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Saint Croix County 2016
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Name of Above Organism
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Abies balsamea (balsam fir)
Acer negundo (ash-leaved maple)
Acer negundo var. negundo (box elder)
Acer nigrum (black maple)
Acer saccharinum (silver maple)
Acer saccharum var. saccharum (hard maple)
Achillea millefolium (common yarrow)
Acorus americanus (sweet-flag)
Acorus calamus (calamus)
Actaea rubra (red baneberry)
Adiantum pedatum (maidenhair fern)
Agalinis aspera (rough agalinis)
Agalinis tenuifolia (common agalinis)
Agastache foeniculum (blue giant hyssop)
Ageratina altissima subsp. altissima (white snakeroot)
Agrimonia pubescens (downy agrimony)
Agrostis gigantea (redtop)
Agrostis perennans var. perennans (autumn bent grass)
Agrostis scabra (rough bent grass)
Alisma triviale (northern water-plantain)
Allium burdickii (narrow-leaved wild leek)
Allium stellatum (Autumn onion)
Alopecurus aequalis (short-awned foxtail)
Amaranthus powellii (green amaranth)
Amaranthus retroflexus (redroot amaranth)
Ambrosia artemisiifolia (annual bur-sage)
Ambrosia trifida (giant ragweed)
Amelanchier spicata (dwarf serviceberry)
Amorpha canescens (lead-plant)
Amorpha fruticosa (desert indigo-bush)
Amphicarpaea bracteata (American hog-peanut)
Anaphalis margaritacea (pearly everlasting)
Andropogon gerardii (big blue-stem)
Androsace occidentalis (western rock jasmine)
Anemone acutiloba (sharp-lobed hepatica)
Anemone americana (round-lobed hepatica)
Anemone canadensis (Canada anemone)
Anemone patens var. multifida (American pasqueflower)
Anemone quinquefolia var. quinquefolia (nightcaps)
Anemone virginiana (tall anemone)
Anemone virginiana var. alba (tall anemone)
Antennaria neglecta (cat's-foot)
Antennaria plantaginifolia (plantain pussy-toes)
Anthemis cotula (dog-fennel)
Apios americana (common groundnut)
Aplectrum hyemale (Adam-and-Eve)
Apocynum androsaemifolium (spreading dogbane)
Aquilegia canadensis (Canadian columbine)
Arabidopsis lyrata subsp. lyrata (lyrate rock-cress)
Aralia nudicaulis (wild sarsaparilla)
Aralia racemosa (American spikenard)
Arisaema dracontium (dragon-root)
Arisaema triphyllum subsp. triphyllum (Indian turnip)
Aristida basiramea (fork-tip three-awn grass)
Aristida oligantha (old-field three-awn)
Arnoglossum reniforme (great Indian-plantain)
Aronia x prunifolia (black chokecherry)
Artemisia absinthium (absinth sage-wort)
Artemisia biennis (biennial sage-wort)
Artemisia campestris subsp. caudata (field wormwood)
Artemisia ludoviciana subsp. ludoviciana (Louisiana sage-wort)
Asarum canadense (Canadian wild-ginger)
Asclepias incarnata subsp. incarnata (swamp milkweed)
Asclepias syriaca (common milkweed)
Asclepias tuberosa subsp. interior (butterfly milkweed)
Asclepias verticillata (whorled milkweed)
Asparagus officinalis (asparagus)
Asplenium rhizophyllum (walking fern)
Astragalus canadensis var. canadensis (Canadian milk-vetch)
Astragalus crassicarpus var. crassicarpus (ground-plum)
Athyrium filix-femina var. angustum (common lady fern)
Atriplex prostrata (triangle orache)
Baptisia lactea (large-leaved wild indigo)
Berteroa incana (hoary false madwort)
Betula cordifolia (heart-leaf birch)
Betula papyrifera (canoe birch)
Betula x sandbergii (Sandberg's birch)
Bidens beckii (water beggar-ticks)
Bidens cernua (nodding beggar-ticks)
Bidens connata (purple-stem beggar-ticks)
Bidens frondosa (common beggar-ticks)
Bidens tripartita (straw-stem beggar-ticks)
Bidens vulgata (big devil's beggar-ticks)
Boechera dentata (Short's rock-cress)
Boechera grahamii (spreading-pod rock-cress)
