera L. - bulblet water-hemlock
Cicuta maculata L. - spotted water-hemlock
Heracleum maximum W.Bartram - American cow-parsnip
Osmorhiza claytonii (Michx.) C.B.Clarke - hairy sweet cicely
Pastinaca sativa L. - wild parsnip
Sanicula marilandica L. - Maryland sanicle
Sanicula odorata (Raf.) K.M.Pryer & L.R.Phillippe - clustered black snakeroot
Sium suave Walter - water-parsnip
Apocynum androsaemifolium L. - spreading dogbane
Asclepias exaltata L. - tall milkweed
Asclepias incarnata subsp. incarnata - swamp milkweed
Asclepias syriaca L. - silkweed
Ilex mucronata (L.) M.Powell, V.Savolainen & S.Andrews - mountain holly
Ilex verticillata (L.) A.Gray - common winterberry
Arisaema triphyllum subsp. triphyllum - Jack-in-the-pulpit
Calla palustris L. - wild calla
Lemna minor L. - small duckweed
Lemna turionifera Landolt - Turion duckweed
Symplocarpus foetidus (L.) Salisb. ex W.P.C.Barton - skunk-cabbage
Aralia hispida Vent. - bristly sarsaparilla
Aralia nudicaulis L. - wild sarsaparilla
Aralia racemosa L. - life-of-man
Hydrocotyle americana L. - marsh pennywort
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 trifolium (L.) Sloboda - three-leaf Solomon's-plume
Polygonatum pubescens (Willd.) Pursh - hairy Solomon's-seal
Achillea millefolium L. - milfoil
Achillea ptarmica L. - sneezewort
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 subsp. neodioica (Greene) R.J.Bayer - Howell's pussy-toes
Antennaria parlinii subsp. fallax (Greene) R.J.Bayer & Stebbins - plantain pussy-toes
Arctium lappa L. - great burdock
Artemisia biennis Willd. - biennial sage-wort
Artemisia campestris subsp. caudata (Michx.) H.M.Hall & Clem. - field wormwood
Artemisia serrata Nutt. - toothed sage
Bidens beckii Torr. ex Spreng. - water-marigold
Bidens cernua L. - nodding bur-marigold
Bidens discoidea (Torr. & A.Gray) Britton - swamp beggar-ticks
Bidens frondosa L. - devil's beggar-ticks
Bidens tripartita L. - swamp tickseed
Bidens vulgata Greene - tall beggar-ticks
Centaurea stoebe subsp. micranthos L. - spotted knapweed
Cirsium arvense (L.) Scop. - field thistle
Cirsium discolor (Muhl. ex Willd.) Spreng. - prairie thistle
Cirsium flodmanii (Rydb.) Arthur - prairie thistle
Cirsium muticum Michx. - swamp thistle
Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray - sand dune thistle
Cirsium vulgare (Savi) Ten. - common thistle
Conyza canadensis (L.) Cronquist - hogweed
Cyclachaena xanthiifolia (Nutt.) Fresen. - giant sump-weed
Doellingeria umbellata (Mill.) Nees - tall flat-topped white aster
Doellingeria umbellata var. pubens (Mill.) Nees - parasol aster
Doellingeria umbellata var. umbellata (Mill.) Nees - tall flat-topped white aster
Erigeron annuus (L.) Pers. - eastern daisy fleabane
Erigeron philadelphicus var. philadelphicus - Philadelphia daisy
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
Helianthus strumosus L. - rough-leaved sunflower
Hieracium aurantiacum L. - red daisy
Hieracium scabrum Michx. - sticky hawkweed
Hieracium umbellatum L. - northern hawkweed
Lactuca biennis (Moench) Fernald - woodland lettuce
Lactuca canadensis L. - wild lettuce
Lactuca serriola L. - prickly lettuce
Leucanthemum vulgare Lam. - ox-eye daisy
Matricaria discoidea DC. - disc mayweed
Packera aurea (L.) A.Löve & D.Löve - heart-leaved groundsel
Packera paupercula var. paupercula - northern ragwort
Petasites frigidus var. palmatus (Aiton) Cronquist - northern sweet-colt's-foot
Polymnia canadensis L. - white-flowered leaf-cup
Prenanthes alba L. - white rattlesnakeroot
Pseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt - rabbit-tobacco
