Home » Search: All Plants in Northern Allegheny Plateau

2501 Plants Found

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Ordered by common name.

Scientific Name	Common Name	†	Map‡
Digitaria sanguinalis (L.) Scop.	hairy crabgrass
Oenothera villosa Thunb.	Hairy Evening Primrose
Paronychia fastigiata (Raf.) Fernald	hairy forked nailwort
Solidago hispida Muhl. ex Willd.	hairy goldenrod
Lonicera hirsuta Eaton	hairy honeysuckle
Alchemilla monticola Opiz	hairy lady's mantle
Smallanthus uvedalia (L.) Mack. ex Small	Hairy Leafcup
Lespedeza hirta (L.) Hornem.	hairy lespedeza
Lactuca hirsuta Muhl. ex Nutt.	Hairy Lettuce
Blephilia hirsuta (Pursh) Benth.	Hairy Pagoda-plant
Lechea mucronata Raf.	hairy pinweed
Carex lacustris Willd.	Hairy Sedge
Desmodium ciliare (Muhl. ex Willd.) DC.	hairy small-leaf ticktrefoil
Polygonatum pubescens (Willd.) Pursh	hairy Solomon's seal
Helianthus hirsutus Raf.	hairy sunflower
Symphyotrichum pilosum (Willd.) G.L. Nesom	Hairy White Oldfield Aster
Epilobium hirsutum L.	Hairy Willowherb
Bromus pubescens Muhl. ex Willd.	Hairy Woodland Brome
Luzula acuminata Raf.	hairy woodrush
Thaspium barbinode (Michx.) Nutt.	Hairy-jointed Medow-Parsnip
Carex trichocarpa Muhl. ex Willd.	hairyfruit sedge
Ribes hirtellum Michx.	hairystem gooseberry
Persicaria arifolia (L.) Haraldson	Halberdleaf Tearthumb
Rubus russeus L.H. Bailey	Halifax Blackberry
Carex hirta L.	hammer sedge
Rhexia virginica L.	handsome Harry
Carex formosa Dewey	handsome sedge
Erigenia bulbosa (Michx.) Nutt.	harbinger of spring
Festuca trachyphylla Tracey	Hard Fescue
Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve	Hardstem Bulrush
Conringia orientalis (L.) Dumort.	hare's ear mustard
Asplenium scolopendrium L.	Hart's Tonguefern
Gentiana saponaria L.	Harvestbells
Agrimonia parviflora Aiton	Harvestlice
Picris hieracioides L.	Hawkweed Oxtongue
Carex argyrantha Tuck.	hay sedge
Carex haydenii Dewey	Hayden's sedge
Alnus serrulata (Aiton) Willd.	Hazel Alder
Cuscuta coryli Engelm.	hazel dodder
Zizia aptera (A. Gray) Fernald	Heart-Leaf Golden Alexander
Tiarella cordifolia L.	heartleaf foamflower
Mirabilis nyctaginea (Michx.) MacMill.	Heartleaf Four O'Clock
Stachys cordata Riddell	Heartleaf Hedgenettle
Plantago cordata Lam.	heartleaf plantain
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
Descurainia sophia (L.) Webb ex Prantl	herb sophia
Ptilimnium capillaceum (Michx.) Raf.	herbwilliam
Selaginella eclipes W.R. Buck	hidden spikemoss
Utricularia geminiscapa Benj.	hiddenfruit bladderwort
Malva sylvestris L.	High Mallow
Vaccinium corymbosum L.	Highbush Blueberry
Potamogeton hillii Morong	Hill's pondweed
Carex hitchcockiana Dewey	Hitchcock's sedge
Berteroa incana (L.) DC.	hoary alyssum
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
Viburnum lantanoides Michx.	Hobblebush
Solanum physalifolium Rusby	hoe nightshade
Croton capitatus Michx.	Hogwort
Alcea rosea L.	hollyhock
Crataegus holmesiana Ashe	Holmes' Hawthorn
Cryptotaenia canadensis (L.) DC.	Honewort	✓
Gleditsia triacanthos L.	Honeylocust
Cynanchum laeve (Michx.) Pers.	Honeyvine
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
Podostemum ceratophyllum Michx.	Hornleaf Riverweed
Aesculus hippocastanum L.	horse chestnut
Baptisia tinctoria (L.) R. Br.	Horseflyweed