Boehmeria cylindrica (small-spike false nettle)
Bolboschoenus fluviatilis (river bulrush)
Boltonia asteroides var. recognita (false aster)
Botrypus virginianus (rattlesnake fern)
Bouteloua curtipendula var. curtipendula (side-oats grama)
Bouteloua hirsuta subsp. hirsuta (hairy grama)
Bromus ciliatus (fringed brome)
Bromus inermis (Hungarian brome)
Bromus latiglumis (ear-leaved brome)
Bromus tectorum (cheat grass)
Calamagrostis canadensis (blue-joint grass)
Caltha palustris (cowslip)
Campanula rotundifolia (bluebell)
Campanulastrum americanum (American bellflower)
Cannabis sativa (hemp)
Capsella bursa-pastoris (shepherd's-purse)
Cardamine bulbosa (spring-cress)
Cardamine concatenata (cut-leaved toothwort)
Cardamine pensylvanica (Pennsylvania bitter-cress)
Carex albursina (blunt-scaled wood sedge)
Carex aquatilis var. aquatilis (long-bracted tussock sedge)
Carex atherodes (wheat sedge)
Carex blanda (common wood sedge)
Carex bromoides subsp. bromoides (brome-like sedge)
Carex comosa (bristly sedge)
Carex deweyana var. deweyana (Dewey's sedge)
Carex eburnea (bristle-leaf sedge)
Carex emoryi (Emory's sedge)
Carex gracillima (graceful sedge)
Carex gravida (heavy sedge)
Carex grisea (eastern narrow-leaved sedge)
Carex hirtifolia (hairy sedge)
Carex inops subsp. heliophila (long-stolon sedge)
Carex intumescens (greater bladder sedge)
Carex laeviconica (long-toothed lake sedge)
Carex lasiocarpa subsp. americana (American woolly-fruit sedge)
Carex lupulina (common hop sedge)
Carex normalis (greater straw sedge)
Carex oligosperma (few-seeded hop sedge)
Carex peckii (Peck's oak sedge)
Carex pedunculata (long-stalk sedge)
Carex pellita (broad-leaved woolly sedge)
Carex pensylvanica (common oak sedge)
Carex projecta (loose-headed oval sedge)
Carex rosea (curly-styled wood sedge)
Carex siccata (dry-spiked sedge)
Carex sprengelii (long-beaked sedge)
Carex torreyi (red-sheathed green sedge)
Carex tuckermanii (bent-seeded hop sedge)
Carex typhina (cat-tail sedge)
Carex utriculata (common yellow lake sedge)
Carex woodii (pretty sedge)
Carpinus caroliniana subsp. virginiana (American hornbeam)
Carya cordiformis (bitter-nut hickory)
Castilleja sessiliflora (downy yellow painted-cup)
Caulophyllum thalictroides (blue cohosh)
Ceanothus americanus (New Jersey tea)
Ceanothus herbaceus (inland New Jersey tea)
Celastrus scandens (American bittersweet)
Celtis occidentalis (northern hackberry)
Cenchrus longispinus (field sandbur)
Centaurea stoebe subsp. micranthos (spotted knapweed)
Cerastium fontanum subsp. vulgare (big mouse-ear chickweed)
Ceratophyllum demersum (coon's-tail)
Ceratophyllum echinatum (prickly hornwort)
Chamaecrista fasciculata (golden cassia)
Chamaedaphne calyculata (leather-leaf)
Cheilanthes feei (slender lip fern)
Chelone glabra (turtlehead)
Chenopodium album (lamb's quarters)
Chenopodium simplex (maple-leaved goosefoot)
Chrysosplenium americanum (American golden saxifrage)
Cicuta bulbifera (bulblet water-hemlock)
Cicuta maculata (common water-hemlock)
Cinna arundinacea (common wood-reed)
Circaea canadensis subsp. canadensis (broad-leaf enchanter's-nightshade)
Cirsium altissimum (tall thistle)
Cirsium arvense (Canada thistle)
Cirsium vulgare (bull thistle)
Claytonia virginica (spring-beauty)
Clematis virginiana (devil's-darning-needle)
Coeloglossum viride var. virescens (long-bracted green orchid)
Comandra umbellata subsp. umbellata (bastard-toadflax)
Conopholis americana (American cancer-root)
Conyza canadensis (Canadian horseweed)
Coreopsis palmata (finger tickseed)
Cornus (Dogwood)
Cornus alternifolia (alternate-leaved dogwood)
Cornus foemina subsp. racemosa (gray dogwood)
Cornus rugosa (round-leaved dogwood)