Rudbeckia hirta var. pulcherrima Farw. - black-eyed Susan
Rudbeckia laciniata L. - wild golden-glow
Rudbeckia laciniata var. laciniata - wild golden-glow
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 nemoralis Aiton - old-field goldenrod
Solidago nemoralis subsp. nemoralis - old-field goldenrod
Solidago uliginosa Nutt. - northern bog goldenrod
Sonchus arvensis L. - perennial sow-thistle
Sonchus arvensis subsp. uliginosus L. - marsh sow-thistle
Symphyotrichum ciliolatum (Lindl.) A.Löve & D.Löve - northern heart-leaved aster
Symphyotrichum cordifolium (L.) G.L.Nesom - common blue wood aster
Symphyotrichum laeve var. laeve (L.) A.Löve & D.Löve - smooth blue aster
Symphyotrichum lanceolatum (Willd.) G.L.Nesom - white panicle aster
Symphyotrichum lanceolatum var. lanceolatum (Willd.) G.L.Nesom - white panicle aster
Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve - side-flowering aster
Symphyotrichum novae-angliae (L.) G.L.Nesom - New England aster
Symphyotrichum ontarionis var. ontarionis (Wiegand) G.L.Nesom - Ontario aster
Symphyotrichum oolentangiense (Riddell) G.L.Nesom - sky-blue aster
Symphyotrichum urophyllum (Lindl. ex DC.) G.L.Nesom - white arrowleaf aster
Tanacetum vulgare L. - tansy
Taraxacum officinale F.H.Wigg. - common dandelion
Tragopogon dubius Scop. - yellow salsify
Impatiens capensis Meerb. - spotted touch-me-not
Impatiens pallida Nutt. - yellow touch-me-not
Berberis thunbergii DC. - Japanese barberry
Caulophyllum thalictroides (L.) Michx. - squaw-root
Alnus incana subsp. rugosa (Du Roi) R.T.Clausen - swamp alder
Betula alleghaniensis Britton - yellow birch
Betula cordifolia Regel - mountain white 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 subsp. cornuta - beaked hazelnut
Ostrya virginiana (Mill.) K.Koch - ironwood
Hydrophyllum virginianum L. - Virginia waterleaf
Myosotis scorpioides L. - water scorpion-grass
Pulmonaria saccharata Mill. - Bethlehem lungwort
Symphytum officinale L. - common comfrey
Alliaria petiolata (M.Bieb.) Cavara & Grande - garlic mustard
Barbarea vulgaris W.T.Aiton - yellow-rocket
Berteroa incana (L.) DC. - hoary-alyssum
Boechera canadensis (L.) Al-Shehbaz - sickle-pod
Boechera grahamii (Lehm.) Windham & Al-Shehbaz - spreading-pod rock-cress
Brassica rapa L. - turnip
Capsella bursa-pastoris (L.) Medik. - shepherd's-purse
Cardamine pensylvanica Muhl. ex Willd. - Pennsylvania bitter-cress
Erysimum cheiranthoides L. - worm-seed wallflower
Lepidium densiflorum Schrad. - small peppergrass
Raphanus raphanistrum L. - wild radish
Rorippa palustris (L.) Besser - common yellow-cress
Rorippa palustris subsp. palustris (L.) Besser - marsh-cress
Sinapis arvensis L. - charlock mustard
Sisymbrium officinale (L.) Scop. - hedge-mustard
Thlaspi arvense L. - field pennycress
Turritis glabra L. - tower rock-cress
Brasenia schreberi J.F.Gmel. - water-shield
Campanula aparinoides var. aparinoides - marsh bellflower
Campanula aparinoides var. grandiflora Holz. - marsh bellflower
Campanula rapunculoides L. - rover bellflower
Campanula rotundifolia L. - harebell
Lobelia inflata L. - Indian-tobacco
Lobelia siphilitica L. - great blue lobelia
Diervilla lonicera Mill. - northern bush-honeysuckle
Linnaea borealis var. longiflora L. - twinflower
Lonicera canadensis W.Bartram ex Marshall - American fly honeysuckle
Lonicera dioica var. dioica - red honeysuckle
Lonicera hirsuta Eaton - hairy honeysuckle
Lonicera tatarica L. - Tartarian honeysuckle
Lonicera X bella Zabel - white-bell honeysuckle
Symphoricarpos occidentalis Hook. - wolfberry
Atocion armeria (L.) Raf. - sweet-William silene
