risk assessments

Pacific Island Ecosystems at Risk (PIER)

Risk Assessments
Risk assessments for species beginning with the letters "P" and "Q":

Information on Risk Assessments

Scientific Name Family Common name Risk assessment Country or Area Score Recommendation

Pachira aquatica Bombaceae Malabar chestnut Assessment
Pacific

-6

low risk

Pachystachys lutea Acanthaceae yellow shrimp plant Assessment Pacific -4 low risk

Paederia cruddasiana Rubiaceae sewervine Assessment U.S. (Florida) 2 evaluate

Paederia foetida

Rubiaceae

maile pilau

Assessment

Pacific

21

high risk

Paederia foetida Rubiaceae skunk vine Assessment U.S. (Florida) 19 reject

Pandanus pygmaeus Pandanaceae small screwpine Assessment Pacific 0 low risk

Pandorea jasminoides Bignoniaceae jasmin pandorea Assessment Pacific 0 low risk

Panicum maximum Poaceae Guinea grass Assessment Pacific 17 high risk

Panicum maximum var. jacq Poaceae Guinea grass Assessment Australia 6 reject

Panicum maximum var. trichoglume Poaceae Guinea grass Assessment Australia 16 reject

Panicum repens Poaceae torpedo grass Assessment Australia 9 more information

Panicum virgatum Poaceae switchgrass Assessment Pacific 11 high risk

Papaver oreophilum Papaveraceae Assessment U.S. (Florida) 2 accept*

Pararchidendron pruinosum Fabaceae snowwood Assessment Pacific 1 evaluate

Paraserianthes lophantha Fabaceae mountain albizia Assessment Pacific 10.5 high risk

Parkia speciosa Fabaceae petai Assessment Pacific -3 low risk

Parkinsonia aculeata Fabaceae parkinsonia Assessment Australia 15 reject

Parkinsonia aculeata Fabaceae parkinsonia Assessment Pacific 20 high risk

Parkinsonia aculeata Fabaceae parkinsonia Assessment U.S. (Florida) 18 reject

Parmentiera aculeata Bignoniaceae cucumber tree Assessment Pacific 9 high risk

Parmentiera cereifera Bignoniaceae candle tree Assessment Pacific -1 low risk

Parthenium hysterophorus Asteraceae parthenium weed Assessment Australia 18 reject

Paspalum conjugatum Poaceae T grass Assessment Pacific 28 high risk

Paspalum dilatatum Poaceae dallis grass Assessment Australia 9 reject

Paspalum dilatatum Poaceae dallis grass Assessment Pacific 12 high risk

Paspalum notatum Poaceae Bahia grass Assessment Pacific 16 high risk

Paspalum paniculatum Poaceae Russell river grass Assessment Australia 9 reject

Paspalum urvillei Poaceae Vasey grass Assessment U.S. (Florida) 13 reject

Paspalum vaginatum

Poaceae

seashore paspalum

Assessment

Pacific

7

high risk

Passiflora biflora
Passifloraceae
twin-flowered passion vine Assessment U.S. (Florida) 5 accept

Passiflora coriacea Passifloraceae bat-leafed passion flower Assessment U.S. (Florida) 2 evaluate

Passiflora edulis Passifloraceae purple granadilla Assessment Pacific 6 low risk*

Passiflora foetida Passifloraceae stinking passionflower Assessment Pacific 26 high risk

Passiflora incarnata Passifloraceae maypop passionflower Assessment Australia 8 reject

Passiflora mexicana Passifloraceae Mexican passiflora Assessment Pacific 4 evaluate

Passiflora quadrangularis Passifloraceae giant granadilla Assessment Pacific 11 high risk

Passiflora rubra Passifloraceae red passionfruit Assessment Pacific 9 high risk

Passiflora suberosa Passifloraceae corky passionflower Assessment Pacific 12 high risk

Passiflora tarminiana Passifloraceae banana poka Assessment Pacific 24 high risk

Passiflora vitifolia

Passifloraceae

crimson passion flower

Assessment

Pacific

11

high risk

Paulownia elongata Scrophulariaceae paulownia Assessment Pacific -1 low risk

Paulownia fortunei

Scrophulariaceae

empress diamond

Assessment

Pacific

1

low risk*

Paulownia kawakamii Scrophulariaceae kawakami paulownia Assessment Pacific - low risk

