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Polk County 2016
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Name of Above Organism
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Acer negundo (ash-leaved maple)
Acer negundo var. negundo (box elder)
Acer rubrum var. rubrum (red maple)
Acer saccharinum (silver maple)
Acer spicatum (mountain maple)
Achillea millefolium (common yarrow)
Acorus americanus (sweet-flag)
Actaea pachypoda (doll's-eyes)
Actaea rubra (red baneberry)
Adiantum pedatum (maidenhair fern)
Agalinis gattingeri (round-stem foxglove)
Agalinis paupercula (small-flowered false foxglove)
Agalinis paupercula var. borealis (small-flowered false foxglove)
Ageratina altissima subsp. altissima (white snakeroot)
Agrimonia pubescens (downy agrimony)
Agrostis gigantea (redtop)
Agrostis hyemalis (southern hair grass)
Agrostis perennans var. perennans (autumn bent grass)
Agrostis scabra (rough bent grass)
Agrostis stolonifera (creeping bent grass)
Alisma subcordatum (American water-plantain)
Alisma triviale (northern water-plantain)
Alliaria petiolata (garlic mustard)
Allium burdickii (narrow-leaved wild leek)
Allium canadense var. canadense (meadow garlic)
Allium schoenoprasum (chives)
Allium stellatum (Autumn onion)
Allium tricoccum (ramp)
Alnus incana subsp. rugosa (mountain alder)
Alopecurus aequalis (short-awned foxtail)
Amaranthus albus (prostrate pigweed)
Amaranthus blitoides (creeping amaranth)
Amaranthus tuberculatus (rough-fruited amaranth)
Ambrosia artemisiifolia (annual bur-sage)
Ambrosia trifida (giant ragweed)
Amelanchier laevis (Allegheny serviceberry)
Amelanchier sanguinea (low shadblow)
Amorpha canescens (lead-plant)
Amorpha fruticosa (desert indigo-bush)
Amphicarpaea bracteata (American hog-peanut)
Anaphalis margaritacea (pearly everlasting)
Andromeda polifolia var. latifolia (bog-rosemary)
Andropogon gerardii (big blue-stem)
Androsace occidentalis (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)
Angelica atropurpurea (common great angelica)
Antennaria howellii subsp. canadensis (Canadian pussy-toes)
Antennaria neglecta (cat's-foot)
Antennaria parlinii subsp. fallax (Parlin's pussy-toes)
Antennaria plantaginifolia (plantain pussy-toes)
Anthriscus sylvestris (wild chervil)
Apios americana (common groundnut)
Apocynum androsaemifolium (spreading dogbane)
Aquilegia canadensis (Canadian columbine)
Arabidopsis lyrata subsp. lyrata (lyrate rock-cress)
Aralia nudicaulis (wild sarsaparilla)
Aralia racemosa (American spikenard)
Arctium minus (common burdock)
Arctostaphylos uva-ursi (bearberry)
Arisaema triphyllum subsp. triphyllum (Indian turnip)
Aristida basiramea (fork-tip three-awn grass)
Aristida purpurascens var. purpurascens (arrow-feather)
Aronia x prunifolia (black chokecherry)
Artemisia absinthium (absinth sage-wort)
Artemisia campestris subsp. caudata (field sage-wort)
Artemisia dracunculus (dragon sage-wort)
Artemisia ludoviciana subsp. ludoviciana (Louisiana sage-wort)
Artemisia serrata (saw-leaf mugwort)
Asarum canadense (Canadian wild-ginger)
Asclepias exaltata (poke milkweed)
Asclepias ovalifolia (dwarf milkweed)
Asclepias syriaca (common milkweed)
Asclepias tuberosa subsp. interior (butterfly milkweed)
Asclepias verticillata (whorled milkweed)
Asclepias viridiflora (green-flowered milkweed)
Asparagus officinalis (asparagus)
Astragalus canadensis var. canadensis (Canadian milk-vetch)
Athyrium filix-femina var. angustum (common lady fern)
Atocion armeria (sweet-William catchfly)
Avena sativa (oats)
Baptisia leucophaea (cream wild indigo)
Barbarea vulgaris (garden yellow-rocket)
Berberis thunbergii (Japanese barberry)
Berteroa incana (hoary false madwort)
Betula alleghaniensis (yellow birch)
Betula papyrifera (canoe birch)
Betula pumila (bog 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 canadensis (sickle-pod)
Boechera stricta (Drummond's rock-cress)
Boehmeria cylindrica (small-spike false nettle)
Bolboschoenus fluviatilis (river bulrush)
Boltonia asteroides var. recognita (false aster)
Botrychium matricariifolium (daisy-leaf grape fern)
Botrypus virginianus (rattlesnake fern)
Bouteloua hirsuta subsp. hirsuta (hairy grama)
Brachyelytrum aristosum (bearded shorthusk)
Brachyelytrum erectum (bearded shorthusk)
Brasenia schreberi (water-shield)
Bromus ciliatus (fringed brome)
Bromus inermis (Hungarian brome)
Bromus kalmii (Arctic brome)
Bromus latiglumis (ear-leaved brome)
Bromus pubescens (Canadian brome)
Bromus tectorum (cheat grass)
Bulbostylis capillaris (hair sedge)
Calamagrostis canadensis (blue-joint grass)
Calla palustris (water-arum)
