Home » Search: All Plants in Huron/Erie Lake Plains

2372 Plants Found

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Ordered by common name.

Scientific Name	Common Name	†	Map‡
Stachys cordata Riddell	Heartleaf Hedgenettle
Plantago cordata Lam.	heartleaf plantain
Scutellaria ovata Hill	heartleaf skullcap
Salix cordata Michx.	Heartleaf Willow
Carex flacca Schreb.	heath sedge
Veronica officinalis L.	Heath Speedwell
Calystegia sepium (L.) R. Br.	hedge false bindweed
Luzula echinata (Small) F.J. Herm.	hedgehog woodrush
Sisymbrium officinale (L.) Scop.	hedgemustard
Pseudognaphalium helleri (Britton) Anderb.	Heller's cudweed
Dichanthelium oligosanthes (Schult.) Gould	Heller's rosette grass
Sium suave Walter	hemlock waterparsnip
Lamium amplexicaule L.	Henbit Deadnettle
Hepatica nobilis Schreb.	Hepatica
Geum urbanum L.	Herb Bennet
Verbena officinalis L.	herb of the cross
Descurainia sophia (L.) Webb ex Prantl	herb sophia
Selaginella eclipes W.R. Buck	hidden spikemoss
Utricularia geminiscapa Benj.	hiddenfruit bladderwort
Malva sylvestris L.	High Mallow
Vaccinium corymbosum L.	Highbush Blueberry
Quercus ellipsoidalis E.J. Hill	Hill's Oak	✓
Cirsium hillii (Canby) Fernald	Hill's thistle
Carex hitchcockiana Dewey	Hitchcock's sedge
Berteroa incana (L.) DC.	hoary alyssum
Philadelphus pubescens Loisel.	Hoary Mock Orange
Pycnanthemum incanum (L.) Michx.	Hoary Mountainmint
Plantago media L.	hoary plantain
Lithospermum canescens (Michx.) Lehm.	hoary puccoon
Scutellaria incana Biehler	Hoary Skullcap
Desmodium canescens (L.) DC.	hoary ticktrefoil
Verbena stricta Vent.	Hoary Vervain
Solanum physalifolium Rusby	hoe nightshade
Alcea rosea L.	hollyhock
Crataegus holmesiana Ashe	Holmes' Hawthorn
Cryptotaenia canadensis (L.) DC.	Honewort	✓
Gleditsia triacanthos L.	Honeylocust
Cynanchum laeve (Michx.) Pers.	Honeyvine
Sagittaria calycina Engelm.	hooded arrowhead
Corallorhiza striata Lindl.	hooded coralroot
Spiranthes romanzoffiana Cham.	hooded lady's tresses
Setaria verticillata (L.) P. Beauv.	hooked bristlegrass
Viola adunca Sm.	hookedspur violet
Platanthera hookeri (Torr. ex A. Gray) Lindl.	Hooker's orchid
Carex lupulina Muhl. ex Willd.	hop sedge
Utricularia cornuta Michx.	Horned Bladderwort
Zannichellia palustris L.	Horned Pondweed
Aesculus hippocastanum L.	horse chestnut
Baptisia tinctoria (L.) R. Br.	Horseflyweed
Armoracia rusticana G. Gaertn., B. Mey. & Scherb.	Horseradish
Erigeron canadensis L.	Horseweed	✓
Prunus hortulana L.H. Bailey	Hortulan Plum
Cyperus houghtonii Torr.	Houghton's flatsedge
Cynoglossum officinale L.	Houndstongue
Antennaria howellii Greene	Howell's pussytoes
Utricularia gibba L.	Humped Bladderwort
Platanthera huronensis (Nutt.) Lindl.	Huron green orchid
Physalis pubescens L.	Husk Tomato
Hyssopus officinalis L.	hyssop
Lythrum hyssopifolium L.	hyssop loosestrife
Stachys aspera Michx.	Hyssopleaf Hedgenettle
Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald	Illinois Bundleflower
Smilax illinoensis Mangaly	Illinois greenbrier
