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Families: 128

Genera: 562

Species: 1383

Total Taxa: 1517 (including subsp. and var.)


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Sambucus racemosa - scarlet elderberry
Viburnum acerifolium L. - maple-leaved viburnum
Viburnum lantana L. - wayfaring-tree
Viburnum lentago L. - sheepberry
Viburnum opulus L. - snowball-bush
Viburnum trilobum Marshall - high-bush cranberry
Alisma subcordatum Raf. - southern water-plantain
Alisma triviale Pursh - northern water-plantain
Sagittaria sp. L. - Arrowhead
Sagittaria cristata Engelm. - crested arrow-head
Sagittaria graminea subsp. graminea - grass-leaved sagittaria
Sagittaria rigida Pursh - stiff arrow-head
Amaranthus albus L. - prostrate pigweed
Amaranthus blitoides S.Watson - prostrate pigweed
Amaranthus cruentus L. - blood amaranth
Amaranthus retroflexus L. - redroot amaranth
Atriplex patula L. - spear saltbush
Chenopodium album L. - lamb's quarters
Chenopodium pratericola Rydb. - narrow-leaf goosefoot
Chenopodium simplex (Torr.) Raf. - maple-leaved goosefoot
Chenopodium standleyanum Aellen - woodland goosefoot
Chenopodium strictum Roth - late-flowering goosefoot
Froelichia floridana (Nutt.) Moq. - plains snake-cotton
Salsola tragus L. - tumbleweed
Rhus copallinum L. - shining sumac
Rhus glabra L. - smooth sumac
Rhus typhina L. - staghorn sumac
Cicuta maculata L. - spotted water-hemlock
Daucus carota L. - wild carrot
Eryngium planum L. - plains eryngo
Heracleum maximum W.Bartram - American cow-parsnip
Osmorhiza longistylis (Torr.) DC. - smooth sweet cicely
Pastinaca sativa L. - wild parsnip
Polytaenia nuttallii DC. - prairie-parsley
Sanicula canadensis L. - Canadian sanicle
Sanicula marilandica L. - Maryland sanicle
Sanicula trifoliata E.P.Bicknell - large-fruited black snakeroot
Sium suave Walter - water-parsnip
Torilis japonica (Houtt.) DC. - Japanese hedge-parsley
Apocynum androsaemifolium L. - spreading dogbane
Asclepias exaltata L. - tall milkweed
Asclepias incarnata L. - swamp milkweed
Asclepias lanuginosa Nutt. - woolly milkweed
Asclepias ovalifolia Decne. - oval-leaved milkweed
Asclepias verticillata L. - whorled milkweed
Asclepias viridiflora Raf. - short green milkweed
Ilex verticillata (L.) A.Gray - common winterberry
Calla palustris L. - wild calla
Lemna minor L. - small duckweed
Lemna perpusilla Torr. - minute duckweed
Lemna trisulca L. - star duckweed
Lemna turionifera Landolt - Turion duckweed
Wolffia columbiana H.Karst. - common water-meal
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 stellatum (L.) Link - starry false Solomon's-seal
Maianthemum trifolium (L.) Sloboda - three-leaf Solomon's-plume
Muscari botryoides (L.) Mill. - common grape-hyacinth
Ambrosia psilostachya DC. - western ragweed
Ambrosia trifida L. - horse-cane
Antennaria neglecta Greene - field pussy-toes
Anthemis cotula L. - stinking-cotula
Artemisia abrotanum L. - southernwood
Artemisia biennis Willd. - biennial wormwood
Bidens cernua L. - nodding bur-marigold
Bidens connata Muhl. ex Willd. - purple-stemmed tickseed
Bidens frondosa L. - devil's beggar-ticks
Bidens tripartita L. - swamp tickseed
Bidens vulgata Greene - tall beggar-ticks
Centaurea cyanus L. - cornflower
Cirsium muticum Michx. - swamp thistle
Conyza ramosissima Cronquist - spreading fleabane
Coreopsis lanceolata L. - sand tickseed
Coreopsis palmata Nutt. - stiff tickseed
Doellingeria umbellata (Mill.) Nees - tall flat-topped white aster
Erigeron annuus (L.) Pers. - eastern daisy fleabane