Paulownia tomentosa Scrophulariaceae paulownia Assessment Australia 7 reject

Paulownia tomentosa Scrophulariaceae paulownia Assessment Pacific 9 high risk

Pavonia dasypetala Malvaceae pavonia Assessment U.S. (Florida) -2 accept

Pedilanthus tithymaloides Euphorbiaceae milkbush Assessment Pacific 7 high risk

Pelargonium peltatum

Geraniaceae

ivyleaf geranium

Assessment

Pacific

0

low risk

Pellionia repens Urticaceae trailing watermelon begonia Assessment Pacific -2 low risk

Peltogyne purpurea Fabaceae purpleheart Assessment Pacific -2 low risk

Peltophorum pterocarpum Fabaceae yellow flame tree Assessment Pacific -4 low risk

Pennisetum clandestinum Poaceae kikuyu grass Assessment Australia 12 reject

Pennisetum clandestinum Poaceae kikuyu grass Assessment Pacific 18 high risk

Pennisetum glaucum Poaceae pearl millet Assessment Pacific 12 high risk

Pennisetum glaucum var. 'purple majesty' Poaceae ornamental pearl millet Assessment Pacific 3 low risk*

Pennisetum macrourum Poaceae African feathergrass Assessment Australia 26 reject

Pennisetum petiolare Poaceae petioled fountaingrass Assessment Pacific 7 high risk

Pennisetum polystachion Poaceae mission grass Assessment Australia 11 reject

Pennisetum purpureum Poaceae elephant grass Assessment Australia 10 reject

Pennisetum purpureum Poaceae elephant grass Assessment Pacific 16 high risk

Pennisetum purpureum Poaceae elephant grass Assessment U.S. 18 reject

Pennisetum purpureum Poaceae elephant grass Assessment U.S. (Florida) 18 reject

Pennisetum setaceum

Poaceae

fountain grass

Assessment

Pacific

26

high risk

Pennisetum setaceum Poaceae fountain grass Assessment U.S. (Florida) 20 reject

Pennisetum villosum Poaceae feathertop Assessment Pacific 24 high risk

Pentalinon luteum

Apocynaceae

wild allamanda

Assessment

Pacific

9

high risk

Pentas lanceolata Rubiaceae Egyptian star cluster Assessment Pacific 5 evaluate

Peperomia obtusifolia

Piperaceae

baby rubberplant

Assessment

Pacific

-4

low risk

Pereskia aculeata Cactaceae Barbados gooseberry Assessment Pacific 13 high risk

Pereskia bleo Cactaceae wax rose Assessment Pacific 0 low risk

Pereskia grandifolia Cactaceae rose cactus Assessment Pacific 0 low risk

Pereskia lychnidiflora Cactaceae arbol del matrimonio Assessment Pacific -1 low risk

Persea americana Lauraceae avocado Assessment Pacific 3 low risk*

Persicaria capitata Polygonaceae pink knotweed Assessment Pacific 13 high risk

Persicaria chinensis Polygonaceae Chinese knotweed Assessment Pacific 14 high risk

Persicaria microcephala Polygonaceae fleeceflower Assessment U.S. (Florida) 0 accept

Persicaria tectoria Polygonaceae Chinese indigo Assessment Pacific 4 low risk*

Petrea volubilis

Verbenaceae

sandpaper vine

Assessment

Pacific

-1

low risk

Petroselinum crispum Apiaceae parsley Assessment Pacific -1 low risk

Phacelia tanacetifolia Boraginaceae phacelia Assessment Pacific 5 evaluate

Philadelphus karwinskyanus Hydrangeaceae evergreen mock orange Assessment Pacific 7 high risk

Philodendron scandens

Araceae

heart-leaf philodendron

Assessment

Pacific

-3

low risk

Philodendron scandens Araceae heart-leaf philodendron Assessment U.S. (Florida) 0 accept

Phoenix dactylifera Arecaceae date palm Assessment Pacific 10 high risk

Phoenix reclinata Arecaceae Senegal date palm Assessment U.S. (Florida) 5 evaluate