Crataegus prona Ashe	Illinois Hawthorn
Lechea racemulosa Michx.	Illinois Pinweed
Desmodium illinoense A. Gray	Illinois ticktrefoil
Medeola virginiana L.	Indian cucumber
Eleusine indica (L.) Gaertn.	Indian goosegrass
Lobelia inflata L.	Indian Tobacco
Carex grisea Wahlenb.	inflated narrow-leaf sedge
Ceanothus herbaceus Raf.	Inland New Jersey Tea
Juncus interior Wiegand	inland rush
Carex interior L.H. Bailey	inland sedge
Amelanchier interior E.L. Nielsen	inland serviceberry
Apocynum ×floribundum	Intermediate Dogbane
Dryopteris intermedia (Muhl. ex Willd.) A. Gray	intermediate woodfern
Osmunda claytoniana L.	interrupted fern
Salvia pratensis L.	introduced sage
Lycopodiella inundata (L.) Holub	inundated clubmoss
Anchusa azurea Mill.	Italian Bugloss
Ipomoea hederacea Jacq.	Ivyleaf Morning-Glory
Veronica hederifolia L.	ivyleaf speedwell
Arisaema triphyllum (L.) Schott	Jack in the Pulpit
Pinus banksiana Lamb.	Jack Pine
Tragopogon pratensis L.	Jack-go-to-bed-at-noon
Quercus ×jackiana C.K. Schneid.	Jack's Oak (Hybrid)
Polemonium reptans L.	Jacob's Ladder
Holosteum umbellatum L.	Jagged Chickweed
Carex jamesii Schwein.	James' sedge
Aralia elata (Miq.) Seem.	Japanese Angelica Tree
Berberis thunbergii DC.	Japanese barberry
Lonicera japonica Thunb.	Japanese Honeysuckle	✓
Humulus japonicus Siebold & Zucc.	Japanese Hop	✓
Spiraea japonica L. f.	Japanese meadowsweet
Pachysandra terminalis Siebold & Zucc.	Japanese Pachysandra
Sagina japonica (Sw.) Ohwi	Japanese pearlwort
Viburnum plicatum Thunb.	Japanese snowball
Microstegium vimineum (Trin.) A. Camus	Japanese Stiltgrass
Helianthus tuberosus L.	Jerusalem Artichoke
Dysphania botrys (L.) Mosyakin & Clemants	Jerusalem Oak Goosefoot
Crataegus jesupii Sarg.	Jesup's hawthorn
Impatiens capensis Meerb.	Jewelweed
Datura stramonium L.	Jimsonweed
Viola tricolor L.	johnny jumpup
Sorghum halepense (L.) Pers.	Johnsongrass
Aegilops cylindrica Host	Jointed Goatgrass
Eleocharis equisetoides (Elliott) Torr.	jointed spikesedge
Juncus articulatus L.	jointleaf rush
Amaranthus tricolor L.	Joseph's-Coat
Persicaria virginiana L.	Jumpseed
Hypericum kalmianum L.	Kalm's St. Johnswort
Crataegus coccinioides Ashe	Kansas Hawthorn
Cymbalaria muralis G. Gaertn., B. Mey. & Scherb.	Kenilworth Ivy
Gymnocladus dioicus (L.) K. Koch	Kentucky Coffeetree
Phaseolus vulgaris L.	kidney bean
Thalictrum pubescens Pursh	King of the Meadow
Arctostaphylos uva-ursi (L.) Spreng.	Kinnikinnick
Salvia officinalis L.	kitchen sage
Carex retrorsa Schwein.	knotsheath sedge
Torilis nodosa (L.) Gaertn.	knotted hedgeparsley
Juncus nodosus L.	knotted rush
Kummerowia stipulacea (Maxim.) Makino	Korean Clover
Ranunculus rhomboideus Goldie	Labrador Buttercup
Eragrostis capillaris (L.) Nees	Lace Lovegrass
Isoetes lacustris L.	lake quillwort
Rorippa aquatica (Eaton) E.J.Palmer & Steyerm.	Lakecress
Rhamnus lanceolata Pursh	lanceleaf buckthorn
Scrophularia lanceolata Pursh	lanceleaf figwort
Phyla lanceolata (Michx.) Greene	Lanceleaf Fogfruit