Eupatorium altissimum L. - tall thoroughwort
Eurybia macrophylla (L.) Cass. - large-leaved aster
Euthamia graminifolia (L.) Nutt. - grass-leaved goldenrod
Eutrochium maculatum L. - spotted Joe-Pye-weed
Gaillardia aristata Pursh - common gaillardia
Gnaphalium uliginosum L. - marsh cudweed
Hasteola suaveolens (L.) Pojark. - sweet Indian-plantain
Helenium autumnale L. - common sneezeweed
Helianthus annuus L. - garden sunflower
Helianthus decapetalus L. - thin-leaved sunflower
Helianthus giganteus L. - tall sunflower
Helianthus hirsutus Raf. - rough sunflower
Helianthus maximiliani Schrad. - Maximilian's sunflower
Helianthus occidentalis - western sunflower
Helianthus strumosus L. - rough-leaved sunflower
Helianthus tuberosus L. - woodland sunflower
Heliopsis helianthoides (L.) Sweet - sunflower-everlasting
Hieracium scabrum Michx. - sticky hawkweed
Hieracium umbellatum L. - northern hawkweed
Hypochaeris radicata L. - spotted cat's-ear
Krigia biflora (Walter) S.F.Blake - orange dwarf-dandelion
Krigia virginica (L.) Willd. - Virginia dwarf-dandelion
Lactuca canadensis L. - wild lettuce
Lactuca serriola L. - prickly lettuce
Lapsana communis L. - nipplewort
Liatris aspera Michx. - rough gayfeather
Liatris cylindracea Michx. - barellhead gayfeather
Nothocalais cuspidata (Pursh) Greene - prairie false dandelion
Packera aurea (L.) A.Löve & D.Löve - heart-leaved groundsel
Polymnia canadensis L. - white-flowered leaf-cup
Prenanthes alba L. - white rattlesnakeroot
Prenanthes racemosa Michx. - purple rattlesnake-root
Ratibida pinnata (Vent.) Barnhart - pinnate prairie coneflower
Rudbeckia hirta - black-eyed Susan
Rudbeckia laciniata L. - wild golden-glow
Rudbeckia subtomentosa Pursh - sweet coneflower
Rudbeckia triloba var. triloba - three-lobed coneflower
Senecio vulgaris L. - common groundsel
Silphium laciniatum L. - compass-plant
Solidago sp. L. - Goldenrod
Solidago canadensis L. - common goldenrod
Solidago flexicaulis L. - zigzag goldenrod
Solidago gigantea Aiton - late goldenrod
Solidago juncea Aiton - early goldenrod
Solidago missouriensis Nutt. - Missouri goldenrod
Solidago nemoralis Aiton - old-field goldenrod
Solidago riddellii Frank - Riddell's goldenrod
Solidago rigida L. - stiff goldenrod
Solidago sciaphila E.S.Steele - shadowy goldenrod
Solidago speciosa Nutt. - showy goldenrod
Solidago uliginosa Nutt. - northern bog goldenrod
Sonchus asper (L.) Hill - spiny-leaf sow-thistle
Sonchus oleraceus L. - field sow-thistle
Tagetes erecta L. - common marigold
Tephroseris palustris (L.) Rchb. - northern swamp groundsel
Tragopogon dubius Scop. - yellow salsify
Tragopogon pratensis L. - yellow goat's-beard
Vernonia fasciculata Michx. - smooth ironweed
Xanthium strumarium L. - rough cocklebur
Impatiens balfourii Hook.f. - Balfour's touch-me-not
Impatiens capensis Meerb. - spotted touch-me-not
Impatiens pallida Nutt. - yellow touch-me-not
Berberis thunbergii DC. - Japanese barberry
Berberis vulgaris L. - European barberry
Podophyllum peltatum L. - wild mandrake
Betula cordifolia Regel - mountain white birch
Betula nigra L. - river birch
Betula pumila L. - swamp birch
Betula x sandbergii Britton - Sandberg's birch
Corylus americana Walter - American hazelnut
Corylus cornuta - beaked hazelnut
Hackelia sp. - Beggar's-Lice
Hydrophyllum virginianum L. - Virginia waterleaf
Lithospermum incisum Lehm. - narrow-leaved puccoon
Lithospermum latifolium Michx. - broad-leaved gromwell
Myosotis arvensis (L.) Hill - field scorpion-grass