Armoracia rusticana G. Gaertn., B. Mey. & Scherb.	Horseradish
Conyza canadensis (L.) Cronquist	Horseweed	✓
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
Stachys hyssopifolia Michx.	hyssopleaf hedgenettle
Geranium ibericum Cav.	Iberian Geranium
Crataegus prona Ashe	Illinois Hawthorn
Lechea racemulosa Michx.	Illinois Pinweed
Medeola virginiana L.	Indian cucumber
Eleusine indica (L.) Gaertn.	Indian goosegrass
Sisymbrium orientale L.	Indian hedgemustard
Dipsacus sativus (L.) Honck.	Indian teasel
Lobelia inflata L.	Indian Tobacco
Carex grisea Wahlenb.	inflated narrow-leaf sedge
Ilex glabra (L.) A. Gray	Inkberry
Ceanothus herbaceus Raf.	Inland New Jersey Tea
Carex interior L.H. Bailey	inland sedge
Apocynum ×floribundum	Intermediate Dogbane
Nuphar ×rubrodisca Morong	Intermediate Pond-Lily
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
Botrychium campestre W.H. Wagner & Farrar	Iowa moonwort
Anchusa azurea Mill.	Italian Bugloss
Clematis viticella L.	Italian Leather Flower
Lonicera caprifolium L.	Italian woodbine
Rubus ithacanus L.H. Bailey	Ithaca blackberry
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
Polemonium reptans L.	Jacob's Ladder
Carex jamesii Schwein.	James' sedge
Aralia elata (Miq.) Seem.	Japanese Angelica Tree
Berberis thunbergii DC.	Japanese barberry
Parthenocissus tricuspidata (Siebold & Zucc.) Planch.	Japanese Creeper
Lonicera japonica Thunb.	Japanese Honeysuckle	✓
Humulus japonicus Siebold & Zucc.	Japanese Hop	✓
Acer palmatum Thunb.	Japanese Maple
Mazus pumilus (Burm. f.) Steenis	Japanese mazus
Spiraea japonica L. f.	Japanese meadowsweet
Sagina japonica (Sw.) Ohwi	Japanese pearlwort
Primula japonica A. Gray	Japanese primrose
Viburnum plicatum Thunb.	Japanese snowball
Microstegium vimineum (Trin.) A. Camus	Japanese Stiltgrass
Taxus cuspidata Siebold & Zucc.	Japanese Yew
Helianthus tuberosus L.	Jerusalem Artichoke
Dysphania botrys (L.) Mosyakin & Clemants	Jerusalem Oak Goosefoot
Crataegus jesupii Sarg.	Jesup's hawthorn
Primula fassettii A.R.Mast & Reveal	Jeweled Shootingstar
Impatiens capensis Meerb.	Jewelweed
Datura stramonium L.	Jimsonweed
Viola tricolor L.	johnny jumpup
Sorghum halepense (L.) Pers.	Johnsongrass
Aegilops cylindrica Host	Jointed Goatgrass
Juncus articulatus L.	jointleaf rush
Persicaria virginiana L.	Jumpseed
Hypericum kalmianum L.	Kalm's St. Johnswort
Cymbalaria muralis G. Gaertn., B. Mey. & Scherb.	Kenilworth Ivy
Gymnocladus dioicus (L.) K. Koch	Kentucky Coffeetree
Cladrastis kentukea (Dum. Cours.) Rudd	Kentucky Yellowwood
Thalictrum pubescens Pursh	King of the Meadow
Rubus multifer L.H. Bailey	kinnickinnick dewberry
Arctostaphylos uva-ursi (L.) Spreng.	Kinnikinnick
Salvia officinalis L.	kitchen sage
Rubus bellobatus L.H. Bailey	Kittatinny Blackberry
Carex retrorsa Schwein.	knotsheath sedge
Juncus nodosus L.	knotted rush
Kummerowia stipulacea (Maxim.) Makino	Korean Clover
Zoysia japonica Steud.	Korean lawngrass
Eragrostis capillaris (L.) Nees	Lace Lovegrass
Isoetes lacustris L.	lake quillwort
Rorippa aquatica (Eaton) E.J.Palmer & Steyerm.	Lakecress
Scrophularia lanceolata Pursh	lanceleaf figwort
Phyla lanceolata (Michx.) Greene	Lanceleaf Fogfruit
Botrychium lanceolatum (S.G. Gmel.) Angstr.	lanceleaf grapefern
Coreopsis lanceolata L.	Lanceleaf Tickseed
