Nebraska Invasive Species

Species	Common Name	Physiog	CofW	Wetness	Family	Grank	Srank
Packera cana (Senecio canus)	Gray Ragwort	P-forb	5	UPL	Asteraceae	G5	S5
Packera glabella (Senecio glabellus)	Butterweed	A-forb	2	FACW	Asteraceae	G5	S1
Packera plattensis (Senecio plattensis)	Prairie Ragwort	B-forb	4	FACU	Asteraceae	G5	S5
Packera pseudaurea var. semicordata (Senecio pseudaureus var. semicordatus)	Streambank Ragwort	P-forb	2	FACW	Asteraceae	G5T3T5Q	S1
Packera tridenticulata (Senecio tridenticulatus)	Sandhills Ragwort	P-forb	5	UPL	Asteraceae	G5	S5
Palafoxia sphacelata	Othake	A-forb	5	UPL	Asteraceae	G5	S4?
Panax quinquefolius	American Ginseng	P-forb	5	UPL	Araliaceae	G3G4	S1
Panicum capillare var. barbipulvinatum	Shoreline Witchgrass	A-grass	2	FACW	Poaceae	G5TNR	S3?
Panicum capillare var. brevifolium	Common Witchgrass	A-grass	3	FAC	Poaceae	G5TNR	S5
Panicum capillare var. capillare	Common Witchgrass	A-grass	3	FAC	Poaceae	G5TNR	SU
Panicum dichotomiflorum var. dichotomiflorum	Fall Panicum	A-grass	3	FAC	Poaceae	G5T5	S5
Panicum miliaceum ssp. miliaceum	Broom-corn Millet	A-grass	3	FAC	Poaceae	GNRTNR	SE
Panicum miliaceum ssp. ruderale	Broom-corn Millet	A-grass	3	FAC	Poaceae	GNRTNR	SE
Panicum virgatum	Switchgrass	P-grass	3	FAC	Poaceae	G5	S5
Papaver rhoeas	Corn Poppy	A-forb	5	UPL	Papaveraceae	GNR	SE
Parietaria pensylvanica	Pennsylvania Pellitory	A-forb	3	FAC	Urticaceae	G5	S5
Paronychia canadensis	Forked-chickweed	A-forb	5	UPL	Caryophyllaceae	G5	S1
Paronychia jamesii var. depressa (P. depressa)	James' Nailwort	P-forb	5	UPL	Caryophyllaceae	G4T4	S5
Paronychia jamesii var. jamesii	James' Nailwort	P-forb	5	UPL	Caryophyllaceae	G4T4	S2?
Paronychia sessiliflora	Low Nailwort	P-forb	5	UPL	Caryophyllaceae	G5	S4
Parthenocissus quinquefolia	Virginia Creeper	W-vine	3	FAC	Vitaceae	G5	S5
Parthenocissus tricuspidata	Boston-ivy	W-vine	5	UPL	Vitaceae	GNR	SE
Parthenocissus vitacea	Woodbine	W-vine	3	FAC	Vitaceae	G5	S5
Paspalum setaceum var. stramineum	Slender Paspalum	A-grass	3	FAC	Poaceae	G5TNR	S5
Pastinaca sativa	Wild Parsnip	B-forb	4	FACU	Apiaceae	GNR	SE
Pectis angustifolia var. angustifolia	Lemonscent	A-forb	5	UPL	Asteraceae	G4G5	S4?
Pedicularis canadensis var. canadensis	Canada Lousewort	P-forb	4	FACU	Orobanchaceae	G5T5	S1
Pedicularis crenulata	Meadow Lousewort	P-forb	2	FACW	Orobanchaceae	G4	S1
Pedicularis lanceolata	Swamp Lousewort	P-forb	2	FACW	Orobanchaceae	G5	S3
Pediomelum argophyllum (Psoralea argophylla)	Silver-leaf Scurfpea	P-forb	5	UPL	Fabaceae	G5	S5
Pediomelum cuspidatum (Psoralea cuspidata)	Tall Breadroot Scurfpea	P-forb	5	UPL	Fabaceae	G4	S3?