Calopogon tuberosus var. tuberosus (grass pink)
Caltha palustris (cowslip)
Calystegia sepium (hedge bindweed)
Campanula aparinoides (marsh bellflower)
Campanula rapunculoides (creeping bellflower)
Campanula rotundifolia (bluebell)
Campanulastrum americanum (American bellflower)
Capnoides sempervirens (pink and yellow corydalis)
Capsella bursa-pastoris (shepherd's-purse)
Cardamine bulbosa (spring-cress)
Cardamine pensylvanica (Pennsylvania bitter-cress)
Carduus nutans (musk thistle)
Carex (Sedge)
Carex arctata (drooping woodland sedge)
Carex assiniboinensis (Assiniboine sedge)
Carex atherodes (wheat sedge)
Carex aurea (elk sedge)
Carex bebbii (Bebb's oval sedge)
Carex bicknellii (Bicknell's oval sedge)
Carex blanda (common wood sedge)
Carex brevior (fescue sedge)
Carex bromoides subsp. bromoides (brome-like sedge)
Carex brunnescens subsp. sphaerostachya (brownish sedge)
Carex canescens (gray bog sedge)
Carex careyana (Carey's sedge)
Carex cephalophora (oval-headed sedge)
Carex crawfordii (Crawford's oval sedge)
Carex crinita var. crinita (fringed sedge)
Carex cristatella (crested oval sedge)
Carex deweyana (Dewey's sedge)
Carex deweyana var. deweyana (Dewey's sedge)
Carex eburnea (bristle-leaf sedge)
Carex emoryi (Emory's sedge)
Carex folliculata (long sedge)
Carex haydenii (Hayden's sedge)
Carex hystericina (bottlebrush sedge)
Carex interior (inland sedge)
Carex intumescens (greater bladder sedge)
Carex lacustris (common lake sedge)
Carex laeviconica (long-toothed lake sedge)
Carex lasiocarpa subsp. americana (American woolly-fruit sedge)
Carex lupulina (common hop sedge)
Carex lurida (shallow sedge)
Carex magellanica subsp. irrigua (boreal bog sedge)
Carex meadii (Mead's sedge)
Carex normalis (greater straw sedge)
Carex oligosperma (few-seeded hop sedge)
Carex peckii (Peck's oak sedge)
Carex pedunculata (long-stalk sedge)
Carex pensylvanica (common oak sedge)
Carex prairea (fen panicled sedge)
Carex projecta (loose-headed oval sedge)
Carex retrorsa (deflexed bottlebrush sedge)
Carex rosea (curly-styled wood sedge)
Carex rostrata (beaked sedge)
Carex sartwellii (running marsh sedge)
Carex scoparia (broom sedge)
Carex scoparia var. scoparia (broom sedge)
Carex siccata (dry-spiked sedge)
Carex sprengelii (long-beaked sedge)
Carex stipata var. stipata (common fox sedge)
Carex stricta (common tussock sedge)
Carex sychnocephala (many-headed oval sedge)
Carex tenera (marsh straw sedge)
Carex tenuiflora (small-headed bog sedge)
Carex tribuloides var. tribuloides (awl-fruited oval sedge)
Carex trisperma (three-fruited sedge)
Carex tuckermanii (bent-seeded hop sedge)
Carex typhina (cat-tail sedge)
Carex utriculata (common yellow lake sedge)
Carex vesicaria (blister sedge)
Carpinus caroliniana subsp. virginiana (American hornbeam)
Carya cordiformis (bitter-nut hickory)
Castilleja coccinea (Indian paintbrush)
Caulophyllum thalictroides (blue cohosh)
Ceanothus americanus (New Jersey tea)
Celastrus scandens (American bittersweet)
Celtis occidentalis (northern hackberry)
Cenchrus longispinus (field sandbur)
Centaurea stoebe subsp. micranthos (spotted knapweed)
Cephalanthus occidentalis (buttonbush)
Cerastium fontanum subsp. vulgare (big mouse-ear chickweed)
Ceratophyllum demersum (coon's-tail)
Ceratophyllum echinatum (prickly hornwort)
Chamaedaphne calyculata (leather-leaf)
Chelone glabra (turtlehead)
Chenopodium album (lamb's quarters)
Chenopodium pratericola (desert goosefoot)
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)
Cinna latifolia (drooping wood-reed)
Circaea canadensis subsp. canadensis (broad-leaf enchanter's-nightshade)
Cirsium arvense (Canada thistle)
Cirsium discolor (field thistle)
Cirsium muticum (swamp thistle)
Cirsium vulgare (bull thistle)
Claytonia virginica (spring-beauty)
Clematis virginiana (devil's-darning-needle)
Clinopodium vulgare (wild-basil)
Clintonia borealis (blue-bead-lily)
Comandra umbellata subsp. umbellata (bastard-toadflax)
Comarum palustre (marsh cinquefoil)
Commelina communis (Asiatic dayflower)
Comptonia peregrina (sweet-fern)
Conyza canadensis (Canadian horseweed)
Corallorhiza maculata (spotted coralroot)
Corallorhiza trifida (early coralroot)
Coreopsis lanceolata (lance-leaf tickseed)
Coreopsis palmata (finger tickseed)
Cornus alternifolia (alternate-leaved dogwood)
Cornus amomum subsp. obliqua (blue-fruited dogwood)
Cornus canadensis (bunchberry)
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)
Crataegus calpodendron (sugar hawthorn)
Crataegus irrasa (Blanchard's hawthorn)
Crataegus jesupii (Jesup's hawthorn)
Crataegus macracantha (hawthorn)