Cerastium fontanum subsp. vulgare (Hartm.) Greuter & Burdet - mouse-ear chickweed
Dianthus armeria - Deptford pink
Myosoton aquaticum (L.) Moench - water chickweed
Silene csereii Baumg. - glaucous campion
Silene latifolia Poir. - white cockle
Spergularia rubra (L.) J.Presl & C.Presl - roadside sand-spurrey
Stellaria graminea L. - starwort
Stellaria longifolia Muhl. ex Willd. - long-leaved stitchwort
Celastrus scandens L. - climbing bittersweet
Ceratophyllum demersum L. - hornwort
Lechea intermedia var. intermedia - large-pod pinweed
Tarenaya hassleriana (Chodat) Iltis - spider-flower
Uvularia grandiflora Sm. - large-flowered bellwort
Uvularia sessilifolia L. - wild-oats
Commelina communis L. - common dayflower
Calystegia sepium (L.) R.Br. - hedge false bindweed
Calystegia spithamaea (L.) Pursh - low false bindweed
Cornus alternifolia L.f. - pagoda dogwood
Cornus canadensis L. - dwarf cornel
Cornus sericea L. - red osier dogwood
Echinocystis lobata (Michx.) Torr. & A.Gray - wild-cucumber
Thuja occidentalis L. - northern white-cedar
Bolboschoenus fluviatilis (Torr.) Soják - river bulrush
Carex albursina E.Sheld. - white bear sedge
Carex annectens (E.P.Bicknell) E.P.Bicknell - yellow-headed fox sedge
Carex arcta Boott - northern clustered sedge
Carex bromoides subsp. bromoides - brome-like sedge
Carex brunnescens subsp. sphaerostachya (Tuck.) Kalela - green bog sedge
Carex canescens subsp. canescens - silvery sedge
Carex cephalophora Muhl. ex Willd. - wood-bank sedge
Carex communis var. communis - fibrous-root sedge
Carex comosa Boott - bristly sedge
Carex crawfordii Fernald - Crawford's sedge
Carex crinita var. crinita - fringed sedge
Carex deflexa var. deflexa - northern sedge
Carex deweyana var. deweyana - Dewey's sedge
Carex disperma Dewey - two-seeded bog sedge
Carex echinata subsp. echinata - star sedge
Carex foenea Willd. - bronze-headed oval sedge
Carex gracillima Schwein. - purple-sheathed graceful sedge
Carex gynandra Schwein. - nodding sedge
Carex hirtifolia Mack. - pubescent sedge
Carex intumescens Rudge - swollen sedge
Carex lacustris Willd. - rip-gut sedge
Carex lasiocarpa subsp. americana (Fernald) D.Löve & Bernard - woolly-fruit sedge
Carex leptalea subsp. leptalea - slender sedge
Carex leptonervia (Fernald) Fernald - nerveless woodland sedge
Carex limosa L. - mud sedge
Carex lupuliformis Sartwell ex Dewey - knobbed hop sedge
Carex lupulina Willd. - hop sedge
Carex magellanica subsp. irrigua (Wahlenb.) Hultén - boreal bog sedge
Carex normalis Mack. - spreading oval sedge
Carex oligosperma Michx. - few-seeded sedge
Carex ormostachya Wiegand - necklace-spike wood sedge
Carex pauciflora Lightf. - star sedge
Carex pedunculata Muhl. ex Willd. - long-stalk sedge
Carex pensylvanica Lam. - Pennsylvania sedge
Carex plantaginea Lam. - plantain-leaved wood sedge
Carex projecta Mack. - necklace sedge
Carex radiata (Wahlenb.) Small - straight-styled wood sedge
Carex rosea Schkuhr ex Willd. - stellate sedge
Carex scabrata Schwein. - eastern rough sedge
Carex scoparia var. scoparia - lance-fruited oval sedge
Carex sprengelii Dewey ex Spreng. - Sprengel's sedge
Carex stipata var. stipata - owl-fruit sedge
Carex stricta Lam. - uptight sedge
Carex trisperma Dewey - three-seeded sedge
Carex utriculata Boott - Northwest Territory sedge
Carex vulpinoidea Michx. - fox sedge
Cyperus schweinitzii Torr. - Schweinitz's flat sedge
Cyperus strigosus L. - straw-colored cyperus
Dulichium arundinaceum var. arundinaceum - three-way sedge
Eleocharis obtusa (Willd.) Schult. - blunt spike-rush
Eleocharis ovata (Roth) Roem. & Schult. - oval spike-rush