Botrychium lanceolatum (S.G. Gmel.) Angstr.	lanceleaf grapefern
Lysimachia lanceolata Walter	Lanceleaf Loosestrife
Salvia reflexa Hornem.	Lanceleaf Sage
Coreopsis lanceolata L.	Lanceleaf Tickseed
Galium lanceolatum Torr.	lanceleaf wild licorice
Vaccinium macrocarpon Aiton	Large Cranberry
Salix atrocinerea Brot.	large gray willow
Salix cinerea L.	Large Gray Willow
Hypericum majus (A. Gray) Britton	large St. Johnswort
Cardamine maxima (Nutt.) Alph. Wood	large toothwort
Isotria verticillata Raf.	large whorled pogonia
Lysimachia punctata L.	large yellow loosestrife
Penstemon bradburyi Pursh	Large-flowered Beardtongue
Camelina sativa (L.) Crantz	Large-seeded False Flax
Populus grandidentata Michx.	Large-tooth Aspen
Desmodium cuspidatum (Muhl. ex Willd.) DC. ex D. Don	Largebract Ticktrefoil
Plantago aristata Michx.	Largebracted Plantain
Uvularia grandiflora Sm.	largeflower bellwort
Coreopsis grandiflora Hogg ex Sweet	Largeflower Tickseed
Valeriana pauciflora Michx.	largeflower valerian
Sanicula trifoliata E.P. Bicknell	Largefruit Blacksnakeroot
Potamogeton amplifolius Tuck.	largeleaf pondweed
Hydrophyllum macrophyllum Nutt.	Largeleaf Waterleaf
Lechea intermedia Leggett ex Britton	largepod pinweed
Myosotis macrosperma Engelm.	largeseed forget-me-not
Eupatorium serotinum Michx.	Late Boneset	✓
Utricularia resupinata B.D. Greene ex Bigelow	lavender bladderwort
Bellis perennis L.	lawndaisy
Amorpha canescens Pursh	Lead Plant
Scirpus polyphyllus Vahl	Leafy Bulrush
Potamogeton foliosus Raf.	Leafy Pondweed
Lemna minuta Kunth	Least Duckweed
Chamaedaphne calyculata (L.) Moench	Leatherleaf
Polygonum achoreum S.F. Blake	leathery knotweed
Carex leavenworthii Dewey	Leavenworth's sedge
Lechea pulchella Raf.	Leggett's pinweed
Dichanthelium leibergii (Vasey) Freckmann	Leiberg's panicum
Melissa officinalis L.	Lemon Balm
Thymus pulegioides L.	lemon thyme
Heterotheca camporum (Greene) Shinners	Lemonyellow False Goldenaster
Vicia tetrasperma (L.) Schreb.	lentil vetch
Lespedeza ×acuticarpa Mack. & Bush	Lespedeza
Cardiospermum halicacabum L.	Lesser Balloon Vine
Utricularia minor L.	lesser bladderwort
Arctium minus Bernh.	Lesser Burdock
Hypericum canadense L.	lesser Canadian St. Johnswort
Ranunculus ficaria L.	Lesser Celandine
Gentianopsis virgata (Raf.) Holub	lesser fringed gentian
Centaurea nigra L.	lesser knapweed
Carex diandra Schrank	lesser panicled sedge
Platanthera psycodes (L.) Lindl.	Lesser Purple Fringed Orchid
Goodyera repens (L.) R. Br.	Lesser Rattlesnake Plantain
Platanthera orbiculata (Pursh) Lindl.	lesser roundleaved orchid
Cypripedium parviflorum Salisb.	Lesser Yellow Lady's Slipper
Linum lewisii Pursh	Lewis flax
Valerianella locusta (L.) Lat.	Lewiston cornsalad
Galium circaezans Michx.	licorice bedstraw
Lonicera dioica L.	Limber Honeysuckle
Cardamine douglassii Britton	limestone bittercress
Clinopodium arkansanum (Nutt.) House	limestone calamint
Carex granularis Muhl. ex Willd.	limestone meadow sedge
Galium brevipes Fernald & Wiegand	limestone swamp bedstraw