Crataegus schuettei (Schuette's hawthorn)
Crataegus succulenta (fleshy hawthorn)
Crepis tectorum (hawk's-beard)
Crocanthemum bicknellii (Bicknell's rock-rose)
Crocanthemum canadense (common rock-rose)
Cryptogramma stelleri (slender cliff brake)
Cryptotaenia canadensis (Canadian honewort)
Cuscuta coryli (hazel dodder)
Cuscuta gronovii var. gronovii (common dodder)
Cyclachaena xanthiifolia (bur-weed marsh-elder)
Cyperus diandrus (low cyperus)
Cyperus erythrorhizos (red-rooted sedge)
Cyperus esculentus var. leptostachyus (field nut sedge)
Cyperus lupulinus subsp. macilentus (Great Plains flat sedge)
Cyperus odoratus (flat sedge)
Cyperus schweinitzii (Great Plains sand sedge)
Cyperus squarrosus (bearded flat sedge)
Cyperus strigosus (false nut sedge)
Cypripedium acaule (moccasin-flower)
Cypripedium parviflorum var. makasin (small yellow lady's-slipper)
Cypripedium parviflorum var. pubescens (large yellow 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)
Danthonia spicata (poverty danthonia)
Daucus carota (Queen Anne's-lace)
Decodon verticillatus (swamp loosestrife)
Delphinium carolinianum subsp. virescens (Carolina larkspur)
Dendrolycopodium dendroideum (northern tree club-moss)
Dendrolycopodium hickeyi (Hickey's club-moss)
Dendrolycopodium obscurum (flat-branched ground-pine)
Deparia acrostichoides (silver false spleenwort)
Deschampsia cespitosa subsp. cespitosa (small-flowered tickle grass)
Desmodium canadense (Canadian tick-trefoil)
Dichanthelium boreale (northern panic grass)
Dichanthelium latifolium (broad-leaved panic grass)
Dichanthelium leibergii (Leiberg's panic grass)
Dichanthelium linearifolium (linear-leaved panic grass)
Dichanthelium perlongum (long-stalked panic grass)
Dichanthelium xanthophysum (pale panic grass)
Diervilla lonicera (northern bush-honeysuckle)
Digitaria ischaemum (smooth crabgrass)
Dioscorea villosa (colic-root)
Diphasiastrum complanatum (Christmas green)
Diphasiastrum digitatum (crowfoot club-moss)
Doellingeria umbellata (flat-top aster)
Draba verna (spring 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 fragrans (fragrant fern)
Dryopteris intermedia (fancy wood fern)
Dulichium arundinaceum var. arundinaceum (pond sedge)
Echinochloa crus-galli (barnyard grass)
Echinochloa muricata var. microstachya (rough barnyard grass)
Echinochloa muricata var. muricata (barnyard grass)
Echinochloa walteri (coast barnyard grass)
Elatine minima (mud-purslane)
Elatine triandra (greater waterwort)
Eleocharis acicularis (needle spike-rush)
Eleocharis intermedia (matted spike-rush)
Eleocharis obtusa (blunt spike-rush)
Eleocharis ovata (oval spike-rush)
Eleocharis palustris (common spike-rush)
Eleocharis robbinsii (Robbins' spike-rush)
Elodea canadensis (Canadian waterweed)
Elodea nuttallii (free-flowered water-weed)
Elymus canadensis (Canada wild-rye)
Elymus diversiglumis (Minnesota wild-rye)
Elymus hystrix (bottlebrush grass)
Elymus hystrix var. hystrix (bottlebrush grass)
Elymus repens (couchgrass)
Elymus trachycaulus (slender wheat grass)
Elymus trachycaulus subsp. subsecundus (bearded wheat grass)
Elymus trachycaulus subsp. trachycaulus (slender wheat grass)
Elymus villosus var. villosus (downy wild-rye)
Elymus virginicus var. virginicus (common eastern wild-rye)
Elymus wiegandii (broad-leaved wild-rye)
Enemion biternatum (false rue anemone)
Epilobium ciliatum (American willow-herb)
Epilobium palustre (marsh willow-herb)
Epilobium strictum (downy willow-herb)
Equisetum arvense (common horsetail)
Equisetum fluviatile (pipes)
Equisetum hyemale subsp. affine (common scouring rush)
Equisetum pratense (meadow horsetail)
Equisetum scirpoides (dwarf scouring rush)
Equisetum sylvaticum (wood horsetail)
Equisetum x ferrissii (Ferriss' horsetail)
Eragrostis capillaris (lace grass)
Eragrostis cilianensis (stink grass)
Eragrostis hypnoides (creeping love grass)
Eragrostis pectinacea (Carolina love grass)
Eragrostis pectinacea var. pectinacea (Carolina love grass)
Eragrostis spectabilis (purple love grass)
Erechtites hieracifolius var. hieracifolius (American burn-weed)
Erigeron philadelphicus (common fleabane)
Erigeron strigosus (daisy fleabane)
Erigeron strigosus var. strigosus (daisy fleabane)
Eriocaulon aquaticum (seven-angle pipewort)
Eriophorum vaginatum (tussock cotton-grass)
Eriophorum virginicum (rusty cotton-grass)
Erythronium (Trout-Lily)
Erythronium albidum (small white fawn-lily)
Eupatorium perfoliatum (boneset)
Euphorbia corollata (flowering spurge)
Euphorbia cyparissias (cypress spurge)
Euphorbia geyeri (Geyer's sand-mat)
Euphorbia glyptosperma (rib-seed sand-mat)