Cornus sericea (red osier dogwood)
Corydalis aurea subsp. aurea (golden corydalis)
Corylus americana (American hazelnut)
Corylus cornuta subsp. cornuta (beaked hazelnut)
Crataegus chrysocarpa (fireberry hawthorn)
Crataegus coccinea var. coccinea (scarlet hawthorn)
Crataegus macrosperma (big-fruit hawthorn)
Crataegus punctata (dotted hawthorn)
Crataegus succulenta (fleshy hawthorn)
Crepis tectorum (hawk's-beard)
Crotalaria sagittalis (arrowhead rattle-box)
Cryptogramma stelleri (slender cliff brake)
Cryptotaenia canadensis (Canadian honewort)
Cuscuta pentagona (field dodder)
Cycloloma atriplicifolium (winged pigweed)
Cyperus bipartitus (shining flat sedge)
Cyperus erythrorhizos (red-rooted sedge)
Cyperus esculentus var. leptostachyus (field nut sedge)
Cyperus odoratus (fragrant cyperus)
Cyperus schweinitzii (Great Plains sand sedge)
Cyperus squarrosus (bearded flat sedge)
Cyperus strigosus (false nut sedge)
Cypripedium parviflorum (yellow lady's-slipper)
Cypripedium parviflorum var. pubescens (large yellow lady's-slipper)
Cypripedium reginae (queen lady's-slipper)
Cystopteris bulbifera (bladder fern)
Cystopteris fragilis (bladder fern)
Cystopteris tenuis (MacKay's brittle fern)
Dactylis glomerata (orchard grass)
Dalea candida var. candida (slender white prairie-clover)
Dalea purpurea var. purpurea (purple prairie-clover)
Dalea villosa var. villosa (downy prairie-clover)
Dasiphora fruticosa (shrubby cinquefoil)
Delphinium carolinianum subsp. virescens (Carolina larkspur)
Dendrolycopodium hickeyi (Hickey's club-moss)
Deparia acrostichoides (silver false spleenwort)
Desmodium canadense (Canadian tick-trefoil)
Dicentra cucullaria (Dutchman's-breeches)
Dichanthelium boreale (northern panic grass)
Dichanthelium dichotomum (forked panic grass)
Dichanthelium latifolium (broad-leaved panic grass)
Diervilla lonicera (northern bush-honeysuckle)
Digitaria ischaemum (smooth crabgrass)
Digitaria sanguinalis (hairy crabgrass)
Dioscorea villosa (colic-root)
Diphasiastrum digitatum (crowfoot club-moss)
Dirca palustris (eastern leatherwood)
Draba reptans (Carolina whitlow-grass)
Dracocephalum parviflorum (American dragonhead)
Drosera rotundifolia (round-leaved sundew)
Drymocallis arguta (prairie cinquefoil)
Dryopteris carthusiana (spinulose wood fern)
Dryopteris cristata (crested shield fern)
Dryopteris goldiana (giant wood fern)
Echinochloa crus-galli (barnyard grass)
Echinochloa muricata (American barnyard grass)
Echinochloa muricata var. muricata (barnyard grass)
Echinochloa walteri (coast barnyard grass)
Echinocystis lobata (balsam-apple)
Eleocharis acicularis (needle spike-rush)
Eleocharis erythropoda (bald spike-rush)
Eleocharis obtusa (blunt spike-rush)
Eleocharis palustris (common spike-rush)
Ellisia nyctelea (Aunt Lucy)
Elodea canadensis (Canadian waterweed)
Elodea nuttallii (free-flowered water-weed)
Elymus canadensis (Canada wild-rye)
Elymus repens (couchgrass)
Elymus virginicus var. virginicus (common eastern wild-rye)
Enemion biternatum (false rue anemone)
Epilobium ciliatum subsp. ciliatum (American willow-herb)
Epilobium coloratum (cinnamon willow-herb)
Equisetum arvense (common horsetail)
Equisetum fluviatile (pipes)
Equisetum hyemale subsp. affine (common scouring rush)
Equisetum laevigatum (smooth horsetail)
Equisetum pratense (meadow horsetail)
Equisetum scirpoides (dwarf scouring rush)
Equisetum sylvaticum (wood horsetail)
Equisetum x ferrissii (Ferriss' horsetail)
Eragrostis cilianensis (stink grass)
Eragrostis hypnoides (creeping love grass)
Eragrostis pectinacea var. pectinacea (Carolina love grass)
Eragrostis spectabilis (purple love grass)
Erechtites hieracifolius var. hieracifolius (American burn-weed)