Pediomelum digitatum (Psoralea digitata)	Palm-leaf Scurfpea	P-forb	5	UPL	Fabaceae	G5	S5
Pediomelum esculentum (Psoralea esculenta)	Prairie Turnip	P-forb	5	UPL	Fabaceae	G5	S5
Pediomelum hypogaeum (Psoralea hypogaea)	Little Breadroot Scurfpea	P-forb	5	UPL	Fabaceae	G5	S4?
Pediomelum linearifolium (Psoralea linearifolia)	Slimleaf Scurfpea	P-forb	5	UPL	Fabaceae	G4?	S1
Pellaea atropurpurea	Purple Cliff Brake	Fern	5	UPL	Pteridaceae	G5	S2
Pellaea glabella var. glabella	Smooth Cliff Brake	Fern	5	UPL	Pteridaceae	G5	S1
Pennisetum glaucum	Pearl Millet	A-grass	5	UPL	Poaceae	GNR	SE
Penstemon albidus	White Beardtongue	P-forb	5	UPL	Plantaginaceae	G5	S5
Penstemon ambiguus var. ambiguus	Gilia Beardtongue	P-forb	5	UPL	Plantaginaceae	G4G5T4T5	S1
Penstemon angustifolius var. angustifolius	Narrowleaf Beardtongue	P-forb	5	UPL	Plantaginaceae	G5T3T5	S5
Penstemon angustifolius var. caudatus	Narrowleaf Beardtongue	P-forb	5	UPL	Plantaginaceae	G5T4?	SU
Penstemon buckleyi	Buckley's Penstemon	P-forb	5	UPL	Plantaginaceae	G4G5	S1
Penstemon cobaea var. cobaea	Cobaea Penstemon	P-forb	5	UPL	Plantaginaceae	G4TNR	S3?
Penstemon digitalis	Foxglove Penstemon	P-forb	3	FAC	Plantaginaceae	G5	S1
Penstemon eriantherus var. eriantherus	Crested Beardtongue	P-forb	5	UPL	Plantaginaceae	G4T4	S5?
Penstemon glaber var. glaber	Smooth Beardtongue	P-forb	5	UPL	Plantaginaceae	G5T4T5	S5?
Penstemon gracilis var. gracilis	Slender Beardtongue	P-forb	4	FACU	Plantaginaceae	G5T4T5	S5
Penstemon grandiflorus	Shell-leaf Penstemon	P-forb	5	UPL	Plantaginaceae	G5?	S5
Penstemon haydenii	Blowout Penstemon	P-forb	5	UPL	Plantaginaceae	G1	S1
Penstemon tubiflorus	Funnel-form Penstemon	P-forb	5	UPL	Plantaginaceae	G5	S1
Penthorum sedoides	Ditch Stonecrop	P-forb	1	OBL	Penthoraceae	G5	S5
Perilla frutescens	Perilla-mint	A-forb	3	FAC	Lamiaceae	GNR	SE
Persicaria amphibia (Polygonum amphibium var. stipulaceum)	Water Smartweed	P-forb	1	OBL	Polygonaceae	G5	S4?
Persicaria bicornis (Polygonum bicorne)	Pink Smartweed	A-forb	2	FACW	Polygonaceae	GNR	S5
Persicaria hydropiper (Polygonum hydropiper)	Water-pepper	A-forb	1	OBL	Polygonaceae	G5	SE
Persicaria hydropiperoides (Polygonum hydropiperoides)	Mild Water-pepper	P-forb	1	OBL	Polygonaceae	G5	S3?
Persicaria lapathifolia (Polygonum lapathifolium)	Nodding Smartweed	A-forb	1	OBL	Polygonaceae	G5	S5
Persicaria longiseta (Polygonum caespitosum var. longisetum)	Creeping Smartweed	A-forb	4	FACU	Polygonaceae	GNR	SE
Persicaria maculosa (Polygonum persicaria)	Lady's-thumb Smartweed	A-forb	1	OBL	Polygonaceae	G3G5	SE
Persicaria minor	Small Water-pepper	A-forb	2	FACW	Polygonaceae	GNR	SE
Persicaria orientale (Polygonum orientale)	Kiss-me-over-the-garden-gate	A-forb	3	FAC	Polygonaceae	GNR	SE
Persicaria pensylvanica (Polygonum pensylvanicum)	Pennsylvania Knotweed	A-forb	2	FACW	Polygonaceae	G5	S5
Persicaria punctata (Polygonum punctatum)	Dotted Smartweed	P-forb	1	OBL	Polygonaceae	G5	S5
Persicaria sagittata (Polygonum sagittatum)	Arrow-leaf Tearthumb	A-forb	1	OBL	Polygonaceae	G5	S4?