Euphorbia maculata (milk-purslane)
Euphorbia nutans (eye-bane)
Euphorbia serpyllifolia (thyme-leaved spurge)
Eurybia macrophylla (big-leaved aster)
Euthamia graminifolia (common flat-topped goldenrod)
Eutrochium maculatum (spotted Joe-Pye-weed)
Eutrochium maculatum var. maculatum (spotted Joe-Pye-weed)
Eutrochium purpureum (green-stemmed Joe-Pye-weed)
Fallopia cilinodis (black-fringe bindweed)
Fallopia convolvulus (black-bindweed)
Fallopia scandens (climbing false buckwheat)
Festuca rubra (red fescue)
Festuca saximontana (Rocky Mountain fescue)
Festuca subverticillata (nodding fescue)
Fimbristylis autumnalis (autumn sedge)
Floerkea proserpinacoides (false mermaid)
Fragaria virginiana (thick-leaved wild strawberry)
Fraxinus americana (white ash)
Fraxinus nigra (black ash)
Fraxinus pennsylvanica (green ash)
Froelichia gracilis (cotton-weed)
Galearis spectabilis (showy orchis)
Galeopsis tetrahit var. bifida (brittle-stem hemp-nettle)
Galinsoga quadriradiata (common quick-weed)
Galium aparine (annual bedstraw)
Galium asprellum (rough bedstraw)
Galium boreale (northern bedstraw)
Galium concinnum (pretty bedstraw)
Galium labradoricum (Labrador marsh bedstraw)
Galium lanceolatum (lance-leaved wild licorice)
Galium obtusum subsp. obtusum (blunt-leaf bedstraw)
Galium tinctorium (southern three-lobed bedstraw)
Galium trifidum subsp. trifidum (northern three-lobed bedstraw)
Gaultheria hispidula (creeping-snowberry)
Gaultheria procumbens (checkerberry)
Gentiana alba (cream gentian)
Gentiana andrewsii var. andrewsii (Andrews' gentian)
Geranium bicknellii var. bicknellii (Bicknell's crane's-bill)
Geranium maculatum (Crane's-bill)
Geum aleppicum (yellow avens)
Geum canadense (white avens)
Geum fragarioides (barren-strawberry)
Geum triflorum var. triflorum (old-man's-whiskers)
Glechoma hederacea (creeping-Charlie)
Glyceria borealis (northern manna grass)
Glyceria canadensis (rattlesnake grass)
Glyceria grandis (American glyceria)
Glyceria striata (fowl manna grass)
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 deflexa var. americana (American stickseed)
Hackelia virginiana (beggar's-lice)
Hamamelis virginiana (American witch-hazel)
Hedeoma hispida (rough false pennyroyal)
Helenium autumnale (common sneezeweed)
Helianthus X laetiflorus (cheerful sunflower)
Helianthus giganteus (giant sunflower)
Helianthus occidentalis subsp. occidentalis (few-leaved sunflower)
Helianthus pauciflorus (few-leaved sunflower)
Helianthus pauciflorus subsp. subrhomboideus (few-leaved sunflower)
Helianthus strumosus (pale-leaved woodland sunflower)
Heliopsis helianthoides (false sunflower)
Heliopsis helianthoides var. scabra (false sunflower)
Hemerocallis fulva (orange daylily)
Heracleum maximum (American cow-parsnip)
Hesperis matronalis (dame's rocket)
Hesperostipa spartea (needle grass)
Heteranthera dubia (water star-grass)
Heuchera richardsonii (prairie alumroot)
Hieracium aurantiacum (devil's-paintbrush)
Hieracium caespitosum (field hawkweed)
Hordeum jubatum (foxtail barley)
Houstonia longifolia (long-leaved bluets)
Hudsonia tomentosa var. tomentosa (false heather)
Humulus lupulus (common hop)
Humulus lupulus var. lupuloides (common hop)
Huperzia lucidula (shining club-moss)
Hydrocotyle americana (American marsh pennywort)
Hydrophyllum virginianum (John's-cabbage)
Hylodesmum glutinosum (cluster-leaf tick-trefoil)
Hylodesmum nudiflorum (bare-stemmed tick-trefoil)
Hylotelephium telephium (live-forever)
Hypericum ascyron (giant St. John's-wort)
Hypericum boreale (northern St. John's-wort)
Hypericum ellipticum (creeping St. John's-wort)
Hypericum majus (larger Canadian St. John's-wort)
Hypericum perforatum (common St. John's-wort)
Hypericum punctatum (spotted St. John's-wort)
Hypopitys monotropa (false beechdrops)
Hypoxis hirsuta (common gold-star)
Ilex mucronata (cat-berry)
Ilex verticillata (common winterberry)
Impatiens capensis (orange jewelweed)
Iris pseudacorus (pale-yellow iris)
Iris versicolor (blue flag)
Isoëtes echinospora (spiny-spored quillwort)
Juglans cinerea (butternut)
Juncus balticus subsp. littoralis (Arctic rush)
Juncus brevicaudatus (narrow-panicle rush)
Juncus canadensis (Canadian rush)
Juncus effusus (common rush)
Juncus pelocarpus (brown-fruited rush)
Juncus tenuis (path rush)
Juniperus communis var. depressa (common juniper)
Juniperus horizontalis (creeping juniper)
Juniperus virginiana var. virginiana (eastern red-cedar)
Kalmia polifolia (bog-laurel)
Koeleria macrantha (June grass)
Lactuca canadensis (Canada lettuce)
Laportea canadensis (Canadian wood-nettle)
Lappula squarrosa (European stickseed)
