Home » Search: All Plants Native in South Central Semi-Arid Prairies

3343 Plants Found

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Ordered by scientific name.

Scientific Name	Common Name	†	Map‡
Muhlenbergia rigens (Benth.) Hitchc.	deergrass
Muhlenbergia setifolia Vasey	curlyleaf muhly
Muhlenbergia sobolifera (Muhl. ex Willd.) Trin.	rock muhly
Muhlenbergia spiciformis Trin.	longawn muhly
Muhlenbergia sylvatica (Torr.) Torr. ex A. Gray	Woodland Muhly
Muhlenbergia tenuiflora	Slimflower Muhly
Muhlenbergia tenuifolia (Kunth) Trin.	slender muhly
Muhlenbergia torreyi (Kunth) Hitchc. ex Bush	ring muhly
Muhlenbergia utilis (Torr.) Hitchc.	aparejograss
Muhlenbergia villiflora Hitchc.	Hairy Muhly
Muhlenbergia wrightii Vasey ex J.M. Coult.	Spike Muhly
Munroa squarrosa (Nutt.) Torr.	false buffalograss
Musineon divaricatum (Pursh) Raf.	leafy wildparsley
Musineon tenuifolium Nutt.	Slender Wildparsley
Myosotis macrosperma Engelm.	largeseed forget-me-not
Myosotis verna Nutt.	spring forget-me-not
Myosurus apetalus C. Gay	bristly mousetail
Myosurus minimus L.	Tiny Mousetail
Myriophyllum heterophyllum Michx.	Twoleaf Watermilfoil
Myriophyllum pinnatum "(Walter) Britton	cutleaf watermilfoil
Myriophyllum sibiricum Kom.	shortspike watermilfoil
Nabalus asper (Michx.) Torr. & A.Gray	Rough Rattlesnakeroot
Nabalus carrii (Singhurst, O'Kennon & W.C.Holmes) Weakley	Canyon Rattlesnakeroot
Nabalus racemosus (Michx.) Hook.	Purple Rattlesnakeroot
Najas guadalupensis (Spreng.) Magnus	southern waternymph
Najas marina L.	spiny naiad
Nama carnosum (Wooton) C.L. Hitchc.	sand fiddleleaf
Nama dichotomum (Ruiz & Pav.) Choisy	wishbone fiddleleaf
Nama hispidum A. Gray	bristly nama
Nama jamaicensis L.	Jamaicanweed
Nama parvifolium (Torr.) Greenm.	small-leaf fiddleleaf
Nama stevensii C.L. Hitchc.	Stevens' fiddleleaf
Nassella leucotricha (Trin. & Rupr.) Pohl	Texas wintergrass
Nassella tenuissima (Trin.) Barkworth	Finestem Needlegrass
Nassella viridula (Trin.) Barkworth	Green Needlegrass
Nekemias arborea (L.) J. Wen & Boggan	Peppervine
Nelumbo lutea Willd.	American lotus
Nemastylis geminiflora Nutt.	Prairie Pleatleaf
Nemastylis nuttallii Pickering ex R.C. Foster	Nuttall's Pleatleaf
Nemophila phacelioides Nutt.	largeflower baby blue eyes
Neokochia americana (S.Watson) G.L.Chu & S.C.Sand.	Green Molly
Neolloydia conoidea (DC.) Britton & Rose	Chihuahuan beehive
Neptunia lutea (Leavenworth) Benth.	yellow puff
Nerisyrenia camporum (A. Gray) Greene	bicolor fanmustard
Nerisyrenia linearifolia (S. Watson) Greene	White Sands fanmustard
Nesaea longipes A. Gray	stalkflower
Nicotiana obtusifolia M. Martens & Galeotti	desert tobacco
Nicotiana repanda Willd. ex Lehm.	fiddleleaf tobacco
Noccaea fendleri (A. Gray) Holub	Fendler's Pennycress
Nolina greenei S. Watson ex Trel.	Woodland Beargrass
Nolina lindheimeriana (Scheele) S. Watson	Devil's Shoestring
Nolina microcarpa S. Watson	sacahuista
Nolina texana S. Watson	Texas sacahuista
Nothocalais cuspidata (Pursh) Greene	prairie false dandelion
Notholaena aschenborniana Klotzsch	scaled cloak fern
Notholaena copelandii C.C. Hall	Copeland's cloak fern
Notholaena grayi Davenport	Gray's cloak fern
Notholaena standleyi Maxon	star cloak fern
Nothoscordum bivalve (L.) Britton	crowpoison
Nuphar advena (Aiton) W.T.Aiton	Spatterdock