Persicaria virginiana (Polygonum virginianum)	Jumpseed	P-forb	2	FACW	Polygonaceae	G5	S5
Phacelia hastata var. hastata	Scorpionweed	P-forb	5	UPL	Hydrophyllaceae	G5T5	S2S3
Phalaris arundinacea	Reed Canary Grass	P-grass	2	FACW	Poaceae	G5	SU
Phalaris canariensis	Canary Grass	A-grass	4	FACU	Poaceae	GNR	SE
Phemeranthus calycinus (Talinum calycinum)	Rockpink Fameflower	P-forb	5	UPL	Portulacaceae	G5	S1S2
Phemeranthus parviflorus (Talinum parviflorum)	Prairie Fameflower	P-forb	5	UPL	Portulacaceae	G5	S5
Phemeranthus rugospermus (Talinum rugospermum)	Sandhills Fameflower	P-forb	5	UPL	Portulacaceae	G3G4	S4?
Philadelphus coronarius	Sweet Mock-orange	Shrub	5	UPL	Hydrangeaceae	GNR	SE
Philadelphus pubescens	Hoary Mock-orange	Shrub	5	UPL	Hydrangeaceae	G5?	SE
Phleum pratense ssp. pratense	Timothy	P-grass	4	FACU	Poaceae	GNRTNR	SE
Phlox alyssifolia	Alyssum-leaved Phlox	P-forb	5	UPL	Polemoniaceae	G5	S1
Phlox andicola	Plains Phlox	P-forb	5	UPL	Polemoniaceae	G4	S5
Phlox bryoides	Moss Phlox	P-forb	5	UPL	Polemoniaceae	GNR	S2
Phlox divaricata var. laphamii	Blue Wood Phlox	P-forb	5	UPL	Polemoniaceae	G5T3T5	S5
Phlox hoodii var. glabrata	Hood's Phlox	P-forb	5	UPL	Polemoniaceae	G5T4T5	S5
Phlox hoodii var. hoodii	Hood's Phlox	P-forb	5	UPL	Polemoniaceae	G5T5	SU
Phlox paniculata	Garden Phlox	P-forb	4	FACU	Polemoniaceae	G5	SE
Phlox pilosa var. fulgida	Prairie Phlox	P-forb	3	FAC	Polemoniaceae	G5TNR	S4?
Phragmites australis ssp. americanus	Common Reed	P-grass	2	FACW	Poaceae	G5T4	S5
Phragmites australis ssp. australis	Common Reed	P-grass	2	FACW	Poaceae	G5TNR	SE
Phryma leptostachya	Lopseed	P-forb	4	FACU	Phrymaceae	G5	S5
Phyla cuneifolia (Lippia cuneifolia)	Wedgeleaf Fogfruit	P-forb	3	FAC	Verbenaceae	G5	S5?
Phyla lanceolata (Lippia lanceolata)	Northern Fogfruit	P-forb	1	OBL	Verbenaceae	G5	S5
Physalis hederifolia var. comata	Round-leaf Ground-cherry	P-forb	5	UPL	Solanaceae	G5?T4?	S4?
Physalis heterophylla	Clammy Ground-cherry	P-forb	5	UPL	Solanaceae	G5	S5
Physalis hispida (P. pumila ssp. hispida)	Sandhills Ground-cherry	P-forb	5	UPL	Solanaceae	G5	S5
Physalis longifolia	Common Ground-cherry	P-forb	5	UPL	Solanaceae	G5	S5
Physalis missouriensis (P. pubescens var. missouriensis)	Downy Ground-cherry	A-forb	5	UPL	Solanaceae	G5?	S1
Physalis pumila	Dwarf Ground-cherry	P-forb	5	UPL	Solanaceae	G5	S1
Physalis virginiana	Virginia Ground-cherry	P-forb	5	UPL	Solanaceae	G5	S5
Physaria arenosa var. arenosa (Lesquerella arenosa var. arenosa)	Great Plains Bladderpod	P-forb	5	UPL	Brassicaceae	G5T5	S1
Physaria arenosa var. argillosa (Lesquerella arenosa var. argillosa)	Great Plains Bladderpod	P-forb	5	UPL	Brassicaceae	G5T3	S4?