Larix laricina (larch)
Lathyrus (Vetchling)
Lathyrus ochroleucus (cream pea-vine)
Lathyrus palustris (marsh pea)
Lathyrus venosus (forest pea)
Lechea intermedia var. intermedia (intermediate pinweed)
Lechea stricta (bushy pinweed)
Leersia oryzoides (rice cut grass)
Leersia virginica (white cutgrass)
Lemna minor (common duckweed)
Lemna trisulca (forked duckweed)
Lemna turionifera (perennial duckweed)
Leonurus cardiaca (lion's-tail)
Lepidium densiflorum (prairie pepper-weed)
Lespedeza capitata (round-headed bush-clover)
Leucanthemum vulgare (common daisy)
Leucophysalis grandiflora (large-flowered ground-cherry)
Liatris cylindracea (cylindrical blazing-star)
Lilium michiganense (Michigan lily)
Lilium philadelphicum (orange-cup lily)
Linaria vulgaris (butter-and-eggs)
Liparis liliifolia (brown wide-lip orchid)
Lipocarpha micrantha (small-flowered hemicarpha)
Lithospermum canescens (hoary puccoon)
Lithospermum caroliniense subsp. croceum (Carolina puccoon)
Lithospermum latifolium (American gromwell)
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 canadensis (American fly honeysuckle)
Lonicera dioica var. glaucescens (wild honeysuckle)
Lonicera morrowii (Asian fly honeysuckle)
Lonicera tatarica (Tartarian honeysuckle)
Lonicera xylosteum (dwarf honeysuckle)
Lotus corniculatus (bird's-foot deer-vetch)
Ludwigia polycarpa (false-loosestrife)
Lupinus perennis (sundial lupine)
Luzula acuminata var. acuminata (hairy wood rush)
Luzula multiflora subsp. multiflora (common wood rush)
Lycopodiella inundata (bog club-moss)
Lycopodium clavatum (running club-moss)
Lycopus americanus (American water-horehound)
Lycopus asper (rough bugleweed)
Lycopus uniflorus (northern bugleweed)
Lysimachia ciliata (fringed loosestrife)
Lysimachia hybrida (lowland yellow loosestrife)
Lysimachia quadriflora (narrow-leaved loosestrife)
Lysimachia quadrifolia (whorled loosestrife)
Lysimachia terrestris (bulbil loosestrife)
Lysimachia thyrsiflora (swamp loosestrife)
Lythrum salicaria (purple loosestrife)
Maianthemum canadense (Canada bead-ruby)
Maianthemum racemosum (false Solomon's-seal)
Maianthemum stellatum (little false Solomon's-seal)
Malaxis unifolia (green adder's-mouth)
Malus pumila (cultivated apple)
Malva neglecta (cheeses)
Malva pusilla (low mallow)
Matteuccia struthiopteris (American ostrich fern)
Medicago lupulina (black medick)
Medicago sativa (alfalfa)
Melilotus albus (white sweet-clover)
Melilotus officinalis (yellow sweet-clover)
Mentha canadensis (field mint)
Micranthes pensylvanica (eastern swamp saxifrage)
Milium effusum (American millet grass)
Mimulus glabratus var. jamesii (James' monkey-flower)
Mimulus ringens var. ringens (Allegheny monkey-flower)
Mirabilis albida (pale umbrella-wort)
Mirabilis nyctaginea (heart-leaved umbrella-wort)
Mitchella repens (partridgeberry)
Mitella diphylla (bishop's-cap)
Moehringia lateriflora (grove sandwort)
Mollugo verticillata (carpetweed)
Monarda fistulosa subsp. fistulosa (bee balm)
Monarda punctata var. villicaulis (dotted horsemint)
Monotropa uniflora (Indian-pipe)
Muhlenbergia frondosa (common satin grass)
Muhlenbergia glomerata (marsh muhly)
Muhlenbergia mexicana (leafy satin grass)
Myosotis scorpioides (common forget-me-not)
Myosoton aquaticum (giant chickweed)
Myriophyllum farwellii (Farwell's milfoil)
Myriophyllum sibiricum (common water-milfoil)
Myriophyllum spicatum (Eurasian water-milfoil)
Myriophyllum tenellum (dwarf water-milfoil)
Najas flexilis (nodding water-nymph)
Najas gracillima (slender water-nymph)
Najas guadalupensis (southern naiad)
Nasturtium officinale (watercress)
Nelumbo lutea (American lotus-lily)
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 parviflora (northern evening-primrose)
Oenothera perennis (small evening-primrose)
Onoclea sensibilis (sensitive fern)
Opuntia fragilis (brittle prickly-pear)
Orthilia secunda (one-sided shin-leaf)
Oryzopsis asperifolia (rough-leaved rice grass)
Osmorhiza longistylis (anise-root)
Osmunda cinnamomea (cinnamon fern)
Osmunda claytoniana (interrupted fern)
Osmunda regalis var. spectabilis (American royal fern)
Ostrya virginiana (eastern hop-hornbeam)
Oxalis violacea (violet wood-sorrel)
Packera aurea (golden ragwort)
Packera paupercula (balsam groundsel)
Panicum capillare (common witch grass)
Panicum philadelphicum subsp. philadelphicum (Philadephia panic grass)
Panicum virgatum (switch grass)
Parietaria pensylvanica (Pennsylvanian pellitory)
Parthenocissus inserta (grape woodbine)
Parthenocissus quinquefolia (Virginia creeper)
Pastinaca sativa (wild parsnip)
Patis racemosa (black-seeded rice grass)