Erigeron annuus (annual fleabane)
Erigeron strigosus (daisy fleabane)
Erigeron strigosus var. strigosus (daisy fleabane)
Erysimum cheiranthoides (worm-seed mustard)
Euonymus atropurpureus var. atropurpureus (burning-bush)
Eupatorium perfoliatum (boneset)
Euphorbia corollata (flowering spurge)
Euphorbia glyptosperma (rib-seed sand-mat)
Euphorbia maculata (milk-purslane)
Euphorbia nutans (eye-bane)
Eurybia macrophylla (big-leaved aster)
Euthamia graminifolia (common flat-topped goldenrod)
Eutrochium maculatum var. maculatum (spotted Joe-Pye-weed)
Eutrochium purpureum (green-stemmed Joe-Pye-weed)
Fallopia convolvulus (black-bindweed)
Fallopia scandens (climbing false buckwheat)
Festuca subverticillata (nodding fescue)
Fragaria vesca subsp. americana (hillside strawberry)
Frangula alnus (European alder buckthorn)
Fraxinus americana (white ash)
Fraxinus pennsylvanica (green ash)
Froelichia floridana (common cotton-weed)
Galearis spectabilis (showy orchis)
Galium aparine (annual bedstraw)
Galium asprellum (rough bedstraw)
Galium boreale (northern bedstraw)
Galium concinnum (pretty bedstraw)
Galium obtusum subsp. obtusum (blunt-leaf bedstraw)
Galium tinctorium (southern three-lobed bedstraw)
Galium triflorum (fragrant bedstraw)
Geranium maculatum (Crane's-bill)
Geum canadense (white avens)
Geum triflorum var. triflorum (old-man's-whiskers)
Glyceria canadensis (rattlesnake grass)
Glyceria grandis (American glyceria)
Glyceria striata (fowl manna grass)
Glycyrrhiza lepidota (American licorice)
Gnaphalium uliginosum (low cudweed)
Goodyera pubescens (downy rattlesnake-plantain)
Gratiola neglecta (clammy hedge-hyssop)
Grindelia squarrosa (curly-cup gum-weed)
Gymnocarpium dryopteris (common oak fern)
Hackelia virginiana (beggar's-lice)
Hamamelis virginiana (American witch-hazel)
Hedeoma hispida (rough false pennyroyal)
Helenium autumnale (common sneezeweed)
Helianthus giganteus (giant sunflower)
Helianthus strumosus (pale-leaved woodland sunflower)
Helianthus tuberosus (Jerusalem-artichoke)
Heliopsis helianthoides var. scabra (false sunflower)
Hemerocallis fulva (orange daylily)
Hesperostipa spartea (needle grass)
Heteranthera dubia (water star-grass)
Heuchera richardsonii (prairie alumroot)
Hieracium longipilum (hairy hawkweed)
Hieracium umbellatum (Canada hawkweed)
Hordeum jubatum (foxtail barley)
Houstonia longifolia (long-leaved bluets)
Hydrocotyle americana (American marsh pennywort)
Hydrophyllum virginianum (John's-cabbage)
Hylodesmum glutinosum (cluster-leaf tick-trefoil)
Hylotelephium telephium (live-forever)
Hypericum ascyron (giant St. John's-wort)
Hypericum majus (larger Canadian St. John's-wort)
Ilex verticillata (common winterberry)
Impatiens capensis (orange jewelweed)
Iris versicolor (blue flag)
Iris virginica var. shrevei (blue flag)
Juncus balticus subsp. littoralis (Arctic rush)
Juncus dudleyi (Dudley's rush)
Juncus effusus (common rush)
Juncus nodosus (joint rush)
Juniperus communis var. depressa (common juniper)
Juniperus virginiana var. virginiana (eastern red-cedar)
Koeleria macrantha (June grass)
Lactuca biennis (tall blue lettuce)
Lactuca canadensis (Canada lettuce)
Lactuca serriola (compass-plant)
Laportea canadensis (Canadian wood-nettle)
Larix laricina (larch)
Lathyrus ochroleucus (cream pea-vine)
Lathyrus venosus (forest pea)
Lechea stricta (bushy pinweed)
Leersia lenticularis (catchfly grass)
Leersia oryzoides (rice cut grass)
Lemna minor (common duckweed)
Lemna trisulca (forked duckweed)
Lemna turionifera (perennial duckweed)
Lepidium densiflorum (prairie pepper-weed)
Lepidium virginicum subsp. virginicum (common peppergrass)
Lespedeza capitata (round-headed bush-clover)