Physaria brassicoides	Double Twinpod	P-forb	5	UPL	Brassicaceae	G5	S1
Physaria gracilis var. repanda (Lesquerella gracilis ssp. nuttallii)	Spreading Bladderpod	B-forb	5	UPL	Brassicaceae	G5T4	SE
Physaria ludoviciana (Lesquerella ludoviciana)	Common Bladderpod	P-forb	5	UPL	Brassicaceae	G5	S5
Physaria montana (Lesquerella montana)	Mountain Bladderpod	P-forb	5	UPL	Brassicaceae	G5	S2
Physaria ovalifolia var. ovalifolia (Lesquerella ovalifolia)	Round-leaf Bladderpod	P-forb	5	UPL	Brassicaceae	G5?T5?	S1
Physaria reediana var. reediana (Lesquerella alpina)	Rock Bladderpod	P-forb	5	UPL	Brassicaceae	G5T4	S4?
Physocarpus opulifolius var. intermedius	Ninebark	Shrub	4	FACU	Rosaceae	G5T3T5	S2
Physostegia parviflora	False Dragonhead	P-forb	1	OBL	Lamiaceae	G4G5	S1
Physostegia virginiana ssp. praemorsa	Obedient Plant	P-forb	2	FACW	Lamiaceae	G5T4T5Q	SE
Physostegia virginiana ssp. virginiana	Obedient Plant	P-forb	1	OBL	Lamiaceae	G5T5	S4
Phytolacca americana var, americana	Pokeweed	P-forb	3	FAC	Phytolaccaceae	G5T5	S5
Picradeniopsis oppositifolia	False-bahia	P-forb	5	UPL	Asteraceae	G5?	S4
Pilea fontana	Northern Clearweed	A-forb	1	OBL	Urticaceae	G5	S5
Pilea pumila	Woodland Clearweed	A-forb	3	FAC	Urticaceae	G5	S5
Pilularia americana	Pillwort	Fern	1	OBL	Marsileaceae	G5	S1
Pinus flexilis	Limber Pine	Tree	5	UPL	Pinaceae	G5	S1
Pinus ponderosa var. scopulorum	Ponderosa Pine	Tree	4	FACU	Pinaceae	G5T5	S5
Piptatherum micranthum (Oryzopsis micrantha)	Little-seed Ricegrass	P-grass	5	UPL	Poaceae	G5	S5
Piptatherum racemosum (Oryzopsis racemosa)	Black-seed Ricegrass	P-grass	5	UPL	Poaceae	G5	S2
Plagiobothrys scouleri var. hispidulus	Popcorn-flower	A-forb	2	FACW	Boraginaceae	G5T5	S4?
Plantago aristata	Buckhorn Plantain	A-forb	5	UPL	Plantaginaceae	G5	S4?
Plantago elongata ssp. elongata	Slender Plantain	A-forb	3	FAC	Plantaginaceae	G4T4	S4?
Plantago eriopoda	Alkali Plantain	P-forb	3	FAC	Plantaginaceae	G5	S5?
Plantago lanceolata	English Plantain	P-forb	3	FAC	Plantaginaceae	G5	SE
Plantago major	Common Plantain	P-forb	3	FAC	Plantaginaceae	G5	SE
Plantago patagonica var. patagonica	Woolly Plantain	A-forb	5	UPL	Plantaginaceae	G5TNR	S5
Plantago patagonica var. spinulosa	Woolly Plantain	A-forb	5	UPL	Plantaginaceae	G5TNR	S3?
Plantago rhodosperma	Red-seed Plantain	A-forb	4	FACU	Plantaginaceae	GNR	S1
Plantago rugelii	American Plantain	P-forb	3	FAC	Plantaginaceae	G5	S5
Plantago virginica	Pale-seed Plantain	A-forb	4	FACU	Plantaginaceae	G5	S5
Platanthera aquilonis (Habenaria hyperborea, in part)	Northern Green Orchid	P-forb	2	FACW	Orchidaceae	GNR	S3
Platanthera praeclara (Habenaria leucophaea, in part)	Western Prairie Fringed Orchid	P-forb	3	FAC	Orchidaceae	G2	S3
Platanus occidentalis	Sycamore	Tree	3	FAC	Platanaceae	G5	S4?