Pedicularis canadensis (Canadian lousewort)
Pedicularis canadensis subsp. canadensis (Canadian lousewort)
Pedicularis lanceolata (fen betony)
Pediomelum argophyllum (silvery scurf-pea)
Pellaea glabella subsp. glabella (dwarf cliff brake)
Penstemon digitalis (false foxglove)
Penstemon gracilis subsp. wisconsinensis (Wisconsin beard-tongue)
Penstemon grandiflorus (large beard-tongue)
Penthorum sedoides (ditch stonecrop)
Persicaria amphibia (water heart's-ease)
Persicaria arifolia (Halberd-leaf tearthumb)
Persicaria lapathifolia (curly-top knotweed)
Persicaria maculosa (heart's-ease)
Persicaria pensylvanica (Pennsylvania knotweed)
Persicaria punctata (dotted smartweed)
Persicaria sagittata (arrow-leaved tearthumb)
Phalaris arundinacea (reed canary grass)
Phegopteris connectilis (Narrow beech fern)
Phleum pratense subsp. pratense (common timothy)
Phlox divaricata subsp. laphamii (blue phlox)
Phragmites australis (common reed)
Phryma leptostachya (American lop-seed)
Physalis heterophylla var. heterophylla (clammy ground-cherry)
Physocarpus opulifolius (common ninebark)
Physostegia virginiana subsp. virginiana (false dragonhead)
Picea glauca (white spruce)
Picea mariana (black spruce)
Pilea fontana (bog clearweed)
Pilea pumila (Canadian clearweed)
Pimpinella saxifraga (solid-stem burnet-saxifrage)
Pinus banksiana (jack pine)
Pinus resinosa (Canadian pine)
Pinus strobus (eastern white pine)
Pinus sylvestris (Scotch pine)
Piptatheropsis pungens (mountain rice grass)
Plantago major (broad-leaved plantain)
Plantago rugelii (American plantain)
Platanthera dilatata var. dilatata (boreal bog orchid)
Platanthera lacera (green fringed orchid)
Platanthera psycodes (lesser purple fringed orchid)
Poa alsodes (grove bluegrass)
Poa nemoralis (wood bluegrass)
Poa paludigena (bog bluegrass)
Poa palustris (fowl meadow grass)
Poa pratensis (Kentucky bluegrass)
Polanisia dodecandra (rough-seed clammy-weed)
Polygala sanguinea (blood milkwort)
Polygala senega (Seneca snakeroot)
Polygonatum biflorum (giant Solomon's-seal)
Polygonatum pubescens (downy Solomon's-seal)
Polygonum achoreum (beak-seeded knotweed)
Polygonum aviculare (common knotweed)
Polygonum aviculare subsp. depressum (door-yard knotweed)
Polypodium virginianum (common polypody)
Pontederia cordata (pickerel-weed)
Populus deltoides subsp. monilifera (plains cottonwood)
Populus grandidentata (big-tooth aspen)
Populus tremuloides (aspen)
Portulaca oleracea (common purslane)
Potamogeton amplifolius (big-leaved pondweed)
Potamogeton bicupulatus (snail-seed pondweed)
Potamogeton crispus (curled pondweed)
Potamogeton epihydrus (ribbon-leaf pondweed)
Potamogeton foliosus subsp. foliosus (leafy pondweed)
Potamogeton friesii (Fries's pondweed)
Potamogeton gramineus (grass-leaved pondweed)
Potamogeton illinoensis (Illinois pondweed)
Potamogeton natans (common pondweed)
Potamogeton nodosus (long-leaf pondweed)
Potamogeton praelongus (white-stemmed pondweed)
Potamogeton pusillus (slender pondweed)
Potamogeton pusillus subsp. pusillus (broad-leaved small pondweed)
Potamogeton richardsonii (Richardson's pondweed)
Potamogeton robbinsii (fern pondweed)
Potamogeton spirillus (northern snail-seed pondweed)
Potamogeton vaseyi (Vasey's pondweed)
Potamogeton zosteriformis (flat-stem pondweed)
Potentilla anserina subsp. anserina (silver-weed)
Potentilla argentea (silvery cinquefoil)
Potentilla norvegica (Norwegian cinquefoil)
Potentilla recta (rough-fruited cinquefoil)
Potentilla simplex (common cinquefoil)
Prenanthes alba (lion's-foot)
Prunella vulgaris (heal-all)
Prunella vulgaris subsp. lanceolata (lance self-heal)
Prunus americana (American plum)
Prunus nigra (Canadian plum)
Prunus pensylvanica (fire cherry)
Prunus pumila (sand cherry)
Prunus serotina (wild black cherry)
Prunus virginiana var. virginiana (chokecherry)
Pseudognaphalium obtusifolium (cat's-foot)
Pteridium aquilinum var. latiusculum (bracken)
Pyrola (Wintergreen)
Pyrola elliptica (elliptic shin-leaf)
Quercus alba (white oak)
Quercus bicolor (swamp white oak)
Quercus ellipsoidalis (Hill's oak)
Quercus macrocarpa (bur oak)
Quercus rubra (northern red oak)
Quercus x bebbiana (Bebb's oak)
Ranunculus abortivus (little-leaf buttercup)
Ranunculus acris (common buttercup)
Ranunculus aquatilis var. diffusus (white water crowfoot)
Ranunculus fascicularis (early buttercup)
Ranunculus flammula (creeping spearwort)
Ranunculus flammula var. reptans (creeping spearwort)
Ranunculus hispidus var. nitidus (bristly buttercup)
Ranunculus pensylvanicus (bristly buttercup)
Ranunculus recurvatus var. recurvatus (blisterwort)