Phoenix roebelenii

Arecaceae

pygmy date palm

Assessment

Pacific

-5

low risk

Phoenix roebelenii Arecaceae pygmy date palm Assessment U.S. (Florida) 5 evaluate

Phormium tenax Agavaceae New Zealand flax Assessment Pacific 8 high risk

Photinia davidiana Rosaceae photinia Assessment Pacific -2 low risk

Phyla nodiflora Verbenaceae matchweed Assessment Pacific 5 high risk*

Phyllanthus acidus Euphorbiaceae gooseberry-tree Assessment Pacific 4 low risk*

Phyllanthus reticulatus Euphorbiaceae potato bush Assessment Pacific 12 high risk

Phyllanthus urinaria Euphorbiaceae common leafflower Assessment Australia 12 reject

Phyllanthus urinaria Euphorbiaceae chamberbitter Assessment U.S. (Florida) 13 reject

Phyllostachys aurea Poaceae golden bamboo Assessment Pacific 9 high risk

Phyllostachys nigra Poaceae black bamboo Assessment Pacific 12 high risk

Phymatosorus scolopendria Polypodiaceae monarch fern Assessment Pacific 6 evaluate**

Phytolacca dioica Phytolaccaeae ombu Assessment Pacific 9 high risk

Picea engelmannii Pinaceae Engelmann spruce Assessment Pacific -0.5 low risk

Picea pungens Pinaceae Colorado blue spruce Assessment Pacific 1 evaluate

Pilea cadierei Urticaceae aluminum plant Assessment Pacific -5 low risk

Pilea hyalina Urticaceae virdrillo Assessment Pacific 8 high risk

Pilea microphylla Urticaceae artillery plant Assessment Pacific 6 evaluate

Pilea nummulariifolia Urticaceae creeping Charlie Assessment Pacific 0 low risk

Pilea nummulariifolia Urticaceae creeping Charlie Assessment U.S. (Florida) 11 reject

Pimenta dioica Myrtaceae pimento Assessment Pacific 7 high risk

Pimenta racemosa Myrtaceae bay tree Assessment Pacific 7 high risk

Pinanga coronata Arecaceae ivory cane palm Assessment Pacific 2 evaluate

Pinellia peltata Araceae Assessment U.S. (Florida) 3 accept*

Pinus elliottii Pinaceae slash pine Assessment Pacific 2 evaluate

Pinus nigra Pinaceae black pine Assessment Pacific 7 high risk

Pinus radiata

Pinaceae

Monterey pine

Assessment

Pacific

5

evaluate

Pinus strobus Pinaceae white pine Assessment Pacific 9 high risk

Pinus taeda Pinaceae loblolly pine Assessment Pacific 7 high risk

Pinus thunbergii Pinaceae Japanese black pine Assessment Pacific 8 high risk

Piper aduncum Piperaceae spiked pepper Assessment Pacific 18 high risk

Piper auritum Piperaceae eared pepper Assessment Pacific 10 high risk

Piper methysticum Piperaceae kava Assessment Pacific -4 low risk*

Piptatherum miliaceum Poaceae rice millet Assessment Pacific 7 high risk

Pistacia chinensis Anacardiaceae Chinese pistachio Assessment U.S. (Florida) 1 evaluate

Pistia stratiotes Araceae tropical duckweed Assessment Australia 18 reject

Pitcairnia karwinskyana Bromeliaceae Assessment U.S. (Florida) -3 accept

Pithecellobium dulce

Fabaceae

Madras thorn

Assessment

Pacific

14

high risk

Pittosporum resiniferum Pittosporaceae petroleum nut Assessment Pacific 6 evaluate

Pittosporum rubiginosum Pittosporaceae hairy red pittosporum Assessment U.S. (Florida) -3 accept

Pittosporum tobira Pittosporaceae Japanese cheesewood Assessment Pacific 3.5 evaluate

Pittosporum undulatum Pittosporaceae Victorian box Assessment Pacific 10 high risk

Pittosporum viridiflorum Pittosporaceae cape cheesewood Assessment Pacific 7 high risk

Pityrogramma calomelanos Pteridaceae silverback fern Assessment U.S. (Florida) 12 reject