Poa annua	Annual Bluegrass	A-grass	4	FACU	Poaceae	GNR	SE
Poa arida	Plains Bluegrass	P-grass	3	FAC	Poaceae	G5	S5?
Poa bulbosa	Bulbous Bluegrass	P-grass	5	UPL	Poaceae	GNR	SE
Poa chapmaniana	Chapman's Bluegrass	A-grass	5	UPL	Poaceae	G5	S1
Poa compressa	Canada Bluegrass	P-grass	4	FACU	Poaceae	GNR	SE
Poa fendleriana ssp. fendleriana	Mutton Grass	P-grass	5	UPL	Poaceae	G5T5	S1
Poa fendleriana ssp. longiligula	Mutton Grass	P-grass	5	UPL	Poaceae	G5TNR	S4?
Poa glaucifolia	Glaucous Bluegrass	P-grass	3	FAC	Poaceae	GNR	S4?
Poa interior	Forest Bluegrass	P-grass	5	UPL	Poaceae	G5	S2?
Poa juncifolia	Alkali Bluegrass	P-grass	3	FAC	Poaceae	GNR	S5
Poa palustris	Marsh Bluegrass	P-grass	4	FACU	Poaceae	G5	S4?
Poa pratensis	Kentucky Bluegrass	P-grass	4	FACU	Poaceae	G5	SE
Poa secunda (including P. canbyi, P. sandbergii)	Curly Bluegrass	P-grass	4	FACU	Poaceae	G5	S5
Poa sylvestris	Woodland Bluegrass	P-grass	3	FAC	Poaceae	G5	S4?
Poa trivialis	Rough Bluegrass	P-grass	2	FACW	Poaceae	GNR	SE
Podophyllum peltatum	May Apple	P-forb	4	FACU	Berberidaceae	G5	S2
Polanisia dodecandra var. trachysperma	Clammyweed	A-forb	5	UPL	Cleomaceae	G5T5?	S5
Polanisia jamesii	James' Clammyweed	A-forb	5	UPL	Cleomaceae	G5	S5
Polemonium reptans	Creeping Polemonium	P-forb	3	FAC	Polemoniaceae	G5	S1
Polygala alba	White Milkwort	P-forb	5	UPL	Polygalaceae	G5	S5
Polygala sanguinea	Pink Milkwort	A-forb	3	FAC	Polygalaceae	G5	S4?
Polygala senega	Seneca Snakeroot	P-forb	4	FACU	Polygalaceae	G4G5	S1
Polygala verticillata	Whorled Milkwort	A-forb	3	FAC	Polygalaceae	G5	S5
Polygonatum biflorum	Solomon's Seal	P-forb	5	UPL	Ruscaceae	G5	S5
Polygonum achoreum	Leathery Knotweed	A-forb	3	FAC	Polygonaceae	G5	S5
Polygonum aviculare ssp. aviculare	Yard Knotweed	A-forb	2	FACW	Polygonaceae	GNRTNR	SE
Polygonum aviculare ssp. depressum (P. arenastrum)	Common Knotweed	A-forb	4	FACU	Polygonaceae	GNRTNR	SE
Polygonum aviculare ssp. neglectum (P. neglectum)	Narrow-leaf Knotweed	A-forb	4	FACU	Polygonaceae	GNRTNR	SE
Polygonum buxiforme	Saltmarsh Knotweed	A-forb	3	FAC	Polygonaceae	G5	S2?
Polygonum coccinea (P. amphibium var. emersum)	Swamp Smartweed	P-forb	2	FACW	Polygonaceae	G5	S5
Polygonum douglasii	Douglas' Slender Knotweed	A-forb	4	FACU	Polygonaceae	G5	S2
Polygonum erectum	Erect Knotweed	A-forb	1	OBL	Polygonaceae	G5	S1?
Polygonum prolificum (P. ramosissimum, in part)	Dwarf Bushy Knotweed	A-forb	2	FACW	Polygonaceae	G4G5	S4?