Ranunculus rhomboideus (prairie buttercup)
Ratibida pinnata (globular coneflower)
Rhamnus cathartica (common buckthorn)
Rhododendron groenlandicum (Labrador-tea)
Rhus glabra (smooth sumac)
Rhus typhina (staghorn sumac)
Rhynchospora alba (white beak-rush)
Ribes americanum (American black currant)
Ribes cynosbati (dogberry)
Ribes glandulosum (skunk currant)
Ribes hirtellum (hairy-stem gooseberry)
Ribes missouriense (Missouri gooseberry)
Ribes triste (swamp red currant)
Robinia hispida (bristly locust)
Rorippa palustris (bog yellow-cress)
Rosa acicularis subsp. sayi (bristly rose)
Rosa arkansana (dwarf prairie rose)
Rosa blanda (early wild rose)
Rosa carolina (Carolina 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 laciniata (cut-leaved coneflower)
Rudbeckia laciniata var. laciniata (cut-leaved coneflower)
Rumex acetosella (common sheep sorrel)
Rumex altissimus (pale dock)
Rumex britannica (greater water dock)
Rumex obtusifolius (bitter dock)
Sagittaria (Arrowhead)
Sagittaria cristata (crested 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 interior (sandbar willow)
Salix lucida (shining willow)
Salix nigra (black willow)
Salix pedicellaris (bog willow)
Salix sericea (silky willow)
Salsola tragus (prickly Russian thistle)
Sambucus canadensis var. canadensis (American elder)
Sambucus racemosa subsp. pubens var. pubens (red elderberry)
Sanguinaria canadensis (bloodroot)
Sanicula canadensis (Canadian black snakeroot)
Sanicula odorata (clustered black snakeroot)
Saponaria officinalis (bouncing-bet)
Sarracenia purpurea subsp. purpurea (purple pitcher-plant)
Sceptridium dissectum (cut-leaved grape fern)
Sceptridium multifidum (leathery grape fern)
Scheuchzeria palustris (arrow-grass)
Schizachne purpurascens (false melic grass)
Schizachyrium scoparium (broom beard grass)
Schoenoplectus acutus (hard-stem bulrush)
Schoenoplectus acutus var. acutus (hard-stem bulrush)
Schoenoplectus heterochaetus (slender bulrush)
Schoenoplectus pungens (chair-maker's rush)
Schoenoplectus purshianus (Pursh's bulrush)
Schoenoplectus subterminalis (swaying bulrush)
Schoenoplectus tabernaemontani (great bulrush)
Schoenoplectus torreyi (Torrey's bulrush)
Scirpus atrovirens (black bulrush)
Scirpus cyperinus (wool-grass)
Scirpus georgianus (bristleless dark-green bulrush)
Scirpus microcarpus (panicled bulrush)
Scirpus pedicellatus (stalked wool-grass)
Scleranthus annuus (annual knawel)
Scrophularia lanceolata (American figwort)
Scutellaria galericulata (common skullcap)
Scutellaria lateriflora (blue skullcap)
Securigera varia (crown-vetch)
Sedum acre (gold-moss stonecrop)
Selaginella rupestris (dwarf spike-moss)
Setaria faberi (Chinese foxtail)
Setaria italica (foxtail bristle grass)
Setaria pumila (pigeon 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)
Silene nivea (evening campion)
Silene stellata (starry campion)
Sinapis arvensis (California rape)
Sisymbrium altissimum (tall tumble mustard)
Sisyrinchium campestre (prairie blue-eyed-grass)
Sisyrinchium strictum (mountain blue-eyed-grass)
Sium suave (hemlock water-parsnip)
Smilax ecirrhata (upright carrion-flower)
Smilax lasioneura (common carrion flower)
Smilax tamnoides (bristly greenbrier)
Solanum dulcamara (bittersweet nightshade)
Solanum ptychanthum (eastern black nightshade)
Solidago altissima subsp. altissima (Canadian goldenrod)
Solidago canadensis (Canadian goldenrod)
Solidago canadensis var. canadensis (Canadian goldenrod)
Solidago gigantea (giant goldenrod)
Solidago hispida (hairy goldenrod)
Solidago juncea (early goldenrod)
Solidago missouriensis (Missouri goldenrod)
Solidago nemoralis (dyer's-weed goldenrod)
Solidago ptarmicoides (prairie goldenrod)
Solidago rigida (rigid goldenrod)
Solidago speciosa (showy goldenrod)
Solidago uliginosa (northern bog goldenrod)
Sonchus (Sow-Thistle)
Sonchus arvensis (field sow-thistle)
Sonchus arvensis subsp. uliginosus (marsh sow-thistle)
Sorbus aucuparia (Eurasian mountain-ash)
Sorbus decora (northern mountain-ash)
Sorghastrum nutans (yellow Indian grass)
Sparganium americanum (American bur-reed)
Sparganium androcladum (branched bur-reed)
Sparganium emersum (European bur-reed)
Sparganium fluctuans (floating-leaved bur-reed)
Sparganium natans (small bur-reed)
Spartina pectinata (prairie cord grass)
Spergularia rubra (red sand spurry)
Sphenopholis intermedia (slender wedge grass)
Spiraea alba var. alba (white meadowsweet)
Spiraea tomentosa var. rosea (hard-hack)
Spirodela polyrrhiza (giant duckweed)
Sporobolus heterolepis (northern drop-seed)
Sporobolus vaginiflorus var. vaginiflorus (poverty grass)