Ruellia strepens L.	limestone wild petunia
Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve	Lindley's aster
Misopates orontium (L.) Raf.	linearleaf snapdragon
Chaiturus marrubiastrum (L.) Rchb.	Lion's Tail
Hordeum pusillum Nutt.	Little Barley
Schizachyrium scoparium (Michx.) Nash	Little Bluestem
Oenothera perennis L.	Little Evening Primrose
Botrychium simplex E. Hitchc.	little grapefern
Carex viridula Michx.	little green sedge
Spiranthes tuberosa Raf.	little lady's tresses
Eragrostis minor Host	little lovegrass
Trillium cuneatum Raf.	Little Sweet Betsy
Tilia cordata Mill.	Littleleaf Linden
Camelina microcarpa Andrz. ex DC.	littlepod false flax
Pyrola asarifolia Michx.	Liverleaf Wintergreen
Carex livida (Wahlenb.) Willd.	livid sedge
Saururus cernuus L.	Lizard's Tail
Populus nigra L.	Lombardy poplar
Sisymbrium irio L.	London rocket
Phegopteris connectilis (Michx.) Watt	long beechfern
Roemeria argemone (L.) C.Morales, R.Mend. & Romero García	Long Pricklyhead Poppy
Carex inops L.H. Bailey	Long-stolon Sedge
Carex longii Mack.	Long's sedge
Rhynchospora scirpoides (Torr.) A. Gray	longbeak beaksedge
Ranunculus longirostris Godr.	Longbeak Buttercup
Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase	Longbract Frog Orchid
Crocanthemum canadense (L.) Britton	Longbranch Frostweed
Oenothera filiformis (Small) W.L. Wagner & Hoch	Longflower Beeblossom
Carex comosa Boott	longhair sedge
Symphyotrichum robynsianum (Rouss.) L. Brouillet & Labrecque	longleaf aster
Physalis longifolia Nutt.	Longleaf Groundcherry
Asclepias longifolia Michx.	longleaf milkweed
Potamogeton nodosus Poir.	longleaf pondweed
Stellaria longifolia Muhl. ex Willd.	longleaf starwort
Houstonia longifolia Gaertn.	longleaf summer bluet
Penstemon calycosus Small	Longsepal Beardtongue
Viola rostrata Pursh	longspur violet
Geranium columbinum L.	longstalk cranesbill
Carex pedunculata Muhl. ex Willd.	longstalk sedge
Osmorhiza longistylis (Torr.) DC.	longstyle sweetroot
Apera spica-venti (L.) P. Beauv.	loose silkybent
Cynanchum louiseae Kartesz & Gandhi	Louise's swallow-wort
Gypsophila muralis L.	Low Baby's-Breath
Calystegia spithamaea (L.) Pursh	low false bindweed
Malva pusilla Sm.	Low Mallow
Scleria verticillata Muhl. ex Willd.	low nutrush
Vaccinium angustifolium Aiton	Lowbush Blueberry
Cystopteris protrusa (Weath.) Blasdell	lowland bladderfern
Rotala ramosior (L.) Koehne	lowland rotala
Lysimachia hybrida Michx.	Lowland Yellow Loosestrife
Rubus roribaccus (L.H. Bailey) Rydb.	Lucretia Dewberry
Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz	Lyrate Rockcress
Pseudognaphalium macounii (Greene) Kartesz	Macoun's cudweed
Calystegia macounii (Greene) Brummitt	Macoun's False Bindweed
Euphorbia helioscopia L.	madwoman's milk
Dianthus deltoides L.	maiden pink
Asplenium trichomanes L.	maidenhair spleenwort
Silene vulgaris (Moench) Garcke	maidenstears
Diplachne fusca (L.) P.Beauv. ex Roem. & Schult.	Malabar Sprangletop
Ipomoea pandurata (L.) G. Mey.	man of the earth