Platycladus orientalis

Cupressaceae

oriental arborvitae

Assessment

Pacific

-6

low risk

Plectranthus neochilus Lamiaceae spur flower Assessment Pacific 7 high risk

Plectranthus prostratus Lamiaceae pillow plant Assessment Pacific 5 low risk*

Pleiostachya pruinosa
Marantaceae prayer plant Assessment Pacific 2 low risk*

Plinia edulis
Myrtaceae Cambucá Assessment Pacific -3 low risk

Pluchea carolinensis Asteraceae sourbush Assessment Pacific 15 high risk

Pluchea indica Asteraceae Indian fleabane Assessment Pacific 11 high risk

Plumbago auriculata

Plumbaginaceae

cape leadwort

Assessment

Pacific

6

low risk*

Plumeria obtusa Apocynaceae evergreen frangipani Assessment
Pacific

-6

low risk

Plumeria pudica Apocynaceae fiddle-leaf plumeria Assessment Pacific -4 low risk

Plumeria rubra

Apocynaceae

frangipani

Assessment

Pacific

-5

low risk

Poa annua Poaceae annual bluegrass Assessment U.S. (Florida) 26 reject

Poa pratensis Poaceae Kentucky bluegrass Assessment Pacific 14 high risk

Poa pratensis Poaceae Kentucky bluegrass Assessment United States high risk

Podocarpus chinensis Podocarpaceae maki Assessment Pacific -4 low risk

Podocarpus elatus

Podocarpaceae

plum pine

Assessment

Pacific

-2

low risk

Podocarpus gracilior Podocarpaceae African fern pine
Assessment

Pacific

0

low risk

Podocarpus henkelii Podocarpaceae Henkel's yellow wood Assessment Pacific 2 evaluate

Podocarpus macrophyllus Podocarpaceae Japanese yes
Assessment

Pacific

-3

low risk

Podranea ricasoliana Bignoniaceae pink trumpet vine Assessment Pacific 3 evaluate

Polyalthia longifolia var. pendula Annonaceae mast tree Assessment Pacific -4 low risk

Polygonatum kingianum Asparagaceae Assessment U.S. (Florida) 1 accept*

Polypogon monspeliensis Poaceae rabbitfoot grass Assessment Pacific 18 high risk

Polyscias cumingiana Araliaceae fern-leaf aralia Assessment Pacific 3 evaluate

Polyscias fruticosa

Arailiaceae

Ming Aralia

Assessment

Pacific

-1

low risk

Polyscias guilfoylei Arailiaceae coffeetree Assessment Pacific 0 low risk

Polyscias nodosa Arailiaceae dog-bone tree Assessment Pacific 0 low risk

Pongamia pinnata

Fabaceae

Indian beech

Assessment

Pacific

7

high risk**

Poranopsis paniculata Convolvulaceae bridal bouquet
Assessment
Pacific -5 low risk

Portlandia grandiflora Rubiaceae bellflower Assessment Pacific -4 low risk

Portulaca grandiflora Portulacaceae moss-rose Assessment Pacific 9 high risk

Portulaca oleracea Portulacaceae common purslane Assessment U.S. (Florida) 23 reject

Portulacaria afra Didiereaceae Dwarf Jade Plant Assessment Pacific 5 evaluate

Posoqueria latifolia

Rubiaceae

monkey apple

Assessment

Pacific

-2

low risk

Potentilla verna

Rosaceae

spring cinquefoil

Assessment

Pacific

-2

low risk

Pouteria caimito Sapotaceae caimito Assessment Pacific -4 low risk

Pouteria campechiana Sapotaceae yellow sapote Assessment Pacific -3 low risk

Pouteria sapota Sapotaceae mamey sapote Assessment U.S. (Florida) -3 accept

Praxelis clematidea Asteraceae praxelis Assessment Pacific 25 high risk

Premna odorata Verbenaceae alagau Assessment Pacific -1 low risk

Pritchardia pacifica

Arecaceae

Fiji fan palm

Assessment

Pacific

-4

low risk

Pritchardia thurstonii Arecaceae Thurston's fan palm Assessment Pacific -4 low risk