Galium lanceolatum Torr.	lanceleaf wild licorice
Vaccinium macrocarpon Aiton	Large Cranberry
Hypericum majus (A. Gray) Britton	large St. Johnswort
Cardamine maxima (Nutt.) Alph. Wood	large toothwort
Petunia axillaris "(Lam.) Britton	large white petunia
Isotria verticillata Raf.	large whorled pogonia
Lysimachia punctata L.	large yellow loosestrife
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
Oenothera grandiflora L'Hér. ex Aiton	largeflower evening primrose
Coreopsis grandiflora Hogg ex Sweet	Largeflower Tickseed
Sanicula trifoliata E.P. Bicknell	Largefruit Blacksnakeroot
Geum macrophyllum Willd.	largeleaf avens
Solidago macrophylla Pursh	largeleaf goldenrod
Potamogeton amplifolius Tuck.	largeleaf pondweed
Lechea intermedia Leggett ex Britton	largepod pinweed
Eupatorium serotinum Michx.	Late Boneset	✓
Symphyotrichum patens (Aiton) G.L. Nesom	Late Purple Aster
Bellis perennis L.	lawndaisy
Scirpus polyphyllus Vahl	Leafy Bulrush
Potamogeton foliosus Raf.	Leafy Pondweed
Chamaedaphne calyculata (L.) Moench	Leatherleaf
Polygonum achoreum S.F. Blake	leathery knotweed
Carex leavenworthii Dewey	Leavenworth's sedge
Rhodiola integrifolia Raf.	ledge stonecrop
Lechea pulchella Raf.	Leggett's pinweed
Dichanthelium leibergii (Vasey) Freckmann	Leiberg's panicum
Melissa officinalis L.	Lemon Balm
Thymus pulegioides L.	lemon thyme
Lens culinaris Medik.	lentil
Vicia tetrasperma (L.) Schreb.	lentil vetch
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
Ageratina aromatica (L.) Spach	Lesser Snakeroot
Cypripedium parviflorum Salisb.	Lesser Yellow Lady's Slipper
Valerianella locusta (L.) Lat.	Lewiston cornsalad
Galium circaezans Michx.	licorice bedstraw
Astragalus glycyphyllos L.	Licorice Milkvetch
Salvia verticillata L.	lilac sage
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
Glyceria laxa (Scribn.) Scribn.	limp mannagrass
Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve	Lindley's aster
Carex striatula Michx.	lined sedge
Chaiturus marrubiastrum (L.) Rchb.	Lion's Tail
Hordeum pusillum Nutt.	Little Barley
Schizachyrium scoparium (Michx.) Nash	Little Bluestem
Oenothera perennis L.	Little Evening Primrose
Utricularia radiata Small	little floating bladderwort
Botrychium simplex E. Hitchc.	little grapefern
Carex viridula Michx.	little green sedge
Eragrostis minor Host	little lovegrass
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
Dryopteris celsa "(Wm. Palmer) Knowlt.	log fern
Populus nigra L.	Lombardy poplar
Platanus ×hispanica Mill. ex Münchh.	London Planetree
Phegopteris connectilis (Michx.) Watt	long beechfern
Carex longii Mack.	Long's sedge
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
Nicotiana longiflora Cav.	longflower tobacco
Carex comosa Boott	longhair sedge
Physalis longifolia Nutt.	Longleaf Groundcherry
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
Carex pedunculata Muhl. ex Willd.	longstalk sedge
Stellaria longipes Goldie	longstalk starwort
Osmorhiza longistylis (Torr.) DC.	longstyle sweetroot
Juncus secundus P. Beauv. ex Poir.	lopsided rush
Cynanchum louiseae Kartesz & Gandhi	Louise's swallow-wort
Gypsophila muralis L.	Low Baby's-Breath
Calystegia spithamaea (L.) Pursh	low false bindweed
Crocanthemum propinquum (E.P.Bicknell) E.P.Bicknell	Low Frostweed