Stachys palustris (hedge-nettle)
Stachys tenuifolia var. tenuifolia (narrow-leaved hedge-nettle)
Staphylea trifolia (American bladdernut)
Stellaria graminea (common stitchwort)
Stellaria longifolia (long-leaved stitchwort)
Streptopus lanceolatus var. longipes (twisted-stalk)
Stuckenia pectinata (comb pondweed)
Symphoricarpos albus (snowberry)
Symphoricarpos albus var. albus (snowberry)
Symphoricarpos occidentalis (western snowberry)
Symphyotrichum boreale (northern bog aster)
Symphyotrichum ciliolatum (Lindley's aster)
Symphyotrichum cordifolium (common blue heart-leaved aster)
Symphyotrichum ericoides var. ericoides (heath aster)
Symphyotrichum firmum (shining aster)
Symphyotrichum lanceolatum (eastern lined aster)
Symphyotrichum lanceolatum var. hesperium (Western lined aster)
Symphyotrichum lateriflorum (calico aster)
Symphyotrichum novae-angliae (New England aster)
Symphyotrichum oolentangiense (azure aster)
Symphyotrichum pilosum (awl aster)
Symphyotrichum puniceum var. puniceum (bristly aster)
Symphyotrichum sericeum (silky aster)
Symphyotrichum urophyllum (arrow-leaved aster)
Symplocarpus foetidus (skunk-cabbage)
Syringa vulgaris (common lilac)
Taraxacum officinale (common dandelion)
Taxus canadensis (American yew)
Teucrium canadense (American germander)
Teucrium canadense var. occidentale (American germander)
Teucrium canadense var. virginicum (American germander)
Thalictrum dasycarpum (purple meadow-rue)
Thalictrum dioicum (early meadow-rue)
Thalictrum thalictroides (rue-anemone)
Thalictrum venulosum (northern meadow-rue)
Thelypteris palustris var. pubescens (eastern marsh fern)
Thladiantha dubia (Manchu tubergourd)
Thlaspi arvense (field pennycress)
Thuja occidentalis (eastern arborvitae)
Tilia americana var. americana (American basswood)
Torreyochloa fernaldii (Fernald's false manna grass)
Tradescantia occidentalis var. occidentalis (prairie spiderwort)
Tragopogon dubius (fistulous goat's-beard)
Tragopogon pratensis (lesser goat's-beard)
Triadenum fraseri (bog St. John's-wort)
Trichostema brachiatum (false-pennyroyal)
Trientalis borealis (American starflower)
Trifolium arvense (rabbit-foot clover)
Trifolium aureum (golden clover)
Trifolium campestre (field clover)
Trifolium dubium (little hop clover)
Trifolium hybridum (alsike clover)
Trifolium pratense (red clover)
Trifolium repens (white clover)
Trillium cernuum (nodding trillium)
Trillium flexipes (bent trillium)
Turritis glabra (tower mustard)
Typha X glauca (hybrid cat-tail)
Typha angustifolia (narrow-leaved cat-tail)
Typha latifolia (broad-leaved cat-tail)
Ulmus americana (American elm)
Ulmus rubra (red elm)
Ulmus thomasii (rock elm)
Urtica dioica subsp. gracilis (stinging nettle)
Utricularia gibba (creeping bladderwort)
Utricularia intermedia (flat-leaved bladderwort)
Utricularia resupinata (northeastern bladderwort)
Utricularia vulgaris (Common bladderwort)
Uvularia sessilifolia (sessile bellwort)
Vaccinium macrocarpon (cranberry)
Vaccinium oxycoccos (small cranberry)
Vallisneria americana (American eelgrass)
Verbascum thapsus (common mullein)
Verbena hastata (blue vervain)
Verbena stricta (hoary verbena)
Verbena urticifolia (nettle-leaved vervain)
Vernonia fasciculata (common ironweed)
Veronica beccabunga var. americana (American brooklime)
Veronica officinalis (common gypsy-weed)
Veronica peregrina subsp. xalapensis (hairy purslane speedwell)
Veronicastrum virginicum (Culver's-physic)
Viburnum lentago (nannyberry)
Viburnum rafinesquianum (arrow-wood)
Viburnum rafinesquianum var. affine (arrow-wood)
Vicia americana subsp. americana (American vetch)
Vicia sativa subsp. nigra (common vetch)
Viola affinis (Le Conte's violet)
Viola labradorica (alpine violet)
Viola lanceolata var. lanceolata (bog white violet)
Viola macloskeyi subsp. pallens (small white violet)
Viola novae-angliae (New England blue violet)
Viola pubescens (yellow forest violet)
Viola pubescens var. pubescens (downy yellow violet)
Viola renifolia (kidney-leaved violet)
Viola sagittata var. sagittata (arrow-leaved violet)
Viola sororia (door-yard violet)
Viola tricolor (Johnny-jump-up)
Vitis riparia (frost grape)
Wolffia borealis (Northern water-meal)
Wolffia columbiana (common water-meal)
Woodsia ilvensis (rusty cliff fern)
Woodsia obtusa subsp. obtusa (blunt-lobe cliff fern)
Woodsia oregana subsp. cathcartiana (Cathcart's cliff fern)
Xanthium strumarium (common cocklebur)
Zanthoxylum americanum (common prickly-ash)
Zizania palustris (northern wild rice)
Zizia aurea (common golden alexanders)
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