Prosopis glandulosa Fabaceae honey mesquite Assessment Pacific 19 high risk

Prosopis juliflora

Fabaceae

thorny kiawe

Assessment

Pacific

19

high risk

Prosopis pallida Fabaceae mesquite Assessment Australia 20 reject

Protium glabrum Burseraceae Assessment U.S. (Florida) -4 accept

Prunus cerasifera Rosaceae cherry plum Assessment Pacific 8 high risk

Prunus grisea Rosaceae amongyang Assessment Pacific 2 evaluate

Pseuderanthemum carruthersii Acanthaceae false eranthemum Assessment Pacific 1 low risk*

Pseuderanthemum graciliflorum Acanthaceae blue crossandra Assessment Pacific 1 low risk*

Pseudobombax ellipticum

Bombacaceae

shavingbrush tree

Assessment

Pacific

-2

low risk

Pseudodracontium harmandii Araceae Assessment U.S. (Florida) 0 accept

Pseudogynoxys chenopodioides Asteraceae Mexican flame vine Assessment Pacific 7 high risk

Pseudomussaenda flava

Rubiaceae

dwarf yellow mussaenda

Assessment

Pacific

-6

low risk

Pseudosamanea guachapele Fabaceae chime tree Assessment Pacific 0 low risk

Pseudotsuga menziesii Pinace Douglas-fir Assessment Pacific 5.5 evaluate

Psidium cattleianum Myrtaceae strawberry guava Assessment Pacific 18 high risk

Psidium guajava Myrtaceae guava Assessment Pacific 21 high risk

Psidium guineense Myrtaceae Guinea guava Assessment Pacific 7 high risk

Psychotria carthagenensis Rubiaceae cafecillo Assessment Pacific 2 high risk*

Psychotria chiapensis Rubiaceae Assessment U.S. (Florida) -5 accept

Psychotria viridis Rubiaceae chacruna Assessment Pacific 0 low risk

Pteris multifida Pteridaceae spider brake Assessment U.S. (Florida) 9 reject

Pterocarpus dalbergioides

Fabaceae

Andaman redwood

Assessment

Pacific

-3

low risk

Pterocarpus indicus

Fabaceae

Burmese rosewood

Assessment

Pacific

4

evaluate

Pterocarpus rohrii Fabaceae bloodwood Assessment Pacific 0 low risk

Pterolepis glomerata Melastomataceae false meadow beauty Assessment Pacific 11 high risk

Ptychosperma elegans Arecaceae Alexander palm Assessment Pacific 2 evaluate

Ptychosperma macarthurii Arecaceae Macarthur palm Assessment Pacific 1 high risk*

Pueraria montana var. lobata Fabaceae kudzu Assessment Australia 9 reject

Pueraria montana var. lobata Fabaceae kudzu Analysis
Report Europe prohibit introduction

Pueraria montana var. lobata Fabaceae kudzu Assessment Pacific 24 high risk

Pueraria phaseoloides Fabaceae tropical kudzu Assessment Australia 5 evaluate

Pueraria phaseoloides Fabaceae tropical kudzu Assessment Pacific 17 high risk

Pulsatilla violacea Ranunculaceae Assessment U.S. (Florida) 0 accept

Punica granatum Punicaceae pomegranate
Assessment

Pacific

3.5

low risk*

Pyracantha angustifolia Rosaceae firethorn Assessment Australia 18 reject

Pyracantha angustifolia Rosaceae firethorn Assessment Pacific 13 high risk

Pyracantha crenatoserrata Rosaceae firethorn Assessment Pacific 5 high risk*

Pyracantha koidzumii Rosaceae Fomosa firethorn Assessment Pacific 7 high risk

Pyrgophyllum yunnanensis Zingiberaceae Assessment U.S. (Florida) -2 accept

Pyrostegia venusta Bignoniaceae flame vine Assessment Pacific 7 high risk

Pyrrosia piloselloides Polypodiaceae dragons scale fern Assessment Pacific 6 high risk

*Accepted or rejected based on second screen.
**Native or early introduction in the Pacific region (excluding Hawai‘i).

Need more info? Have questions? Comments? Information to contribute? Contact PIER!