Polygonum ramosissimum	Bushy Knotweed	A-forb	3	FAC	Polygonaceae	G5	S5
Polygonum sawatchense ssp. sawatchense	Rocky Mountain Knotweed	A-forb	5	UPL	Polygonaceae	G4G5TNR	S2?
Polygonum tenue	Slender Knotweed	A-forb	5	UPL	Polygonaceae	G5	S4?
Polypogon monspeliensis	Rabbitfoot Grass	P-grass	1	OBL	Poaceae	GNR	SE
Polytaenia nuttallii	Prairie-parsley	P-forb	4	FACU	Apiaceae	G5	S4?
Pomaria jamesii (Caesalpinia jamesii)	James' Rushpea	Shrub	5	UPL	Fabaceae	G5	S1
Populus alba	Silver Poplar	Tree	5	UPL	Salicaceae	G5	SE
Populus angustifolia	Narrowleaf Cottonwood	Tree	2	FACW	Salicaceae	G5	S1
Populus deltoides var. occidentalis (P. deltoides ssp. monilifera)	Plains Cottonwood	Tree	3	FAC	Salicaceae	G5T5	S5
Populus tremuloides	Quaking Aspen	Tree	3	FAC	Salicaceae	G5	S2?
Populus Xacuminata (P. angustifolia X P. deltoides)	Smooth-bark Cottonwood	Tree	3	FAC	Salicaceae	GNA	S1
Populus Xsmithii (P. grandidentata X P. tremuloides)	Hybrid Aspen	Tree	3	FAC	Salicaceae	GNA	S1
Portulaca grandiflora	Moss-rose	A-forb	5	UPL	Portulacaceae	GNR	SNR
Portulaca oleracea	Common Purslane	A-forb	3	FAC	Portulacaceae	GNR	S5
Portulaca pilosa (Portulaca mundula)	Hairy Purslane	A-forb	5	UPL	Portulacaceae	G5	S1
Potamogeton amplifolius	Largeleaf Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S1
Potamogeton crispus	Curly Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	SE
Potamogeton diversifolius	Water-thread Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S2
Potamogeton foliosus var. foliosus	Leafy Pondweed	P-forb	1	OBL	Potamogetonaceae	G5T5	S5
Potamogeton friesii	Flat-stalk Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S2
Potamogeton gramineus	Variable Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S4?
Potamogeton illinoensis	Illinois Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S4?
Potamogeton natans	Floating-leaf Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S5?
Potamogeton nodosus	Longleaf Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S5
Potamogeton praelongus	White-stem Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S1
Potamogeton pusillus	Small Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S5
Potamogeton richardsonii	Clasping-leaf Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S5
Potamogeton strictifolius	Straight-leaf Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S1
Potamogeton zosteriformis	Flat-stem Pondweed	P-forb	1	OBL	Potamogetonaceae	G5	S4?
Potentilla anserina	Silverweed	P-forb	1	OBL	Rosaceae	G5	S1
Potentilla argentea var. argentea	Silver Cinquefoil	P-forb	4	FACU	Rosaceae	GNRTNR	SE
Potentilla bipinnatifida (P. pensylvanica, in part)	Tansy Cinquefoil	P-forb	5	UPL	Rosaceae	G5?	S2?
Potentilla effusa (P. hippiana, in part)	Woolly Cinquefoil	P-forb	5	UPL	Rosaceae	G5?	S2
Potentilla indica (Duchesnea indica)	Mock Strawberry	P-forb	3	FAC	Rosaceae	G5	SE
Potentilla norvegica	Norwegian Cinquefoil	P-forb	3	FAC	Rosaceae	G5	S5
Potentilla paradoxa	Bushy Cinquefoil	A-forb	3	FAC	Rosaceae	G5	S5
Potentilla pensylvanica	Pennslyvania Cinquefoil	P-forb	5	UPL	Rosaceae	G5	S5
Potentilla plattensis	Platte River Cinquefoil	P-forb	2	FACW	Rosaceae	G4	S1
Potentilla recta	Sulfur Cinquefoil	P-forb	5	UPL	Rosaceae	GNR	SE
Potentilla rivalis	Brook Cinquefoil	A-forb	2	FACW	Rosaceae	G5	S5
Potentilla simplex	Oldfield Cinquefoil	P-forb	5	UPL	Rosaceae	G5	S1
Prenanthes aspera	Rough Rattlesnake-root	P-forb	5	UPL	Asteraceae	G4?	S4?