Thladiantha dubia Bunge	Manchu tubergourd
Lepidium ramosissimum A. Nelson	manybranched pepperweed
Hydrocotyle umbellata L.	manyflower marshpennywort
Ludwigia polycarpa Short & Peter	Manyfruit Primrose-willow
Chenopodiastrum simplex (Torr.) S.Fuentes, Uotila & Borsch	Mapleleaf Goosefoot
Viburnum acerifolium L.	Mapleleaf Viburnum
Dryopteris marginalis (L.) A. Gray	marginal woodfern
Cannabis sativa L.	Marijuana
Campanula aparinoides Pursh	marsh bellflower
Viola cucullata Aiton	Marsh Blue Violet
Gnaphalium uliginosum L.	marsh cudweed
Taraxacum palustre (Lyons) Symons	marsh dandelion
Equisetum palustre L.	marsh horsetail
Proserpinaca palustris L.	marsh mermaidweed
Lathyrus palustris L.	marsh pea
Ludwigia palustris (L.) Elliott	marsh seedbox
Scutellaria galericulata L.	marsh skullcap
Cirsium palustre (L.) Scop.	marsh thistle
Lilium martagon L.	Martagon Lily
Hieracium traillii Greene	Maryland Hawkweed
Sanicula marilandica L.	Maryland Sanicle
Amaranthus blitoides S. Watson	Mat Amaranth
Muhlenbergia richardsonis (Trin.) Rydb.	mat muhly
Cenchrus longispinus (Hack.) Fernald	Mat Sandbur
Botrychium matricariifolium (A. Braun ex Dowell) A. Braun ex W.D.J. Koch	matricary grapefern
Lycium barbarum L.	matrimony vine
Eleocharis intermedia Schult.	matted spikerush
Chaenomeles japonica (Thunb.) Lindl. ex Spach	Maule's quince
Helianthus maximiliani Schrad.	Maximilian Sunflower
Podophyllum peltatum L.	Mayapple	✓
Carex meadii Dewey	Mead's sedge
Oenothera pilosella Raf.	Meadow Evening Primrose
Schedonorus pratensis (Huds.) P. Beauv.	meadow fescue
Alopecurus pratensis L.	meadow foxtail
Allium canadense L.	Meadow Garlic
Geranium pratense L.	meadow geranium
Hieracium caespitosum Dumort.	meadow hawkweed
Equisetum pratense Ehrh.	meadow horsetail
Thaspium trifoliatum (L.) A. Gray	Meadow Parsnip
Lathyrus pratensis L.	meadow pea
Selaginella apoda (L.) Spring	meadow spikemoss
Salix petiolaris Sm.	meadow willow
Lepidium alyssoides A. Gray	mesa pepperwort
Physalis philadelphica Lam.	Mexican Groundcherry
Azolla microphylla Kaulf.	Mexican Mosquito Fern
Muhlenbergia mexicana (L.) Trin.	Mexican Muhly
Argemone mexicana L.	Mexican Pricklypoppy
Dysphania ambrosioides (L.) Mosyakin & Clemants	Mexican Tea
Phacelia purshii Buckley	Miami Mist
Minuartia michauxii (Fenzl) Farw.	Michaux's stitchwort
Rubus michiganensis (Card ex L.H. Bailey) L.H. Bailey	Michigan Dewberry
Lilium michiganense Farw.	Michigan lily
Carex mesochorea Mack.	Midland Sedge
Lemna perpusilla Torr.	minute duckweed
Mazus miquelii Makino	Miquel's mazus
Rubus missouricus L.H. Bailey	Missouri Dewberry
Ribes missouriense Nutt.	Missouri Gooseberry
Cucurbita foetidissima Kunth	Missouri Gourd
Vernonia missurica Raf.	Missouri Ironweed
Salix eriocephala Michx.	Missouri River Willow
Cypripedium acaule Aiton	Moccasin Flower
Carya tomentosa (Lam.) Nutt.	Mockernut Hickory
Lunaria annua L.	Money Plant	✓
Ampelopsis aconitifolia Bunge	Monkshoodvine
Lonicera morrowii A. Gray	Morrow's Honeysuckle