Nuttallanthus canadensis (L.) D.A. Sutton	Canada Toadflax
Nuttallanthus texanus (Scheele) D.A. Sutton	Texas Toadflax
Nyctaginia capitata Choisy	devil's bouquet
Nymphaea elegans Hook.	tropical royalblue waterlily
Nymphaea mexicana Zucc.	Yellow Waterlily
Nyssa sylvatica Marshall	Black Tupelo	✓
Oenothera albicaulis Pursh	Whitest Evening Primrose
Oenothera biennis L.	Common Evening Primrose
Oenothera caespitosa Nutt.	Tufted Evening Primrose
Oenothera calcicola (P.H. Raven & D.P. Greg.) W.L. Wagner & Hoch	Texas beeblossom
Oenothera canescens Torr. & Frém.	Spotted Evening Primrose
Oenothera capillifolia subsp. berlandieri (Spach) W.L.Wagner & Hoch	Berlandier's Sundrops
Oenothera cinerea (Wooton & Standl.) W.L. Wagner & Hoch	high-plains beeblossom
Oenothera coloradensis (Rydb.) W.L. Wagner & Hoch	Colorado Beeblossom
Oenothera coronopifolia Torr. & A. Gray	crownleaf evening primrose
Oenothera coryi W.L. Wagner	El Paso Evening Primrose
Oenothera curtiflora W.L.Wagner & Hoch	Velvetweed
Oenothera drummondii Hook.	Beach Evening Primrose
Oenothera elata Kunth	Hooker's evening primrose
Oenothera engelmannii (Small) Munz	Engelmann's Evening Primrose
Oenothera filiformis (Small) W.L. Wagner & Hoch	Longflower Beeblossom
Oenothera flava (A. Nelson) Garrett	yellow evening primrose
Oenothera glaucifolia W.L.Wagner & Hoch	False Gaura
Oenothera grandis (Britton) Smyth	showy evening primrose
Oenothera harringtonii W.L. Wagner	Colorado Springs Evening Primrose
Oenothera hartwegii Benth.	Hartweg's Sundrops
Oenothera heterophylla Spach	variableleaf evening primrose
Oenothera hexandra (Ortega) W.L. Wagner & Hoch	harlequinbush
Oenothera howardii (A. Nelson) W.L. Wagner	Howard's Evening Primrose
Oenothera jamesii Torr. & A. Gray	trumpet evening primrose
Oenothera kunthiana (Spach) Munz	Kunth's evening primrose
Oenothera laciniata Hill	Cutleaf Evening Primrose
Oenothera lavandulifolia Torr. & A.Gray	Lavenderleaf Sundrops
Oenothera linifolia Nutt.	threadleaf evening primrose
Oenothera macrocarpa Nutt.	bigfruit evening primrose
Oenothera neomexicana (Small) Munz	New Mexico evening primrose
Oenothera nuttallii Sweet	Nuttall's Evening Primrose
Oenothera pallida Lindl.	pale evening primrose
Oenothera pallida subsp. latifolia (Rydb.) Munz	Mountain Evening Primrose
Oenothera patriciae W.L. Wagner & Hoch	Plains Beeblossom
Oenothera pubescens Willd. ex Spreng.	South American evening primrose
Oenothera rhombipetala Nutt. ex Torr. & A. Gray	Fourpoint Evening Primrose
Oenothera rosea L'Hér. ex Aiton	Rose Evening Primrose
Oenothera serrulata Nutt.	Yellow Sundrops
Oenothera sinuosa W.L. Wagner & Hoch	Wavyleaf Beeblossom
Oenothera spachiana Torr. & A. Gray	Spach's evening primrose
Oenothera suffrutescens (Moc. & Sessé ex Ser.) W.L.Wagner & Hoch	Scarlet Beeblossom
Oenothera suffulta (Engelm. ex A. Gray) W.L. Wagner & Hoch	kisses
Oenothera triangulata (Buckley) W.L. Wagner & Hoch	Prairie Beeblossom
Oenothera triloba Nutt.	Stemless Evening Primrose
Oenothera tubicula A.Gray	Texas Sundrops
Oenothera villosa Thunb.	Hairy Evening Primrose
Oldenlandia boscii (DC.) Chapm.	Bosc's mille graines
Onoclea sensibilis L.	Sensitive Fern
Oonopsis engelmannii (A. Gray) Greene	Engelmann's False Goldenweed
Oonopsis foliosa (A. Gray) Greene	Leafy False Goldenweed