[Return to WRA page] [ Return to PIER homepage ]

This page updated 26 October 2012

Scientific Name	Family	Common name	Risk assessment	Country or Area	Score	Recommendation
Pachira aquatica	Bombaceae	Malabar chestnut	Assessment	Pacific	-6	low risk
Pachystachys lutea	Acanthaceae	yellow shrimp plant	Assessment	Pacific	-4	low risk
Paederia cruddasiana	Rubiaceae	sewervine	Assessment	U.S. (Florida)	2	evaluate
*Paederia foetida*	Rubiaceae	maile pilau	Assessment	Pacific	21	high risk
*Paederia foetida*	Rubiaceae	skunk vine	Assessment	U.S. (Florida)	19	reject
*Pandanus pygmaeus*	Pandanaceae	small screwpine	Assessment	Pacific	0	low risk
*Pandorea jasminoides*	Bignoniaceae	jasmin pandorea	Assessment	Pacific	0	low risk
Panicum maximum	Poaceae	Guinea grass	Assessment	Pacific	17	high risk
Panicum maximum var. jacq	Poaceae	Guinea grass	Assessment	Australia	6	reject
Panicum maximum var. trichoglume	Poaceae	Guinea grass	Assessment	Australia	16	reject
Panicum repens	Poaceae	torpedo grass	Assessment	Australia	9	more information
Panicum virgatum	Poaceae	switchgrass	Assessment	Pacific	11	high risk
Papaver oreophilum	Papaveraceae		Assessment	U.S. (Florida)	2	accept*
Pararchidendron pruinosum	Fabaceae	snowwood	Assessment	Pacific	1	evaluate
*Paraserianthes lophantha*	Fabaceae	mountain albizia	Assessment	Pacific	10.5	high risk
*Parkia speciosa*	Fabaceae	petai	Assessment	Pacific	-3	low risk
Parkinsonia aculeata	Fabaceae	parkinsonia	Assessment	Australia	15	reject
Parkinsonia aculeata	Fabaceae	parkinsonia	Assessment	Pacific	20	high risk
Parkinsonia aculeata	Fabaceae	parkinsonia	Assessment	U.S. (Florida)	18	reject
Parmentiera aculeata	Bignoniaceae	cucumber tree	Assessment	Pacific	9	high risk
Parmentiera cereifera	Bignoniaceae	candle tree	Assessment	Pacific	-1	low risk
Parthenium hysterophorus	Asteraceae	parthenium weed	Assessment	Australia	18	reject
Paspalum conjugatum	Poaceae	T grass	Assessment	Pacific	28	high risk
Paspalum dilatatum	Poaceae	dallis grass	Assessment	Australia	9	reject
Paspalum dilatatum	Poaceae	dallis grass	Assessment	Pacific	12	high risk
Paspalum notatum	Poaceae	Bahia grass	Assessment	Pacific	16	high risk
Paspalum paniculatum	Poaceae	Russell river grass	Assessment	Australia	9	reject
Paspalum urvillei	Poaceae	Vasey grass	Assessment	U.S. (Florida)	13	reject
*Paspalum vaginatum*	Poaceae	seashore paspalum	Assessment	Pacific	7	high risk
Passiflora biflora	Passifloraceae	twin-flowered passion vine	Assessment	U.S. (Florida)	5	accept
Passiflora coriacea	Passifloraceae	bat-leafed passion flower	Assessment	U.S. (Florida)	2	evaluate
Passiflora edulis	Passifloraceae	purple granadilla	Assessment	Pacific	6	low risk*
Passiflora foetida	Passifloraceae	stinking passionflower	Assessment	Pacific	26	high risk
Passiflora incarnata	Passifloraceae	maypop passionflower	Assessment	Australia	8	reject
Passiflora mexicana	Passifloraceae	Mexican passiflora	Assessment	Pacific	4	evaluate
Passiflora quadrangularis	Passifloraceae	giant granadilla	Assessment	Pacific	11	high risk
Passiflora rubra	Passifloraceae	red passionfruit	Assessment	Pacific	9	high risk
Passiflora suberosa	Passifloraceae	corky passionflower	Assessment	Pacific	12	high risk