Scirpus hattorianus Makino	mosquito bulrush
Phlox subulata L.	Moss Phlox
Verbascum blattaria L.	Moth Mullein
Anticlea elegans (Pursh) Rydb.	Mountain Deathcamas
Lonicera villosa (Michx.) Schult.	mountain fly honeysuckle
Acer spicatum Lam.	Mountain Maple
Lepidium montanum Nutt.	mountain pepperweed
Piptatheropsis pungens "(Torr.) Romasch.	mountain ricegrass
Madia glomerata Hook.	mountain tarweed
Valeriana uliginosa (Torr. & A. Gray) Rydb.	mountain valerian
Arabidopsis thaliana (L.) Heynh.	mouseear cress
Carex limosa L.	mud sedge
Carex muehlenbergii Schkuhr ex Willd.	Muhlenberg's sedge
Dasistoma macrophylla (Nutt.) Raf.	Mullein Foxglove
Rosa multiflora Thunb.	Multiflora Rose
Betula ×murrayana B.V.Barnes & Dancik B.V. Barnes & Dancik	Murray's Birch
Malva moschata L.	Musk Mallow
Carex muskingumensis Schwein.	Muskingum Sedge
Mitella nuda L.	naked miterwort
Hylodesmum nudiflorum (L.) H.Ohashi & R.R.Mill	Nakedflower Ticktrefoil
Prunus tomentosa Thunb.	Nanking cherry
Viburnum lentago L.	Nannyberry
Claytonia virginica L.	Narrow-leaved Spring Beauty
Cardamine impatiens L.	narrowleaf bittercress
Sisyrinchium angustifolium Mill.	narrowleaf blue-eyed grass
Sparganium angustifolium Michx.	narrowleaf bur-reed
Typha angustifolia L.	narrowleaf cattail
Melampyrum lineare Desr.	narrowleaf cowwheat
Oenothera fruticosa L.	Narrowleaf Evening Primrose
Chenopodium leptophyllum (Moq.) Nutt. ex S. Watson	Narrowleaf Goosefoot
Crepis tectorum L.	narrowleaf hawksbeard
Pycnanthemum tenuifolium Schrad.	narrowleaf mountainmint
Leucospora multifida (Michx.) Nutt.	Narrowleaf Paleseed
Lechea tenuifolia Michx.	narrowleaf pinweed
Plantago lanceolata L.	Narrowleaf Plantain
Potamogeton strictifolius Benn.	narrowleaf pondweed
Lithospermum incisum Lehm.	narrowleaf stoneseed
Verbena simplex Lehm.	Narrowleaf Vervain
Juncus brevicaudatus (Engelm.) Fernald	narrowpanicle rush
Valerianella umbilicata (Sull.) Alph. Wood	navel cornsalad
Carex projecta Mack.	necklace sedge
Carex ormostachya Wiegand	necklace spike sedge
Veronica peregrina L.	neckweed
Rhynchospora capillacea Torr.	needle beaksedge
Eleocharis acicularis (L.) Roem. & Schult.	needle spikerush
Hesperostipa comata (Trin. & Rupr.) Barkworth	Needle-and-Thread Grass
Juncus scirpoides Lam.	needlepod rush
Sisyrinchium mucronatum Michx.	needletip blue-eyed grass
Carex leptonervia (Fernald) Fernald	nerveless woodland sedge
Woodwardia areolata (L.) T. Moore	netted chainfern
Symphyotrichum novae-angliae (L.) G.L. Nesom	New England Aster	✓
Ceanothus americanus L.	New Jersey tea
Parathelypteris noveboracensis (L.) Ching	New York Fern
Silene noctiflora L.	nightflowering silene
Muhlenbergia schreberi J.F. Gmel.	Nimblewill
Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray	nits and lice
Bidens cernua L.	Nodding Beggartick
Cerastium nutans Raf.	nodding chickweed
Oenothera nutans Atk. & Bartlett	nodding evening primrose
Festuca subverticillata (Pers.) Alexeev	nodding fescue
Spiranthes cernua (L.) Rich.	nodding lady's tresses