Ophioglossum crotalophoroides Walter	bulbous adderstongue
Ophioglossum engelmannii Prantl	limestone adderstongue
Ophioglossum nudicaule L. f.	least adderstongue
Oplismenus hirtellus (L.) P. Beauv.	basketgrass
Opuntia edwardsii V.E. Grant & K.A. Grant	Edwards' Pricklypear
Opuntia engelmannii Salm-Dyck ex Engelm.	Cactus Apple
Opuntia fragilis (Nutt.) Haw.	brittle pricklypear
Opuntia humifusa (Raf.) Raf.	Eastern prickly pear
Opuntia macrorhiza Engelm.	twistspine pricklypear
Opuntia phaeacantha Engelm.	tulip pricklypear
Opuntia polyacantha Haw.	plains pricklypear
Opuntia tortispina Engelm. & J.M.Bigelow	Grassland Pricklypear
Oreocarya fulvocanescens (S.Watson) Greene	Tawny Cryptantha
Oreocarya oblata (M.E.Jones) J.F.Macbr.	Rough Perennial Cat's-Eye
Oreocarya suffruticosa var. setosa (M.E.Jones) R.B.Kelley	James' Perennial Cat's-Eye
Oreochrysum parryi (A. Gray) Rydb.	Parry's goldenrod
Orobanche fasciculata Nutt.	clustered broomrape
Orobanche ludoviciana Nutt.	Louisiana Broomrape
Orobanche riparia L.T. Collins	River Broomrape
Orobanche uniflora L.	One-flowered Broomrape
Orthilia secunda (L.) House	sidebells wintergreen
Orthocarpus luteus Nutt.	yellow owl's-clover
Oryzopsis asperifolia Michx.	roughleaf ricegrass
Osmorhiza berteroi DC.	sweetcicely
Osmorhiza depauperata Phil.	bluntseed sweetroot
Osmorhiza longistylis (Torr.) DC.	Aniseroot
Osmunda spectabilis Willd.	American Royal Fern
Ostrya virginiana (Mill.) K. Koch	American Hophornbeam
Oxalis albicans Kunth	radishroot woodsorrel
Oxalis dillenii Jacq.	Slender Yellow Woodsorrel
Oxalis drummondii A. Gray	Drummond's woodsorrel
Oxalis violacea L.	Violet Woodsorrel
Oxybasis rubra (L.) S.Fuentes, Uotila & Borsch	Red Goosefoot
Oxypolis fendleri (A. Gray) A. Heller	Fendler's Cowbane
Oxytropis besseyi (Rydb.) Blank.	Bessey's locoweed
Oxytropis campestris (L.) DC.	Field Locoweed
Oxytropis lagopus Nutt.	haresfoot locoweed
Oxytropis lambertii Pursh	purple locoweed
Oxytropis monticola A. Gray	yellowflower locoweed
Oxytropis multiceps Nutt.	Nuttall's Oxytrope
Oxytropis sericea Nutt.	white locoweed
Oxytropis splendens Douglas ex Hook.	showy locoweed
Packera cana (Hook.) W.A. Weber & Á. Löve	woolly groundsel
Packera dimorphophylla (Greene) W.A. Weber & Á. Löve	Splitleaf Groundsel
Packera dubia (Spreng.) Trock & Mabb.	Woolly Ragwort
Packera fendleri (A. Gray) W.A. Weber & Á. Löve	Fendler's Ragwort
Packera glabella (Poir.) C. Jeffrey	Butterweed
Packera multilobata (Torr. & A. Gray ex A. Gray) W.A. Weber & Á. Löve	Lobeleaf Groundsel
Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve	roundleaf ragwort
Packera paupercula (Michx.) Á. Löve & D. Löve	Balsam Groundsel
Packera plattensis (Nutt.) W.A. Weber & Á. Löve	prairie groundsel
Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve	falsegold groundsel
Packera sanguisorboides (Rydb.) W.A. Weber & Á. Löve	Burnet Ragwort
Packera streptanthifolia (Greene) W.A. Weber & Á. Löve	Rocky Mountain Groundsel
Packera tampicana (DC.) C. Jeffrey	Great Plains ragwort
Packera thurberi (A.Gray) B.L.Turner	Threetooth Ragwort
Packera werneriifolia (A. Gray) W.A. Weber & Á. Löve	Hoary Groundsel
Palafoxia callosa (Nutt.) Torr. & A. Gray	small palafox
Palafoxia hookeriana Torr. & A. Gray	sand palafox
Palafoxia reverchonii (Bush) Cory	Reverchon's Palafox