Eleocharis palustris (L.) Roem. & Schult. - marsh spike-rush
Eriophorum angustifolium subsp. angustifolium - cotton-grass
Eriophorum gracile W.D.J.Koch ex Roth - slender 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 pungens (Vahl) Palla - common three-square bulrush
Schoenoplectus purshianus var. purshianus - weak-stalk bulrush
Schoenoplectus tabernaemontani (C.C.Gmel.) Palla - soft-stem bulrush
Schoenoplectus torreyi (Olney) Palla - Torrey's three-square bulrush
Schoenoplectus X steinmetzii (Fernald) S.G.Sm. (pro sp.) - Steinmetz's bulrush
Scirpus atrocinctus Fernald - black-girdled wool-grass
Scirpus atrovirens Willd. - dark-green bulrush
Scirpus cyperinus (L.) Kunth - wool-grass
Scirpus microcarpus J.Presl & C.Presl - panicled bulrush
Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A.Heller - eastern bracken fern
Dioscorea villosa L. - yam root
Drosera rotundifolia L. - round-leaved sundew
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 tenuis (Michx.) Desv. - upland brittle 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 goldiana (Hook. ex Goldie) A.Gray - Goldie's wood fern
Dryopteris intermedia (Muhl. ex Willd.) A.Gray - intermediate 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
Woodsia ilvensis (L.) R.Br. - rusty woodsia
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
Andromeda polifolia var. latifolia L. - bog rosemary
Chamaedaphne calyculata (L.) Moench - leather-leaf
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
Pyrola elliptica Nutt. - wax-flower shin-leaf
Rhododendron groenlandicum (Oeder) Kron & Judd - Labrador-tea
Vaccinium angustifolium Aiton - low sweet blueberry
Vaccinium macrocarpon Aiton - large cranberry
Vaccinium myrtilloides Michx. - velvet-leaf huckleberry
Vaccinium oxycoccos L. - small cranberry
Eriocaulon aquaticum (Hill) Druce - white buttons
Euphorbia corollata L. - flowering spurge
Euphorbia cyparissias L. - graveyard spurge
Euphorbia glyptosperma Engelm. - ridge-seeded spurge
Euphorbia nutans Lag. - nodding spurge
Amphicarpaea bracteata (L.) Fernald - hog-peanut
Apios americana Medik. - potato-bean
Dalea candida var. candida - white prairie-clover
Desmodium canadense (L.) DC. - showy tick-trefoil
Hylodesmum glutinosum (Muhl. ex Willd.) H.Ohashi & R.R.Mill - pointed tick-trefoil
Lathyrus latifolius L. - perennial pea-vine
Lathyrus ochroleucus Hook. - white pea
Lathyrus venosus Muhl. ex Willd. - veiny pea-vine
Medicago lupulina L. - black medick
Melilotus officinalis (L.) Lam. - yellow sweet-clover
Robinia pseudoacacia L. - black locust
Securigera varia (L.) Lassen - purple crown-vetch
Trifolium arvense L. - rabbit-foot clover
Trifolium aureum Pollich - yellow hop clover
Trifolium hybridum L. - alsike clover
Trifolium pratense L. - red clover
Trifolium repens L. - white clover
Vicia americana subsp. americana - American vetch
Vicia sativa subsp. nigra (L.) Ehrh. - narrow-leaved vetch
Vicia villosa Roth - winter vetch
Quercus alba L. - white oak
Quercus ellipsoidalis E.J.Hill - northern pin oak
Quercus macrocarpa Michx. - bur oak
Quercus rubra L. - northern red oak
Gentiana andrewsii var. andrewsii - prairie closed gentian
Halenia deflexa subsp. deflexa - spurred-gentian
Geranium maculatum L. - wild geranium
Ribes americanum Mill. - wild black currant
Ribes cynosbati L. - prickly wild gooseberry
Ribes glandulosum Grauer - skunk currant
Ribes hirtellum Michx. - swamp gooseberry
Ribes missouriense Nutt. - wild gooseberry
Ribes rubrum L. - garden red currant
Ribes triste Pall. - wild red currant