Allium cernuum Roth	Nodding Onion
Carduus nutans L.	nodding plumeless thistle
Nabalus crepidineus (Michx.) DC.	Nodding Rattlesnakeroot
Carex gynandra Schwein.	nodding sedge
Trillium flexipes Raf.	nodding wakerobin
Najas flexilis (Willd.) Rostk. & Schmidt	Nodding Waternymph
Ventenata dubia (Leers) Coss.	North Africa grass
Carex cryptolepis Mack.	northeastern sedge
Ophioglossum pusillum Raf.	northern adderstongue
Morella pensylvanica (Mirb.) Kartesz	Northern Bayberry
Galium boreale L.	northern bedstraw
Iris versicolor L.	Northern Blue Flag
Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve	northern bog aster
Galium labradoricum (Wiegand) Wiegand	northern bog bedstraw
Lycopodiella subappressa J.G. Bruce, W.H. Wagner & Beitel	Northern Bog Clubmoss
Viola nephrophylla Greene	northern bog violet
Lycopus uniflorus Michx.	Northern Bugleweed
Diervilla lonicera Mill.	northern bush honeysuckle
Catalpa speciosa (Warder) Warder ex Engelm.	Northern Catalpa
Rubus flagellaris Willd.	Northern Dewberry
Oenothera parviflora L.	northern evening primrose
Platanthera aquilonis Sheviak	northern green orchid
Juncus alpinoarticulatus Chaix	northern green rush
Crataegus dissona Sarg.	northern hawthorn
Carex folliculata L.	northern long sedge
Adiantum pedatum L.	Northern Maidenhair Fern
Sorbus decora (Sarg.) C.K. Schneid.	northern mountain ash
Dichanthelium boreale (Nash) Freckmann	northern panicgrass
Quercus rubra L.	Northern Red Oak	✓
Brachyelytrum aristosum (Michx.) Trel.	northern shorthusk
Spiranthes lacera (Raf.) Raf.	Northern Slender Lady's Tresses
Lindera benzoin (L.) Blume	Northern Spicebush	✓
Claytonia caroliniana Michx.	Northern Spring Beauty
Hypericum boreale (Britton) E.P. Bicknell	Northern St. Johnswort
Hierochloe hirta (Schrank) Borbás	Northern Sweetgrass
Alisma triviale Pursh	Northern Water Plantain
Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi	northern watermeal
Thuja occidentalis L.	Northern White-Cedar	✓
Zizania palustris L.	Northern Wildrice
Viola septentrionalis Greene	Northern Woodland Violet
Carex utriculata Boott	Northwest Territory sedge
Acer platanoides L.	Norway Maple	✓
Picea abies (L.) Karst.	Norway Spruce	✓
Potentilla norvegica L.	Norwegian cinquefoil
Bromus nottowayanus Fernald	Nottoway Valley brome
Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult.	Oakes' Evening Primrose
Physostegia virginiana (L.) Benth.	obedient plant
Diarrhena obovata (Gleason) Brandenburg	Obovate Beakgrain
Spiranthes ovalis Lindl.	October lady's tresses
Aesculus glabra Willd.	Ohio Buckeye
Oligoneuron ohioense (Frank ex Riddell) G.N. Jones	Ohio goldenrod
Rubus alumnus L.H. Bailey	oldfield blackberry
Poa saltuensis Fernald & Wiegand	oldpasture bluegrass
Artemisia stelleriana Besser	oldwoman
Lycopodium lagopus (Laest. ex Hartm.) Zinserl. ex Kuzen	one-cone clubmoss
Orobanche uniflora L.	oneflowered broomrape
Nasturtium microphyllum Boenn. ex Rchb.	onerow yellowcress
Sicyos angulatus L.	Oneseed Bur Cucumber
Crataegus monogyna Jacq.	oneseed hawthorn