Myosotis laxa Lehm. - small forget-me-not
Myosotis scorpioides L. - water scorpion-grass
Myosotis verna Nutt. - white forget-me-not
Berteroa incana (L.) DC. - hoary-alyssum
Boechera stricta (Graham) Al-Shehbaz - Drummond's rock-cress
Camelina microcarpa Andrz. ex DC. - small-fruited false flax
Camelina sativa (L.) Crantz - large-seed false flax
Cardamine douglassii Britton - purple spring-cress
Cardamine parviflora L. - small-flowered bitter-cress
Cardamine pensylvanica Muhl. ex Willd. - Pennsylvania bitter-cress
Draba nemorosa L. - woodland whitlow-grass
Draba reptans (Lam.) Fernald - common whitlow-grass
Draba verna L. - vernal whitlow-grass
Erysimum cheiranthoides L. - worm-seed wallflower
Hesperis matronalis L. - dame's rocket
Lepidium densiflorum Schrad. - small peppergrass
Rorippa palustris (L.) Besser - common yellow-cress
Sinapis alba L. - white mustard
Sinapis arvensis L. - charlock mustard
Sisymbrium altissimum L. - tall tumble mustard
Thlaspi arvense L. - field pennycress
Turritis glabra L. - tower rock-cress
Opuntia fragilis (Nutt.) Haw. - little prickly-pear
Opuntia macrorhiza Engelm. - twist-spine prickly-pear
Campanula persicifolia L. - peach-leaved bellflower
Campanula rapunculoides L. - rover bellflower
Lobelia inflata L. - Indian-tobacco
Lobelia kalmii L. - Ontario lobelia
Lobelia siphilitica L. - great blue lobelia
Lobelia spicata Lam. - spiked lobelia
Triodanis perfoliata (L.) Nieuwl. - round-leaved triodanis
Cannabis sativa L. - marijuana
Celtis occidentalis L. - northern hackberry
Diervilla lonicera Mill. - northern bush-honeysuckle
Lonicera dioica L. - red honeysuckle
Lonicera reticulata Raf. - yellow honeysuckle
Lonicera tatarica L. - Tartarian honeysuckle
Lonicera X bella Zabel - white-bell honeysuckle
Triosteum aurantiacum E.P.Bicknell - orange-fruit horse-gentian
Triosteum aurantiacum var. aurantiacum - orange-fruit horse-gentian
Valeriana officinalis L. - garden valerian
Cerastium arvense L. - field mouse-ear chickweed
Cerastium nutans - nodding mouse-ear chickweed
Dianthus armeria - Deptford pink
Dianthus barbatus - sweet-William
Dianthus deltoides - meadow pink
Dianthus plumarius - garden pink
Paronychia canadensis (L.) A.W.Wood - smooth-forked nailwort
Scleranthus perennis - perennial knawel
Silene antirrhina L. - sleepy silene
Silene csereii Baumg. - glaucous campion
Silene latifolia Poir. - white cockle
Silene noctiflora L. - sticky cockle
Stellaria sp. - Chickweed
Stellaria longifolia Muhl. ex Willd. - long-leaved stitchwort
Stellaria media (L.) Vill. - common chickweed
Celastrus scandens L. - climbing bittersweet
Parnassia glauca Raf. - fen grass-of-Parnassus
Crocanthemum canadense (L.) Britton - long-branch frostweed
Lechea tenuifolia Michx. - slender-leaved pinweed
Peritoma serrulata (Pursh) DC. - toothed spider-flower
Uvularia grandiflora Sm. - large-flowered bellwort
Commelina communis L. - common dayflower
Tradescantia ohiensis Raf. - smooth spiderwort
Calystegia sepium (L.) R.Br. - hedge false bindweed
Convolvulus arvensis L. - field bindweed
Cuscuta cephalanthi Engelm. - buttonbush dodder
Cuscuta coryli Engelm. - hazel dodder
Ipomoea hederacea Jacq. - ivy-leaved morning-glory
Cornus alternifolia L.f. - pagoda dogwood
Cornus canadensis L. - dwarf cornel
Cornus rugosa Lam. - round-leaved dogwood
Cornus sericea L. - red osier dogwood
Sedum sp. L. - Stonecrop
Sedum acre L. - yellow sedum
Sedum sarmentosum Bunge - stringy stonecrop
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