Myriophyllum sibiricum Kom. - short-spike water-milfoil
Myriophyllum tenellum Bigelow - slender water-milfoil
Myriophyllum verticillatum L. - whorled water-milfoil
Elodea canadensis Michx. - common waterweed
Elodea nuttallii (Planch.) H.St.John - slender waterweed
Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt - slender naiad
Najas gracillima (A.Braun ex Engelm.) Magnus - slender water-nymph
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
Hypericum punctatum Lam. - spotted St. John's-wort
Triadenum fraseri (Spach) Gleason - Fraser's marsh St. John's-wort
Triadenum virginicum (L.) Raf. - Virginia marsh St. John's-wort
Iris pseudacorus L. - yellow water iris
Iris versicolor L. - northern blue flag
Iris virginica var. shrevei (Small) E.S.Anderson - Virginia iris
Sisyrinchium strictum E.P.Bicknell - mountain blue-eyed-grass
Carya cordiformis (Wangenh.) K.Koch - yellow-bud hickory
Juglans cinerea L. - white walnut
Juglans nigra L. - black walnut
Juncus brevicaudatus (Engelm.) Fernald - narrow-panicle rush
Juncus effusus L. - soft rush
Juncus nodosus L. - knotted rush
Juncus pelocarpus E.Mey. - brown-fruited rush
Juncus tenuis Willd. - roadside rush
Luzula acuminata var. acuminata - hairy wood rush
Agastache foeniculum (Pursh) Kuntze - lavender giant hyssop
Agastache scrophulariaefolia (Willd.) Kuntze - purple giant hyssop
Blephilia hirsuta var. hirsuta - hairy wood mint
Clinopodium vulgare L. - wild-basil
Galeopsis tetrahit var. bifida (Boenn.) Lej. & Courtois - hemp-nettle
Galeopsis tetrahit var. tetrahit - hemp-nettle
Hedeoma hispida Pursh - rough pennyroyal
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
Monarda fistulosa subsp. fistulosa - wild bergamot
Prunella vulgaris subsp. lanceolata (W.P.C.Barton) Hultén - lance self-heal
Scutellaria galericulata L. - marsh skullcap
Scutellaria lateriflora L. - mad-dog skullcap
Stachys palustris L. - woundwort
Stachys tenuifolia var. tenuifolia - smooth hedge-nettle
Utricularia purpurea Walter - spotted bladderwort
Utricularia resupinata B.D.Greene ex Bigelow - resupinate bladderwort
Utricularia vulgaris L. - great bladderwort
Clintonia borealis (Aiton) Raf. - yellow clintonia
Erythronium albidum Nutt. - white trout-lily
Erythronium americanum subsp. americanum - yellow trout-lily
Lilium lancifolium Thunb. - tiger lily
Lilium michiganense Farw. - Turk's-cap lily
Lilium philadelphicum L. - wood lily
Streptopus lanceolatus var. longipes (Fernald) Reveal - twisted-stalk
Floerkea proserpinacoides Willd. - false mermaid-weed
Lindernia dubia (L.) Pennell - moist bank pimpernel
Dendrolycopodium dendroideum (Michx.) A. Haines - round-branched club-moss
Dendrolycopodium hickeyi "(W.H.Wagner, Beitel & R.C.Moran) A.Haines" - intermediate ground-pine
Dendrolycopodium obscurum (L.) A. Haines - rare club-moss
Diphasiastrum complanatum (L.) Holub - northern running-pine
Diphasiastrum digitatum (Dill. ex A.Braun) Holub - trailing ground-pine
Diphasiastrum tristachyum (Pursh) Holub - northern ground-pine
Huperzia lucidula (Michx.) Trevis. - shining fir-moss
Lycopodium clavatum L. - staghorn club-moss
Spinulum annotinum (L.) A. Haines - stiff club-moss
Decodon verticillatus var. verticillatus - whorled loosestrife
Malva moschata L. - musk mallow
Malva pusilla Sm. - low mallow
Tilia americana var. americana - basswood
Trillium cernuum L. - whip-poor-will flower
Trillium grandiflorum (Michx.) Salisb. - white wake-robin
Menyanthes trifoliata L. - common buckbean
Mollugo verticillata L. - Indian chickweed
Claytonia virginica L. - Virginia spring-beauty
Comptonia peregrina (L.) J.M.Coult. - sweet-fern