Scleria verticillata Muhl. ex Willd.	low nutrush
Eurybia radula (Aiton) G.L. Nesom	low rough aster
Amelanchier humilis Wiegand	low serviceberry
Ranunculus pusillus Poir.	low spearwort
Myriophyllum humile (Raf.) Morong	low watermilfoil
Vaccinium angustifolium Aiton	Lowbush Blueberry
Cystopteris protrusa (Weath.) Blasdell	lowland bladderfern
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
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
Lyonia ligustrina (L.) DC.	Maleberry
Ipomoea pandurata (L.) G. Mey.	man of the earth
Lonicera ruprechtiana Regel	Manchurian Honeysuckle
Lepidium ramosissimum A. Nelson	manybranched pepperweed
Hydrocotyle umbellata L.	manyflower marshpennywort
Carex sychnocephala Carey	manyhead sedge
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
Setaria parviflora (Poir.) Kerguélen	marsh bristlegrass
Gnaphalium uliginosum L.	marsh cudweed
Stachys palustris L.	Marsh Hedgenettle
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
Carex hormathodes Fernald	marsh straw sedge
Cirsium palustre (L.) Scop.	marsh thistle
Epilobium palustre L.	marsh willowherb
Chrysopsis mariana (L.) Elliott	Maryland Goldenaster
Hieracium marianum Willd.	Maryland hawkweed
Sanicula marilandica L.	Maryland Sanicle
Peucedanum ostruthium (L.) W.D.J. Koch	Masterwort
Amaranthus blitoides S. Watson	Mat Amaranth
Cenchrus longispinus (Hack.) Fernald	Mat Sandbur
Nardus stricta L.	matgrass
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
Glyceria melicaria (Michx.) F.T. Hubbard	melic mannagrass
Azolla microphylla Kaulf.	Mexican Mosquito Fern
Muhlenbergia mexicana (L.) Trin.	Mexican Muhly
Argemone mexicana L.	Mexican Pricklypoppy
Dysphania ambrosioides (L.) Mosyakin & Clemants	Mexican Tea
Carex michauxiana Boeckeler	Michaux's sedge
Minuartia michauxii (Fenzl) Farw.	Michaux's stitchwort
Lilium michiganense Farw.	Michigan lily
Carex mesochorea Mack.	Midland Sedge
Botrychium minganense Victorin	Mingan Moonwort
Lemna perpusilla Torr.	minute duckweed
Salix eriocephala Michx.	Missouri River Willow
Primula mistassinica Michx.	Mistassini primrose
Carex mitchelliana M.A. Curtis	Mitchell's Sedge
Cypripedium acaule Aiton	Moccasin Flower
Carya tomentosa (Lam.) Nutt.	Mockernut Hickory
Euphorbia lathyris L.	moleplant
Lunaria annua L.	Money Plant	✓
Lonicera morrowii A. Gray	Morrow's Honeysuckle
Scirpus hattorianus Makino	mosquito bulrush
Phlox subulata L.	Moss Phlox
Verbascum blattaria L.	Moth Mullein
Bromus marginatus Nees ex Steud.	Mountain Brome
Anticlea elegans (Pursh) Rydb.	Mountain Deathcamas
Lonicera villosa (Michx.) Schult.	mountain fly honeysuckle
Ilex montana Torr. & A. Gray ex A. Gray	Mountain Holly
Kalmia latifolia L.	Mountain Laurel
Acer spicatum Lam.	Mountain Maple
Piptatheropsis pungens "(Torr.) Romasch.	mountain ricegrass
Asplenium montanum Willd.	mountain spleenwort
Madia glomerata Hook.	mountain tarweed
Valeriana uliginosa (Torr. & A. Gray) Rydb.	mountain valerian
Dryopteris campyloptera Clarkson	mountain woodfern
Oxalis montana Raf.	Mountain Woodsorrel
Rubus montensis L.H. Bailey	Mountaintop Blackberry
Hordeum murinum L.	mouse barley
Arabidopsis thaliana (L.) Heynh.	mouseear cress
Hieracium pilosella L.	mouseear hawkweed
Carex limosa L.	mud sedge
Carex muehlenbergii Schkuhr ex Willd.	Muhlenberg's sedge
Rosa multiflora Thunb.	Multiflora Rose