Palafoxia rosea (Bush) Cory	rosy palafox
Palafoxia sphacelata (Nutt. ex Torr.) Cory	othake
Panax quinquefolius L.	American ginseng
Panicum brachyanthum Steud.	prairie panicgrass
Panicum bulbosum Kunth	Bulb Panicgrass
Panicum capillare L.	Witchgrass
Panicum diffusum Sw.	West Indian panicgrass
Panicum flexile (Gattinger) Scribn.	wiry panicgrass
Panicum hallii Vasey	Hall's panicgrass
Panicum havardii Vasey	Havard's Panicgrass
Panicum hillmanii Chase	Hillman's panicgrass
Panicum hirticaule J. Presl	Mexican panicgrass
Panicum philadelphicum Bernh. ex Trin.	Philadelphia panicgrass
Panicum rigidulum Bosc ex Nees	Redtop Panicgrass
Panicum virgatum L.	Switchgrass
Pappophorum bicolor Fourn.	pink pappusgrass
Pappophorum vaginatum Buckley	whiplash pappusgrass
Parietaria floridana Nutt.	Florida Pellitory
Parietaria pensylvanica Muhl. ex Willd.	Pennsylvania Pellitory
Paronychia canadensis (L.) Alph. Wood	smooth forked nailwort
Paronychia depressa (Torr. & A. Gray) Nutt. ex A. Nelson	Spreading Nailwort
Paronychia drummondii Torr. & A. Gray	Drummond's nailwort
Paronychia fastigiata (Raf.) Fernald	hairy forked nailwort
Paronychia jamesii Torr. & A. Gray	James' nailwort
Paronychia lindheimeri Engelm. ex A. Gray	Forked Nailwort
Paronychia sessiliflora Nutt.	creeping nailwort
Paronychia setacea Torr. & A. Gray	bristle nailwort
Paronychia virginica Spreng.	Yellow Nailwort
Parthenium alpinum (Nutt.) Torr. & A. Gray	Alpine Feverfew
Parthenium confertum A. Gray	Gray's feverfew
Parthenium incanum Kunth	Mariola
Parthenium integrifolium L.	Wild Quinine
Parthenocissus heptaphylla (Buckley) Britton ex Small	sevenleaf creeper
Parthenocissus vitacea (Knerr) Hitchc.	Woodbine
Pascopyrum smithii (Rydb.) Á. Löve	Western Wheatgrass
Paspalum bifidum (Bertol.) Nash	pitchfork crowngrass
Paspalum denticulatum Trin.	longtom
Paspalum dissectum (L.) L.	mudbank crowngrass
Paspalum floridanum Michx.	Florida paspalum
Paspalum laeve Michx.	Field Paspalum
Paspalum minus Fourn.	matted paspalum
Paspalum plicatulum Michx.	brownseed paspalum
Paspalum setaceum Michx.	thin paspalum
Paspalum unispicatum (Scribn. & Merr.) Nash	onespike paspalum
Passiflora affinis Engelm.	bracted passionflower
Passiflora incarnata L.	purple passionflower
Passiflora lutea L.	yellow passionflower
Passiflora tenuiloba Engelm.	birdwing passionflower
Pavonia lasiopetala Scheele	Texas swampmallow
Paxistima myrsinites (Pursh) Raf.	Oregon boxleaf
Pectis angustifolia Torr.	lemonscent
Pedicularis groenlandica Retz.	Elephanthead Lousewort
Pedicularis lanceolata Michx.	Swamp Lousewort
Pedicularis parryi A. Gray	Parry's Lousewort
Pedicularis procera A. Gray	giant lousewort
Pedicularis racemosa Douglas ex Benth.	Sickletop Lousewort
Pediomelum argophyllum (Pursh) J. Grimes	silverleaf Indian breadroot
Pediomelum cuspidatum (Pursh) Rydb.	largebract Indian breadroot
Pediomelum cyphocalyx (A. Gray) Rydb.	Turniproot
Pediomelum digitatum (Nutt. ex Torr. & A. Gray) Isely	palmleaf Indian breadroot
Pediomelum esculentum (Pursh) Rydb.	large Indian breadroot
Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb.	subterranean Indian breadroot
Pediomelum latestipulatum (Shinners) Mahler	Texas Plains Indian breadroot
Pediomelum linearifolium (Torr. & A. Gray) J. Grimes	Narrowleaf Indian Breadroot