Prenanthes racemosa var. multiflora (P. racemosa ssp. multiflora)	Purple Rattlesnake-root	P-forb	3	FAC	Asteraceae	G5T4?	S1
Proboscidea louisianica	Devil's Claw	A-forb	4	FACU	Martyniaceae	GU	SE
Prosartes trachycarpa (Disporum trachycarpum)	Fairybells	P-forb	5	UPL	Liliaceae	G5	S1
Prunella vulgaris var. lanceolata	Self-heal	P-forb	3	FAC	Lamiaceae	G5T5	S5
Prunella vulgaris var. vulgaris	Lawn Prunella	P-forb	2	FACW	Lamiaceae	G5TNR	SE
Prunus americana	Wild Plum	Shrub	5	UPL	Rosaceae	G5	S5
Prunus angustifolia	Chickasaw Plum	Shrub	5	UPL	Rosaceae	G5	S1
Prunus hortulana	Goose Plum	Shrub	5	UPL	Rosaceae	G4?	S1
Prunus mexicana	Big-tree Plum	Shrub	5	UPL	Rosaceae	G4G5	S2?
Prunus pumila var. besseyi	Sand Cherry	Shrub	5	UPL	Rosaceae	G5T3T5	S5
Prunus serotina	Wild Black Cherry	Shrub	4	FACU	Rosaceae	G5	S5
Prunus virginiana	Choke Cherry	Shrub	4	FACU	Rosaceae	G5	S5
Pseudognaphalium jaliscense	Jalisco Cudweed	B-forb	5	UPL	Asteraceae	GNR	S4
Pseudognaphalium obtusifolium (Gnaphalium obtusifolium)	Old Field Balsam	B-forb	5	UPL	Asteraceae	G5	S5
Pseudognaphalium stramineum (Gnaphalium chilense)	Cotton-batting Cudweed	B-forb	2	FACW	Asteraceae	G5	S3?
Psoralidium floribundum (Psoralea tenuiflora var. floribunda)	Many-flower Scurfpea	P-forb	5	UPL	Fabaceae	GNR	S5?
Psoralidium lanceolatum (Psoralea lanceolatum)	Lemon Scurfpea	P-forb	5	UPL	Fabaceae	G5	S5
Psoralidium tenuiflorum (Psoralea tenuiflora var. tenuiflora)	Slender-flower Scurfpea	P-forb	5	UPL	Fabaceae	G5	S5
Ptelea trifoliata	Hop Tree	Shrub	5	UPL	Rutaceae	G5	SE
Pterospora andromedea	Pine-drops	P-forb	5	UPL	Ericaceae	G5	S2
Puccinellia distans	Spreading Alkali Grass	A-grass	1	OBL	Poaceae	G5	SE
Puccinellia nuttalliana	Nuttall's Alkali Grass	A-grass	1	OBL	Poaceae	G5	S5
Pueraria montana var. lobata	Kudzu	P-vine	5	UPL	Fabaceae	GNRTNR	SE
Pycnanthemum tenuifolium	Slender Mountain-mint	P-forb	4	FACU	Lamiaceae	G5	S1
Pycnanthemum verticillatum var. pilosum	Hairy Mountain-mint	P-forb	5	UPL	Lamiaceae	G5T5	S1
Pycnanthemum virginianum	Virginia Mountain-mint	P-forb	3	FAC	Lamiaceae	G5	S5?
Pyrola chlorantha (P. virens)	Green-flower Wintergreen	P-forb	4	FACU	Ericaceae	G5	S1
Pyrola elliptica	Shinleaf	P-forb	5	UPL	Ericaceae	G5	S1
Pyrrhopappus carolinianus	Carolina False-dandelion	A-forb	5	UPL	Asteraceae	G5	S1
Pyrrhopappus grandiflorus	Tuberous False-dandelion	P-forb	5	UPL	Asteraceae	G5	S1

Nebraska Invasive Species Project

Monitoring Mapping Risk and Management

Vascular Plants of Nebraska

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