Passiflora tarminiana	Passifloraceae	banana poka	Assessment	Pacific	24	high risk
Passiflora vitifolia	Passifloraceae	crimson passion flower	Assessment	Pacific	11	high risk
*Paulownia elongata*	Scrophulariaceae	paulownia	Assessment	Pacific	-1	low risk
*Paulownia fortunei*	Scrophulariaceae	empress diamond	Assessment	Pacific	1	low risk*
*Paulownia kawakamii*	Scrophulariaceae	kawakami paulownia	Assessment	Pacific	-	low risk
Paulownia tomentosa	Scrophulariaceae	paulownia	Assessment	Australia	7	reject
Paulownia tomentosa	Scrophulariaceae	paulownia	Assessment	Pacific	9	high risk
Pavonia dasypetala	Malvaceae	pavonia	Assessment	U.S. (Florida)	-2	accept
Pedilanthus tithymaloides	Euphorbiaceae	milkbush	Assessment	Pacific	7	high risk
*Pelargonium peltatum*	Geraniaceae	ivyleaf geranium	Assessment	Pacific	0	low risk
*Pellionia repens*	Urticaceae	trailing watermelon begonia	Assessment	Pacific	-2	low risk
*Peltogyne purpurea*	Fabaceae	purpleheart	Assessment	Pacific	-2	low risk
Peltophorum pterocarpum	Fabaceae	yellow flame tree	Assessment	Pacific	-4	low risk
Pennisetum clandestinum	Poaceae	kikuyu grass	Assessment	Australia	12	reject
Pennisetum clandestinum	Poaceae	kikuyu grass	Assessment	Pacific	18	high risk
Pennisetum glaucum	Poaceae	pearl millet	Assessment	Pacific	12	high risk
Pennisetum glaucum var. 'purple majesty'	Poaceae	ornamental pearl millet	Assessment	Pacific	3	low risk*
Pennisetum macrourum	Poaceae	African feathergrass	Assessment	Australia	26	reject
Pennisetum petiolare	Poaceae	petioled fountaingrass	Assessment	Pacific	7	high risk
Pennisetum polystachion	Poaceae	mission grass	Assessment	Australia	11	reject
Pennisetum purpureum	Poaceae	elephant grass	Assessment	Australia	10	reject
Pennisetum purpureum	Poaceae	elephant grass	Assessment	Pacific	16	high risk
Pennisetum purpureum	Poaceae	elephant grass	Assessment	U.S.	18	reject
Pennisetum purpureum	Poaceae	elephant grass	Assessment	U.S. (Florida)	18	reject
*Pennisetum setaceum*	Poaceae	fountain grass	Assessment	Pacific	26	high risk
*Pennisetum setaceum*	Poaceae	fountain grass	Assessment	U.S. (Florida)	20	reject
*Pennisetum villosum*	Poaceae	feathertop	Assessment	Pacific	24	high risk
Pentalinon luteum	Apocynaceae	wild allamanda	Assessment	Pacific	9	high risk
Pentas lanceolata	Rubiaceae	Egyptian star cluster	Assessment	Pacific	5	evaluate
*Peperomia obtusifolia*	Piperaceae	baby rubberplant	Assessment	Pacific	-4	low risk
*Pereskia aculeata*	Cactaceae	Barbados gooseberry	Assessment	Pacific	13	high risk
*Pereskia bleo*	Cactaceae	wax rose	Assessment	Pacific	0	low risk
*Pereskia grandifolia*	Cactaceae	rose cactus	Assessment	Pacific	0	low risk
*Pereskia lychnidiflora*	Cactaceae	arbol del matrimonio	Assessment	Pacific	-1	low risk
Persea americana	Lauraceae	avocado	Assessment	Pacific	3	low risk*
Persicaria capitata	Polygonaceae	pink knotweed	Assessment	Pacific	13	high risk
Persicaria chinensis	Polygonaceae	Chinese knotweed	Assessment	Pacific	14	high risk
Persicaria microcephala	Polygonaceae	fleeceflower	Assessment	U.S. (Florida)	0	accept
*Persicaria tectoria*	Polygonaceae	Chinese indigo	Assessment	Pacific	4	low risk*