Malva moschata L.	Musk Mallow
Mimulus moschatus Douglas ex Lindl.	muskflower
Adoxa moschatellina L.	muskroot
Mitella nuda L.	naked miterwort
Hylodesmum nudiflorum (L.) H.Ohashi & R.R.Mill	Nakedflower Ticktrefoil
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
Mirabilis linearis (Pursh) Heimerl	Narrowleaf Four O'clock
Gentiana linearis Froel.	narrowleaf gentian
Crepis tectorum L.	narrowleaf hawksbeard
Pycnanthemum tenuifolium Schrad.	narrowleaf mountainmint
Leucospora multifida (Michx.) Nutt.	Narrowleaf Paleseed
Plantago lanceolata L.	Narrowleaf Plantain
Potamogeton strictifolius Benn.	narrowleaf pondweed
Lotus tenuis Waldst. & Kit. ex Willd.	narrowleaf trefoil
Verbena simplex Lehm.	Narrowleaf Vervain
Sericocarpus linifolius "(L.) Britton	narrowleaf whitetop aster
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
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	✓
Carex novae-angliae Schwein.	New England sedge
Ceanothus americanus L.	New Jersey tea
Chenopodium neomexicanum Standl.	New Mexico goosefoot
Symphyotrichum novi-belgii (L.) G.L. Nesom	New York Aster
Rubus noveboracus L.H. Bailey	New York Blackberry
Rubus obsessus L.H. Bailey	New York Dewberry
Parathelypteris noveboracensis (L.) Ching	New York Fern
Vernonia noveboracensis (L.) Michx.	New York Ironweed
Silene noctiflora L.	nightflowering silene
Muhlenbergia schreberi J.F. Gmel.	Nimblewill
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
Hackelia deflexa (Wahlenb.) Opiz	nodding stickseed
Trillium flexipes Raf.	nodding wakerobin
Najas flexilis (Willd.) Rostk. & Schmidt	Nodding Waternymph
Centaurea diluta Aiton	North African knapweed
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
Carex gynocrates Wormsk. ex Drejer	northern bog sedge
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
Carex arcta Boott	northern cluster sedge
Rubus flagellaris Willd.	Northern Dewberry
Oenothera parviflora L.	northern evening primrose
Platanthera aquilonis Sheviak	northern green orchid
Juncus alpinoarticulatus Chaix	northern green rush
Polystichum lonchitis (L.) Roth	northern hollyfern
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	✓
Selaginella rupestris (L.) Spring	northern selaginella
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
Callitriche hermaphroditica L.	northern water-starwort
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
Xyris montana Ries	northern yelloweyed grass
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
Calamagrostis coarctata Eaton	Nuttall's reedgrass
Desmodium nuttallii (Schindl.) B.G. Schub.	Nuttall's Ticktrefoil
Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult.	Oakes' Evening Primrose
Potamogeton oakesianus J.W. Robbins	Oakes' pondweed
Physostegia virginiana (L.) Benth.	obedient plant
Amelanchier bartramiana (Tausch) M. Roem.	oblongfruit serviceberry
Diarrhena obovata (Gleason) Brandenburg	Obovate Beakgrain
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
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
Buddleja davidii Franch.	orange eye butterflybush
Verbascum phlomoides L.	orange mullein
Triosteum aurantiacum E.P. Bicknell	Orangefruit Horse-gentian
Hypericum gentianoides "(L.) Britton	orangegrass

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