Leucanthemum vulgare (common daisy)
Liatris aspera (lacerate blazing-star)
Liatris cylindracea (cylindrical blazing-star)
Liatris ligulistylis (northern plains blazing-star)
Lilium michiganense (Michigan lily)
Linaria vulgaris (butter-and-eggs)
Linum sulcatum (grooved yellow flax)
Lithospermum canescens (hoary puccoon)
Lithospermum caroliniense subsp. croceum (Carolina puccoon)
Lobelia cardinalis var. cardinalis (cardinal-flower)
Lobelia inflata (Indian-tobacco)
Lobelia siphilitica (great blue lobelia)
Lobelia siphilitica var. siphilitica (great blue lobelia)
Lonicera X bella (showy bush honeysuckle)
Lonicera dioica var. glaucescens (wild honeysuckle)
Lonicera morrowii (Morrow's honeysuckle)
Lonicera tatarica (Tartarian honeysuckle)
Lotus corniculatus (bird's-foot deer-vetch)
Lupinus perennis (sundial lupine)
Lycopodiella inundata (bog club-moss)
Lycopus americanus (American water-horehound)
Lycopus uniflorus (northern bugleweed)
Lysimachia ciliata (fringed loosestrife)
Lysimachia hybrida (lowland yellow loosestrife)
Lysimachia terrestris (bulbil loosestrife)
Lythrum alatum var. alatum (winged loosestrife)
Maianthemum racemosum subsp. racemosum (false Solomon's-seal)
Maianthemum stellatum (little false Solomon's-seal)
Malus pumila (cultivated apple)
Malva sylvestris (high mallow)
Matteuccia struthiopteris (American ostrich fern)
Medicago lupulina (black medick)
Melilotus albus (white sweet-clover)
Melilotus officinalis (yellow sweet-clover)
Menispermum canadense (Canadian moonseed)
Mentha X gracilis (little-leaved mint)
Mentha canadensis (field mint)
Mimulus glabratus var. jamesii (James' monkey-flower)
Mimulus ringens var. ringens (Allegheny monkey-flower)
Minuartia dawsonensis (northern rock sandwort)
Mirabilis albida (pale umbrella-wort)
Mitella diphylla (bishop's-cap)
Moehringia lateriflora (grove sandwort)
Mollugo verticillata (carpetweed)
Monarda fistulosa subsp. fistulosa (bee balm)
Monotropa uniflora (Indian-pipe)
Morus alba (Russian mulberry)
Muhlenbergia cuspidata (plains muhly)
Muhlenbergia mexicana (leafy satin grass)
Muhlenbergia racemosa (marsh muhly)
Myosotis scorpioides (common forget-me-not)
Myriophyllum sibiricum (common water-milfoil)
Myriophyllum spicatum (Eurasian water-milfoil)
Myriophyllum verticillatum (whorled water-milfoil)
Najas flexilis (nodding water-nymph)
Nasturtium officinale (watercress)
Nepeta cataria (catnip)
Nuphar variegata (bull-head pond-lily)
Nymphaea odorata (American white water-lily)
Nymphaea odorata subsp. tuberosa (American white water-lily)
Oenothera biennis (bastard evening-primrose)
Oenothera nuttallii (Nuttall's evening-primrose)
Oenothera perennis (small evening-primrose)
Oenothera serrulata (yellow evening-primrose)
Onoclea sensibilis (sensitive fern)
Oryzopsis asperifolia (rough-leaved rice grass)
Osmorhiza claytonii (bland sweet cicely)
Osmunda cinnamomea (cinnamon fern)
Osmunda claytoniana (interrupted fern)
Osmunda regalis var. spectabilis (American royal fern)
Ostrya virginiana (eastern hop-hornbeam)
Oxalis dillenii (Dillenius' oxalis)
Oxalis violacea (violet wood-sorrel)
Packera plattensis (Platte groundsel)
Panicum capillare subsp. capillare (common witch grass)
Panicum dichotomiflorum subsp. dichotomiflorum (fall panic grass)
Panicum philadelphicum subsp. philadelphicum (Philadephia panic grass)
Panicum virgatum (switch grass)
Parietaria pensylvanica (Pennsylvanian pellitory)
Parthenium integrifolium (American feverfew)
Parthenocissus inserta (grape woodbine)
Parthenocissus quinquefolia (Virginia creeper)
Pastinaca sativa (wild parsnip)
Patis racemosa (black-seeded rice grass)
Pediomelum esculentum (breadroot scurf-pea)
Pellaea glabella subsp. glabella (dwarf cliff brake)