Pediomelum reverchonii (S. Watson) Rydb.	Rock Indian Breadroot
Pediomelum rhombifolium (Torr. & A. Gray) Rydb.	Gulf Indian breadroot
Pediomelum tenuiflorum (Pursh) A.N.Egan	Slimflower Scurfpea
Pellaea atropurpurea (L.) Link	Purple Cliffbrake
Pellaea glabella Mett. ex Kuhn	smooth cliffbrake
Pellaea wrightiana Hook.	Wright's cliffbrake
Pennellia longifolia (Benth.) Rollins	longleaf mock thelypody
Pennellia micrantha (A. Gray) Nieuwl.	mountain mock thelypody
Penstemon albidus Nutt.	white penstemon
Penstemon ambiguus Torr.	gilia beardtongue
Penstemon angustifolius Nutt. ex Pursh	Broadbeard Beardtongue
Penstemon arkansanus Pennell	Arkansas Beardtongue
Penstemon auriberbis Pennell	Colorado Beardtongue
Penstemon baccharifolius Hook.	baccharisleaf beardtongue
Penstemon barbatus (Cav.) Roth	beardlip penstemon
Penstemon bradburyi Pursh	Large-flowered Beardtongue
Penstemon buckleyi Pennell	Buckley's Beardtongue
Penstemon digitalis Nutt. ex Sims	Foxglove Beardtongue
Penstemon eriantherus Pursh	Fuzzytongue Penstemon
Penstemon fendleri Torr. & A. Gray	Fendler's Penstemon
Penstemon glaber Pursh	Sawsepal Penstemon
Penstemon gracilis Nutt.	Lilac Penstemon
Penstemon guadalupensis A. Heller	Guadalupe Beardtongue
Penstemon inflatus Crosswh.	Inflated Beardtongue
Penstemon jamesii Benth.	James' beardtongue
Penstemon laxiflorus Pennell	Nodding Beardtongue
Penstemon murrayanus Hook.	Scarlet Beardtongue
Penstemon oklahomensis Pennell	Oklahoma Beardtongue
Penstemon oliganthus Wooton & Standl.	Apache Beardtongue
Penstemon palmeri A. Gray	Palmer's Penstemon
Penstemon secundiflorus Benth.	Sidebells Penstemon
Penstemon secundiflorus var. versicolor (Pennell) C.C.Freeman	Variable-Color Beardtongue
Penstemon strictus Benth.	Rocky Mountain Penstemon
Penstemon triflorus A. Heller	Heller's Beardtongue
Penstemon tubaeflorus Nutt.	White Wand Beardtongue
Penstemon unilateralis Rydb.	Oneside Penstemon
Penstemon virens Pennell ex Rydb.	Front Range Beardtongue
Penstemon virgatus A. Gray	upright blue beardtongue
Penstemon whippleanus A. Gray	Whipple's Penstemon
Penthorum sedoides L.	ditch stonecrop
Pericome caudata A. Gray	mountain tail-leaf
Perideridia americana (Nutt. ex DC.) Rchb.	Eastern Yampah
Perityle lindheimeri (A. Gray) Shinners	Lindheimer's Rockdaisy
Persicaria amphibia (L.) Delarbre	Water Knotweed
Persicaria glabra (Willd.) M.Gómez	Smooth Knotweed
Persicaria hydropiperoides (Michx.) Small	Swamp Smartweed
Persicaria lapathifolia (L.) Delarbre	Pale Smartweed
Persicaria sagittata (L.) H.Gross	Arrowleaf Tearthumb
Persicaria setacea (Baldwin) Small	Bog Smartweed
Persicaria virginiana L.	Jumpseed
Petrophytum caespitosum (Nutt.) Rydb.	mat rockspirea
Phacelia alba Rydb.	white phacelia
Phacelia congesta Hook.	caterpillars
Phacelia denticulata Osterh.	Rocky Mountain Phacelia
Phacelia glabra Nutt.	smooth phacelia
Phacelia hastata Douglas ex Lehm.	Silverleaf Phacelia
Phacelia heterophylla Pursh	varileaf phacelia
Phacelia hirsuta Nutt.	fuzzy phacelia
Phacelia integrifolia Torr.	gypsum phacelia
Phacelia laxa Small	coastal phacelia
Phacelia neomexicana Thurb. ex Torr.	New Mexico phacelia
Phacelia patuliflora (Engelm. & A. Gray) A. Gray	sand phacelia
Phacelia popei Torr. & A. Gray	Pope's phacelia
Phacelia robusta (J.F. Macbr.) I.M. Johnst.	stout phacelia