Liatris cylindracea Michx.	Ontario blazing star
Crataegus nitidula Sarg.	Ontario Hawthorn
Lobelia kalmii L.	Ontario lobelia
Carex conoidea Schkuhr ex Willd.	openfield sedge
Papaver somniferum L.	opium poppy
Rudbeckia fulgida Aiton	Orange Coneflower
Hemerocallis fulva (L.) L.	orange daylily
Verbascum phlomoides L.	orange mullein
Triosteum aurantiacum E.P. Bicknell	Orangefruit Horse-gentian
Hypericum gentianoides "(L.) Britton	orangegrass
Dactylis glomerata L.	Orchard Grass
Origanum vulgare L.	Oregano
Berberis aquifolium Pursh	Oregon Grape
Celastrus orbiculatus Thunb.	Oriental Bittersweet
Persicaria longiseta	Oriental Lady's Thumb
Papaver orientale L.	Oriental poppy
Impatiens glandulifera Royle	ornamental jewelweed
Maclura pomifera (Raf.) C.K. Schneid.	Osage-orange	✓
Matteuccia struthiopteris (L.) Todaro	Ostrich Fern
Carex cephalophora Muhl. ex Willd.	Oval-Headed Sedge
Leucanthemum vulgare Lam.	oxeye daisy
Trillium undulatum Willd.	painted trillium
Penstemon pallidus Small	Pale Beardtongue
Botrychium pallidum W.H. Wagner	pale botrychium
Rumex altissimus Alph. Wood	pale dock
Torreyochloa pallida (Torr.) Church	Pale False Mannagrass
Arnoglossum atriplicifolium (L.) H. Rob.	Pale Indian Plantain
Alyssum alyssoides (L.) L.	pale madwort
Echinacea pallida (Nutt.) Nutt.	Pale Purple Coneflower
Carex pallescens L.	pale sedge
Persicaria lapathifolia (L.) Delarbre	Pale Smartweed
Impatiens pallida Nutt.	Pale Touch-Me-Not
Platanthera flava (L.) Lindl.	palegreen orchid
Helianthus strumosus L.	paleleaf woodland sunflower
Lobelia spicata Lam.	Palespike Lobelia
Scirpus microcarpus J. Presl & C. Presl	panicled bulrush
Desmodium paniculatum (L.) DC.	panicledleaf ticktrefoil
Betula papyrifera Marshall	Paper Birch	✓
Malus pumila Mill.	paradise apple
Carex umbellata Schkuhr ex Willd.	Parasol Sedge
Doellingeria umbellata (Mill.) Nees	parasol whitetop
Antennaria parlinii Fernald	Parlin's pussytoes
Chamaecrista fasciculata (Michx.) Greene	Partridge Pea	✓
Mitchella repens L.	Partridgeberry	✓
Asimina triloba (L.) Dunal	Pawpaw
Prunus persica (L.) Batsch	Peach
Salix amygdaloides Andersson	peachleaf willow
Arachis hypogaea L.	peanut
Crataegus calpodendron (Ehrh.) Medik.	pear hawthorn
Carex peckii Howe	Peck's sedge
Cardamine pensylvanica Muhl. ex Willd.	Pennsylvania bittercress
Rubus pensilvanicus Poir.	Pennsylvania Blackberry
Ranunculus pensylvanicus L. f.	Pennsylvania buttercup
Lycopodium hickeyi (Beitel & R.C.Moran) W.H.Wagner, Beitel & R.C.Moran	Pennsylvania Clubmoss
Parietaria pensylvanica Muhl. ex Willd.	Pennsylvania Pellitory
Carex pensylvanica Lam.	Pennsylvania sedge
Polygonum pensylvanicum L.	Pennsylvania Smartweed
Mentha ×piperita	Peppermint
Lathyrus latifolius L.	perennial pea
Briza media L.	perennial quakinggrass
Lolium perenne L.	Perennial Ryegrass
Diplotaxis tenuifolia (L.) DC.	perennial wallrocket
Desmodium perplexum B.G. Schub.	perplexed ticktrefoil
Euphorbia peplus L.	petty spurge

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