Penstemon grandiflorus (large beard-tongue)
Penthorum sedoides (ditch stonecrop)
Persicaria amphibia (water heart's-ease)
Persicaria hydropiperoides (false water-pepper)
Persicaria lapathifolia (curly-top knotweed)
Persicaria maculosa (heart's-ease)
Persicaria punctata (dotted smartweed)
Persicaria sagittata (arrow-leaved tearthumb)
Persicaria virginiana (jumpseed)
Phalaris arundinacea (reed canary grass)
Phemeranthus rugospermus (prairie fame-flower)
Phleum pratense subsp. pratense (common timothy)
Phlox divaricata subsp. laphamii (blue phlox)
Phragmites australis (common reed)
Phryma leptostachya (American lop-seed)
Physalis heterophylla (clammy ground-cherry)
Physalis longifolia var. subglabrata (long-leaved ground-cherry)
Physocarpus opulifolius (common ninebark)
Physostegia virginiana subsp. virginiana (false dragonhead)
Pilea pumila (Canadian clearweed)
Pinus resinosa (Canadian pine)
Pinus strobus (eastern white pine)
Piptatheropsis pungens (mountain rice grass)
Plantago patagonica (woolly plantain)
Plantago rugelii (American plantain)
Platanthera clavellata (club-spur orchid)
Platanthera hookeri (Hooker's orchid)
Platanthera lacera (green fringed orchid)
Platanthera orbiculata (large round-leaved orchid)
Platanthera psycodes (lesser purple fringed orchid)
Poa alsodes (grove bluegrass)
Poa annua (annual bluegrass)
Poa compressa (Canada bluegrass)
Poa palustris (fowl meadow grass)
Poa pratensis (Kentucky bluegrass)
Podophyllum peltatum (May-apple)
Polanisia dodecandra subsp. dodecandra (rough-seed clammy-weed)
Polanisia jamesii (James' clammy-weed)
Polygala sanguinea (blood milkwort)
Polygonatum biflorum (giant Solomon's-seal)
Polygonatum pubescens (downy Solomon's-seal)
Polygonella articulata (coastal joint-weed)
Polygonum aviculare (common knotweed)
Polygonum aviculare subsp. depressum (oval-leaved knotweed)
Polygonum ramosissimum (bushy knotweed)
Polypodium virginianum (common polypody)
Populus alba (silver poplar)
Populus deltoides (plains cottonwood)
Populus deltoides subsp. monilifera (plains cottonwood)
Populus grandidentata (big-tooth aspen)
Populus tremuloides (aspen)
Potamogeton amplifolius (big-leaved pondweed)
Potamogeton berchtoldii
Potamogeton crispus (curled pondweed)
Potamogeton foliosus subsp. foliosus (leafy pondweed)
Potamogeton gramineus (grass-leaved pondweed)
Potamogeton illinoensis (Illinois pondweed)
Potamogeton natans (common pondweed)
Potamogeton nodosus (long-leaf pondweed)
Potamogeton pusillus (slender pondweed)
Potamogeton richardsonii (Richardson's pondweed)
Potamogeton robbinsii (fern pondweed)
Potamogeton strictifolius (narrow-leaved pondweed)
Potamogeton x spathuliformis
Potamogeton zosteriformis (flat-stem pondweed)
Potentilla argentea (silvery cinquefoil)
Potentilla norvegica (Norwegian cinquefoil)
Potentilla recta (rough-fruited cinquefoil)
Potentilla simplex (common cinquefoil)
Prenanthes alba (lion's-foot)
Primula meadia (eastern shooting-star)
Primula mistassinica (bird's-eye primrose)
Prunella vulgaris subsp. lanceolata (lance self-heal)
Prunus americana (American plum)
Prunus pensylvanica (fire cherry)
Prunus pumila var. besseyi (Bessey's cherry)
Prunus virginiana var. virginiana (chokecherry)
Pseudognaphalium obtusifolium (cat's-foot)
Pteridium aquilinum var. latiusculum (bracken)
Pycnanthemum virginianum (common mountain mint)
Pyrola asarifolia subsp. asarifolia (liver-leaf wintergreen)
Quercus alba (white oak)
Quercus ellipsoidalis (Hill's oak)
Quercus macrocarpa (bur oak)
Quercus rubra (northern red oak)
Ranunculus abortivus (little-leaf buttercup)
Ranunculus aquatilis var. diffusus (white water crowfoot)