Phacelia sericea (Graham) A. Gray	silky phacelia
Phacelia strictiflora (Engelm. & A. Gray) A. Gray	prairie phacelia
Phalaris angusta Nees ex Trin.	timothy canarygrass
Phalaris arundinacea L.	Reed Canary Grass
Phaseolus filiformis Benth.	slimjim bean
Phemeranthus aurantiacus (Engelm.) Kiger	orange fameflower
Phemeranthus brevicaulis (S. Watson) Kiger	dwarf fameflower
Phemeranthus calycinus (Engelm.) Kiger	Largeflower Fameflower
Phemeranthus confertiflorus (Greene) Hershkovitz	New Mexico fameflower
Phemeranthus longipes (Wooton & Standl.) Kiger	pink fameflower
Phemeranthus parviflorus (Nutt.) Kiger	sunbright
Phemeranthus rugospermus (Holz.) Kiger	Prairie Fameflower
Philadelphus microphyllus A. Gray	littleleaf mock orange
Philadelphus pubescens Loisel.	Hoary Mock Orange
Philadelphus texensis Hu	Texas Mock Orange
Philadelphus texensis var. ernestii (S.Y.Hu) Henrickson	Canyon Mock Orange
Phleum alpinum L.	Alpine Timothy
Phlox alyssifolia Greene	alyssumleaf phlox
Phlox andicola E.E. Nelson	prairie phlox
Phlox condensata (A. Gray) E.E. Nelson	Dwarf Phlox
Phlox cuspidata Scheele	pointed phlox
Phlox divaricata L.	wild blue phlox
Phlox drummondii Hook.	Annual Phlox
Phlox hoodii Richardson	spiny phlox
Phlox longifolia Nutt.	longleaf phlox
Phlox nana Nutt.	Santa Fe phlox
Phlox oklahomensis Wherry	Oklahoma Phlox
Phlox pilosa L.	Downy Phlox
Phlox pulvinata (Wherry) Cronquist	Cushion Phlox
Phlox roemeriana Scheele	goldeneye phlox
Phoradendron bolleanum (Seem.) Eichl.	Bollean mistletoe
Phoradendron hawksworthii (Wiens) Wiens	Hawksworth's mistletoe
Phoradendron juniperinum Engelm. ex A. Gray	Juniper Mistletoe
Phoradendron leucarpum (Raf.) Reveal & M.C. Johnst.	Oak Mistletoe
Phryma leptostachya L.	American lopseed
Phyla cuneifolia (Torr.) Greene	wedgeleaf
Phyla fruticosa (Mill.) Kennedy	diamondleaf fogfruit
Phyla lanceolata (Michx.) Greene	Lanceleaf Fogfruit
Phyla nodiflora (L.) Greene	Turkey Tangle Fogfruit
Phyllanthopsis phyllanthoides (Nutt.) Voronts. & Petra Hoffm.	Missouri Maidenbush
Phyllanthus abnormis Baill.	Drummond's leaf-flower
Phyllanthus caroliniensis Walter	Carolina leaf-flower
Phyllanthus polygonoides Nutt. ex Spreng.	smartweed leaf-flower
Physalis angulata L.	Cutleaf Groundcherry
Physalis cinerascens (Dunal) Hitchc.	Smallflower Groundcherry
Physalis cordata Mill.	heartleaf groundcherry
Physalis hederifolia A. Gray	ivyleaf groundcherry
Physalis heterophylla Nees	Clammy Groundcherry
Physalis longifolia Nutt.	Longleaf Groundcherry
Physalis missouriensis Mack. & Bush	Missouri groundcherry
Physalis pumila Nutt.	Dwarf Groundcherry
Physalis pumila var. hispida (Waterf.) J.R.Sullivan	Prairie Groundcherry
Physalis subulata Rydb.	Chihuahuan groundcherry
Physalis virginiana Mill.	Virginia groundcherry
Physalis viscosa L.	Starhair Groundcherry
Physaria brassicoides Rydb.	Double Twinpod
Physaria fendleri (A.Gray) O'Kane & Al-Shehbaz	Fendler's Bladderpod
Physaria gordonii (A.Gray) O'Kane & Al-Shehbaz	Gordon's Bladderpod
Physaria ludoviciana (Nutt.) O'Kane & Al-Shehbaz	Foothill Bladderpod
Physaria reediana O'Kane & Al-Shehbaz	Reed's Twinpod
Physaria vitulifera Rydb.	Roundtip Twinpod
Physocarpus monogynus (Torr.) J.M. Coult.	mountain ninebark
Physocarpus opulifolius	Common Ninebark