Myrica gale L. - sweet gale
Mirabilis albida (Walter) Heimerl - white four-o'clock
Mirabilis nyctaginea (Michx.) MacMill. - wild four-o'clock
Nuphar microphylla (Pers.) Fernald - yellow pond-lily
Nuphar variegata Durand - bull-head pond-lily
Nymphaea odorata Aiton - fragrant water-lily
Nymphaea odorata subsp. tuberosa (Paine) Wiersema & Hellq. - white water-lily
Fraxinus americana L. - white ash
Fraxinus nigra Marshall - black ash
Fraxinus pennsylvanica Marshall - red ash
Circaea alpina subsp. alpina - small enchanter's-nightshade
Circaea canadensis subsp. canadensis (L.) Hill - broad-leaf enchanter's-nightshade
Epilobium coloratum Biehler - cinnamon willow-herb
Epilobium leptophyllum Raf. - fen willow-herb
Ludwigia palustris (L.) Elliott - water-purslane
Oenothera biennis L. - common evening-primrose
Oenothera perennis L. - small sundrops
Botrychium matricariifolium (Döll) A.Braun ex W.D.J.Koch - matricary grape fern
Botrychium minganense Vict. - Mingan's moonwort
Botrychium simplex E.Hitchc. - small grape fern
Botrypus virginianus (L.) Michx. - rattlesnake fern
Sceptridium multifidum (S.G.Gmel.) M.Nishida - leather-leaved grape fern
Sceptridium oneidense (Gilbert) Holub - Oneida grape fern
Calopogon tuberosus var. tuberosus - tuberous grass pink
Coeloglossum viride var. virescens (Muhl.) Luer - frog orchid
Corallorhiza maculata (Raf.) Raf. - summer coralroot
Corallorhiza trifida Châtel. - yellow coralroot
Cypripedium acaule Aiton - small pink lady's-slipper
Cypripedium parviflorum Salisb. - yellow lady's-slipper
Goodyera pubescens (Willd.) R.Br. - downy rattlesnake-plantain
Goodyera repens (L.) R.Br. - lesser rattlesnake-plantain
Malaxis unifolia Michx. - green adder's-mouth
Platanthera huronensis (Nutt.) Lindl. - tall nothern bog orchid
Platanthera psycodes (L.) Lindl. - lesser purple fringed orchid
Pogonia ophioglossoides (L.) Ker Gawl. - snakemouth orchid
Spiranthes cernua (L.) Rich. - nodding lady's-tresses
Spiranthes lacera var. lacera - northern slender lady's-tresses
Spiranthes romanzoffiana Cham. - hooded lady's-tresses
Castilleja coccinea (L.) Spreng. - scarlet painted-cup
Conopholis americana (L.) Wallr. - American squawroot
Osmunda cinnamomea L. - cinnamon fern
Osmunda claytoniana L. - interrupted fern
Osmunda regalis var. spectabilis (Willd.) A.Gray - royal fern
Oxalis dillenii Jacq. - southern yellow wood-sorrel
Capnoides sempervirens (L.) Borkh. - rock harlequin
Corydalis aurea subsp. aurea - scrambled eggs
Dicentra canadensis (Goldie) Walp. - squirrel-corn
Dicentra cucullaria (L.) Bernh. - Dutchman's-breeches
Sanguinaria canadensis L. - bloodroot
Penthorum sedoides L. - ditch stonecrop
Mimulus ringens var. ringens - monkey-flower
Phryma leptostachya L. - American lop-seed
Abies balsamea (L.) Mill. - Canada balsam
Larix laricina (Du Roi) K.Koch - tamarack
Picea glauca (Moench) Voss - white spruce
Picea mariana (Mill.) Britton, Sterns & Poggenb. - black spruce
Pinus banksiana Lamb. - jack pine
Pinus resinosa Aiton - red pine
Pinus strobus L. - eastern white pine
Pinus sylvestris L. - Scot pine
Tsuga canadensis (L.) Carrière - northern hemlock
Callitriche palustris L. - vernal water-starwort
Chelone glabra L. - white turtlehead
Gratiola neglecta Torr. - clammy hedge-hyssop
Linaria vulgaris Mill. - butter-and-eggs
Penstemon gracilis subsp. wisconsinensis (Pennell) Pennell - Wisconsin penstemon
Plantago major L. - plantain
Plantago rugelii Decne. - Rugel's plantain
Veronica longifolia L. - long-leaved speedwell
Veronica peregrina L. - purslane speedwell
Veronica polita Fr. - wayside speedwell