Ranunculus hispidus var. nitidus (bristly buttercup)
Ranunculus pensylvanicus (bristly buttercup)
Ranunculus recurvatus var. recurvatus (blisterwort)
Raphanus sativus (garden radish)
Ratibida pinnata (globular coneflower)
Rhus glabra (smooth sumac)
Rhus typhina (staghorn sumac)
Ribes (Currant)
Ribes americanum (American black currant)
Ribes aureum var. villosum (buffalo-currant)
Ribes cynosbati (dogberry)
Ribes missouriense (Missouri gooseberry)
Robinia pseudoacacia (black locust)
Rosa arkansana (Arkansas rose)
Rubus allegheniensis (Allegheny blackberry)
Rubus flagellaris (short-stalk dewberry)
Rubus idaeus subsp. strigosus (American red raspberry)
Rubus occidentalis (black-cap)
Rubus pensilvanicus (Yankee blackberry)
Rubus pubescens (dwarf red raspberry)
Rubus setosus (herbaceous blackberry)
Rudbeckia hirta var. pulcherrima (black-eyed Susan)
Rudbeckia laciniata var. laciniata (cut-leaved coneflower)
Rumex altissimus (pale dock)
Rumex britannica (greater water dock)
Rumex crispus (curly dock)
Sagittaria cuneata (arum-leaved arrow-head)
Sagittaria graminea subsp. graminea (grass-leaved arrowhead)
Sagittaria latifolia (broad-leaved arrow-head)
Sagittaria rigida (sessile-fruited arrow-head)
Salix bebbiana (beaked willow)
Salix discolor (pussy willow)
Salix humilis (prairie willow)
Salix pedicellaris (bog willow)
Salix x rubens (hybrid crack willow)
Sambucus racemosa subsp. pubens var. pubens (red elderberry)
Sanguinaria canadensis (bloodroot)
Sanicula marilandica (black snakeroot)
Sanicula odorata (clustered black snakeroot)
Sceptridium dissectum (cut-leaved grape fern)
Sceptridium multifidum (leathery grape fern)
Schizachne purpurascens (false melic grass)
Schizachyrium scoparium (broom beard grass)
Schizachyrium scoparium var. scoparium (broom beard grass)
Schoenoplectus acutus var. acutus (hard-stem bulrush)
Schoenoplectus heterochaetus (slender bulrush)
Schoenoplectus pungens (chair-maker's rush)
Schoenoplectus tabernaemontani (great bulrush)
Scirpus atrocinctus (black-girdled wool-grass)
Scirpus atrovirens (black bulrush)
Scirpus cyperinus (wool-grass)
Scrophularia lanceolata (American figwort)
Scutellaria lateriflora (blue skullcap)
Selaginella rupestris (dwarf spike-moss)
Setaria italica (foxtail bristle grass)
Setaria pumila subsp. pumila (pigeon grass)
Setaria viridis (green bristle grass)
Setaria viridis var. viridis (green bristle grass)
Silene antirrhina (sleepy catchfly)
Silene csereii (Balkan catchfly)
Silene latifolia (bladder campion)
Sinapis arvensis (California rape)
Sisymbrium altissimum (tall tumble mustard)
Sisyrinchium campestre (prairie blue-eyed-grass)
Sium suave (hemlock water-parsnip)
Smilax ecirrhata (upright carrion-flower)
Smilax illinoensis (Illinois carrion-flower)
Smilax lasioneura (common carrion flower)
Smilax tamnoides (bristly greenbrier)
Solanum dulcamara (bittersweet nightshade)
Solanum ptychanthum (eastern black nightshade)
Solidago (Goldenrod)
Solidago altissima subsp. altissima (Canadian goldenrod)
Solidago canadensis (Canadian goldenrod)
Solidago flexicaulis (broad-leaved goldenrod)
Solidago gigantea (giant goldenrod)
Solidago juncea (early goldenrod)
Solidago missouriensis (Missouri goldenrod)
Solidago rigida (rigid goldenrod)
Solidago rigida subsp. rigida (rigid goldenrod)
Solidago ulmifolia (elm-leaved goldenrod)
Solidago ulmifolia var. ulmifolia (elm-leaved goldenrod)
Sonchus arvensis subsp. uliginosus (marsh sow-thistle)
Sorghastrum nutans (yellow Indian grass)
Sparganium eurycarpum (broad-fruit bur-reed)
Spartina pectinata (prairie cord grass)
Spiraea alba var. alba (white meadowsweet)
Spiranthes cernua (nodding lady's-tresses)
Spirodela polyrrhiza (giant duckweed)