Physostegia angustifolia Fernald	narrowleaf false dragonhead
Physostegia correllii (Lundell) Shinners	Correll's false dragonhead
Physostegia digitalis Small	finger false dragonhead
Physostegia intermedia (Nutt.) Engelm. & A. Gray	slender false dragonhead
Physostegia parviflora Nutt. ex A. Gray	Western False Dragonhead
Physostegia pulchella Lundell	showy false dragonhead
Physostegia virginiana (L.) Benth.	obedient plant
Picea engelmannii Parry ex Engelm.	Engelmann Spruce
Picea pungens Engelm.	Blue Spruce
Picradeniopsis oppositifolia (Nutt.) Rydb. ex Britton	oppositeleaf bahia
Picradeniopsis woodhousei (A. Gray) Rydb.	Woodhouse's Bahia
Pilea fontana (Lunell) Rydb.	Black-fruited Clearweed
Pilea pumila (L.) A. Gray	Canadian Clearweed
Pilostyles thurberi A. Gray	Thurber's stemsucker
Pilularia americana A. Braun	American pillwort
Pinaropappus roseus (Less.) Less.	white rocklettuce
Pinus aristata Engelm.	bristlecone pine
Pinus echinata Mill.	Shortleaf Pine	✓
Pinus edulis Engelm.	Twoneedle Pinyon
Pinus elliottii Engelm.	Slash Pine
Pinus flexilis James	Limber Pine
Pinus remota (Little) D.K. Bailey & Hawksw.	papershell pinyon
Pinus strobiformis Engelm.	southwestern white pine
Pinus taeda L.	Loblolly Pine	✓
Piptatheropsis micrantha "(Trin. & Rupr.) Romasch.	littleseed ricegrass
Piptochaetium avenaceum (L.) Parodi	blackseed speargrass
Piptochaetium pringlei (Beal) Parodi	Pringle's speargrass
Plantago eriopoda Torr.	redwool plantain
Plantago helleri Small	Heller's plantain
Plantago heterophylla Nutt.	slender plantain
Plantago hookeriana Fisch. & C.A. Mey.	California Plantain
Plantago patagonica Jacq.	Woolly Plantain
Plantago pusilla Nutt.	Dwarf Plantain
Plantago rhodosperma Decne.	redseed plantain
Plantago rugelii Decne.	Blackseed Plantain
Plantago virginica L.	Virginia Plantain
Plantago wrightiana Decne.	Wright's plantain
Platanthera aquilonis Sheviak	northern green orchid
Platanthera huronensis (Nutt.) Lindl.	Huron green orchid
Platanthera lacera (Michx.) G. Don	Green Fringed Orchid
Platanthera praeclara Sheviak & Bowles	Great Plains white fringed orchid
Platanthera sparsiflora (S. Watson) Schltr.	sparse-flowered bog orchid
Platanthera tescamnis Sheviak & W.F. Jenn.	Intermountain Bog Orchid
Platanus occidentalis L.	American Sycamore	✓
Plectocephalus americanus (Nutt.) D.Don	American Star-thistle
Pleopeltis polypodioides (L.) Andrews & Windham	resurrection fern
Pleuraphis mutica Buckley	tobosagrass
Pluchea camphorata (L.) DC.	camphor pluchea
Pluchea odorata (L.) Cass.	sweetscent
Poa alpina L.	Alpine Bluegrass
Poa arachnifera Torr.	Texas Bluegrass
Poa arctica R. Br.	arctic bluegrass
Poa arida Vasey	Plains Bluegrass
Poa bigelovii Vasey & Scribn.	Bigelow's bluegrass
Poa cusickii Vasey	Cusick's Bluegrass
Poa fendleriana (Steud.) Vasey	muttongrass
Poa glauca Vahl	Glaucous Bluegrass
Poa leptocoma Trin.	marsh bluegrass
Poa occidentalis Vasey	New Mexico bluegrass
Poa palustris L.	Fowl Bluegrass
Poa reflexa Vasey & Scribn. ex Vasey	Nodding Bluegrass
Poa secunda J. Presl	Sandberg Bluegrass
Poa sylvestris A. Gray	woodland bluegrass
Poa tracyi Vasey	Tracy's Bluegrass
Poa wheeleri Vasey	Wheeler's Bluegrass
Podistera eastwoodiae (J.M. Coult. & Rose) Mathias & Constance	Eastwood's Podistera
Podophyllum peltatum L.	Mayapple	✓
Polanisia dodecandra (L.) DC.	redwhisker clammyweed