Sporobolus heterolepis (northern drop-seed)
Stachys palustris (hedge-nettle)
Stachys tenuifolia var. tenuifolia (narrow-leaved hedge-nettle)
Staphylea trifolia (American bladdernut)
Stellaria longifolia (long-leaved stitchwort)
Strophostyles leiosperma (slick-seed fuzzy bean)
Stuckenia pectinata (comb pondweed)
Symphoricarpos albus var. albus (snowberry)
Symphoricarpos occidentalis (western snowberry)
Symphyotrichum ciliolatum (Lindley's aster)
Symphyotrichum cordifolium (common blue heart-leaved aster)
Symphyotrichum drummondii var. drummondii (Drummond's aster)
Symphyotrichum ericoides var. ericoides (heath aster)
Symphyotrichum firmum (shining aster)
Symphyotrichum laeve var. laeve (smooth aster)
Symphyotrichum lanceolatum (eastern lined aster)
Symphyotrichum lateriflorum (calico aster)
Symphyotrichum novae-angliae (New England aster)
Symphyotrichum oblongifolium (aromatic aster)
Symphyotrichum oolentangiense (azure aster)
Symphyotrichum prenanthoides (crooked aster)
Symphyotrichum puniceum var. puniceum (bristly aster)
Symphyotrichum sericeum (silky aster)
Symphyotrichum urophyllum (arrow-leaved aster)
Tanacetum vulgare (common tansy)
Taraxacum officinale (common dandelion)
Taxus canadensis (American yew)
Tephrosia virginiana (goat's-rue)
Teucrium canadense var. occidentale (American germander)
Thalictrum dasycarpum (purple meadow-rue)
Thalictrum dioicum (early meadow-rue)
Thelypteris palustris var. pubescens (eastern marsh fern)
Thuja occidentalis (eastern arborvitae)
Tilia americana var. americana (American basswood)
Toxicodendron radicans subsp. negundo (common eastern poison-ivy)
Toxicodendron rydbergii (Rydberg's poison-ivy)
Tradescantia bracteata (bracted spiderwort)
Tragopogon dubius (fistulous goat's-beard)
Triadenum fraseri (bog St. John's-wort)
Trientalis borealis (American starflower)
Trifolium arvense (rabbit-foot clover)
Trifolium aureum (golden clover)
Trifolium campestre (field clover)
Trifolium hybridum (alsike clover)
Trifolium pratense (red clover)
Trifolium repens (white clover)
Trillium cernuum (nodding trillium)
Trillium grandiflorum (big white trillium)
Triodanis perfoliata (clasping Venus'-looking-glass)
Triosteum perfoliatum (feverwort)
Typha X glauca (hybrid cat-tail)
Typha angustifolia (narrow-leaved cat-tail)
Typha latifolia (broad-leaved cat-tail)
Ulmus americana (American elm)
Ulmus pumila (hybrid elm)
Ulmus rubra (red elm)
Urtica dioica subsp. gracilis (stinging nettle)
Utricularia vulgaris (Common bladderwort)
Uvularia grandiflora (large-flowered bellwort)
Vaccinium angustifolium (early low blueberry)
Vallisneria americana (American eelgrass)
Verbascum thapsus (common mullein)
Verbena hastata (blue vervain)
Verbena urticifolia (nettle-leaved vervain)
Vernonia fasciculata (common ironweed)
Veronica beccabunga var. americana (American brooklime)
Veronica peregrina subsp. peregrina (neck-weed)
Veronicastrum virginicum (Culver's-physic)
Viburnum lentago (nannyberry)
Viburnum rafinesquianum var. affine (arrow-wood)
Vicia americana subsp. americana (American vetch)
Viola blanda var. palustriformis (sweet white violet)
Viola canadensis (Canadian white violet)
Viola labradorica (alpine violet)
Viola macloskeyi subsp. pallens (small white violet)
Viola pedatifida (prairie violet)
Viola pubescens var. scabriuscula (smooth yellow violet)
Viola sagittata var. sagittata (arrow-leaved violet)
Viola sororia (door-yard violet)
Vitis labrusca (fox grape)
Vitis riparia (frost grape)
Wolffia borealis (Northern water-meal)
Wolffia columbiana (common water-meal)
Zannichellia palustris (horned-pondweed)
Zanthoxylum americanum (common prickly-ash)
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