Polanisia erosa (Nutt.) Iltis	large clammyweed
Polanisia jamesii (Torr. & A. Gray) Iltis	James' clammyweed
Polemonium foliosissimum A. Gray	towering Jacob's-ladder
Polemonium pulcherrimum Hook.	Jacob's-ladder
Polemonium viscosum Nutt.	Sticky Polemonium
Polygonatum biflorum (Walter) Elliott	Smooth Solomon's Seal
Polygonum achoreum S.F. Blake	leathery knotweed
Polygonum douglasii Greene	Douglas' knotweed
Polygonum erectum L.	Erect Knotweed
Polygonum pensylvanicum L.	Pennsylvania Smartweed
Polygonum ramosissimum Michx.	Bushy Knotweed
Polygonum striatulum B.L. Rob.	Striped Knotweed
Polygonum tenue Michx.	pleatleaf knotweed
Polypodium saximontanum Windham	Rocky Mountain Polypody
Polypogon interruptus Kunth	ditch rabbitsfoot grass
Polypremum procumbens L.	Rustweed
Polystichum acrostichoides (Michx.) Schott	Christmas fern
Polytaenia albiflora E.L. Keith	White Flowered Prairie Parsley
Polytaenia nuttallii DC.	Nuttall's Prairie Parsley
Polytaenia texana (J.M. Coult. & Rose) Mathias & Constance	Texas Prairie Parsley
Pomaria brachycarpa (A. Gray) B. Simpson	Broadpod Nicker
Pomaria jamesii (Torr. & A. Gray) Walp.	James' holdback
Pontederia cordata L.	Pickerelweed
Poolea reverchonii (A.Gray) Morin	Basin Bellflower
Populus angustifolia James	Narrowleaf Cottonwood
Populus balsamifera L.	Balsam Poplar
Populus deltoides W. Bartram ex Marshall	Eastern Cottonwood
Populus tremuloides Michx.	Quaking Aspen
Portulaca halimoides L.	silkcotton purslane
Portulaca pilosa L.	kiss me quick
Potamogeton amplifolius Tuck.	largeleaf pondweed
Potamogeton diversifolius Raf.	waterthread pondweed
Potamogeton foliosus Raf.	Leafy Pondweed
Potamogeton gramineus L.	variableleaf pondweed
Potamogeton illinoensis Morong	Illinois Pondweed
Potamogeton natans L.	floating pondweed
Potamogeton nodosus Poir.	longleaf pondweed
Potamogeton pulcher Tuck.	spotted pondweed
Potamogeton pusillus L.	small pondweed
Potamogeton richardsonii (Benn.) Rydb.	Richardson's pondweed
Potentilla ambigens Greene	Silkyleaf Cinquefoil
Potentilla biennis Greene	biennial cinquefoil
Potentilla bipinnatifida Douglas ex Hook.	tansy cinquefoil
Potentilla concinna Richardson	elegant cinquefoil
Potentilla effusa Douglas ex Lehm.	Branched Cinquefoil
Potentilla gracilis Douglas ex Hook.	slender cinquefoil
Potentilla hippiana Lehm.	Woolly Cinquefoil
Potentilla norvegica L.	Rough Cinquefoil
Potentilla pensylvanica L.	Pennsylvania cinquefoil
Potentilla plattensis Nutt.	Platte River cinquefoil
Potentilla pulcherrima Lehm.	beautiful cinquefoil
Potentilla rivalis Nutt.	Brook Cinquefoil
Potentilla simplex Michx.	Common Cinquefoil
Potentilla subjuga Rydb.	Colorado Cinquefoil
Potentilla subviscosa Greene	Navajo cinquefoil
Potentilla supina L.	Paradox Cinquefoil
Prenanthella exigua (A. Gray) Rydb.	brightwhite
Primula angustifolia Torr.	Alpine Primrose
Primula meadia (L.) A.R.Mast & Reveal	Pride of Ohio
Primula parryi A. Gray	Parry's Primrose
Primula pauciflora (Durand) A.R.Mast & Reveal	Darkthroat Shootingstar
Proboscidea louisianica (Mill.) Thell.	Ram's Horn
Proboscidea parviflora (Wooton) Wooton & Standl.	Doubleclaw
Proboscidea sabulosa Correll	sanddune unicorn-plant
Prosartes trachycarpa S. Watson	roughfruit fairybells

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