*Petrea volubilis*	Verbenaceae	sandpaper vine	Assessment	Pacific	-1	low risk
Petroselinum crispum	Apiaceae	parsley	Assessment	Pacific	-1	low risk
Phacelia tanacetifolia	Boraginaceae	phacelia	Assessment	Pacific	5	evaluate
Philadelphus karwinskyanus	Hydrangeaceae	evergreen mock orange	Assessment	Pacific	7	high risk
Philodendron scandens	Araceae	heart-leaf philodendron	Assessment	Pacific	-3	low risk
Philodendron scandens	Araceae	heart-leaf philodendron	Assessment	U.S. (Florida)	0	accept
Phoenix dactylifera	Arecaceae	date palm	Assessment	Pacific	10	high risk
Phoenix reclinata	Arecaceae	Senegal date palm	Assessment	U.S. (Florida)	5	evaluate
*Phoenix roebelenii*	Arecaceae	pygmy date palm	Assessment	Pacific	-5	low risk
*Phoenix roebelenii*	Arecaceae	pygmy date palm	Assessment	U.S. (Florida)	5	evaluate
Phormium tenax	Agavaceae	New Zealand flax	Assessment	Pacific	8	high risk
Photinia davidiana	Rosaceae	photinia	Assessment	Pacific	-2	low risk
Phyla nodiflora	Verbenaceae	matchweed	Assessment	Pacific	5	high risk*
Phyllanthus acidus	Euphorbiaceae	gooseberry-tree	Assessment	Pacific	4	low risk*
Phyllanthus reticulatus	Euphorbiaceae	potato bush	Assessment	Pacific	12	high risk
Phyllanthus urinaria	Euphorbiaceae	common leafflower	Assessment	Australia	12	reject
Phyllanthus urinaria	Euphorbiaceae	chamberbitter	Assessment	U.S. (Florida)	13	reject
Phyllostachys aurea	Poaceae	golden bamboo	Assessment	Pacific	9	high risk
Phyllostachys nigra	Poaceae	black bamboo	Assessment	Pacific	12	high risk
*Phymatosorus scolopendria*	Polypodiaceae	monarch fern	Assessment	Pacific	6	evaluate**
Phytolacca dioica	Phytolaccaeae	ombu	Assessment	Pacific	9	high risk
Picea engelmannii	Pinaceae	Engelmann spruce	Assessment	Pacific	-0.5	low risk
Picea pungens	Pinaceae	Colorado blue spruce	Assessment	Pacific	1	evaluate
*Pilea cadierei*	Urticaceae	aluminum plant	Assessment	Pacific	-5	low risk
*Pilea hyalina*	Urticaceae	virdrillo	Assessment	Pacific	8	high risk
Pilea microphylla	Urticaceae	artillery plant	Assessment	Pacific	6	evaluate
Pilea nummulariifolia	Urticaceae	creeping Charlie	Assessment	Pacific	0	low risk
Pilea nummulariifolia	Urticaceae	creeping Charlie	Assessment	U.S. (Florida)	11	reject
Pimenta dioica	Myrtaceae	pimento	Assessment	Pacific	7	high risk
Pimenta racemosa	Myrtaceae	bay tree	Assessment	Pacific	7	high risk
Pinanga coronata	Arecaceae	ivory cane palm	Assessment	Pacific	2	evaluate
Pinellia peltata	Araceae		Assessment	U.S. (Florida)	3	accept*
Pinus elliottii	Pinaceae	slash pine	Assessment	Pacific	2	evaluate
Pinus nigra	Pinaceae	black pine	Assessment	Pacific	7	high risk
*Pinus radiata*	Pinaceae	Monterey pine	Assessment	Pacific	5	evaluate
*Pinus strobus*	Pinaceae	white pine	Assessment	Pacific	9	high risk
*Pinus taeda*	Pinaceae	loblolly pine	Assessment	Pacific	7	high risk
*Pinus thunbergii*	Pinaceae	Japanese black pine	Assessment	Pacific	8	high risk
Piper aduncum	Piperaceae	spiked pepper	Assessment	Pacific	18	high risk
Piper auritum	Piperaceae	eared pepper	Assessment	Pacific	10	high risk
*Piper methysticum*	Piperaceae	kava	Assessment	Pacific	-4	low risk*
*Piptatherum miliaceum*	Poaceae	rice millet	Assessment	Pacific	7	high risk
Pistacia chinensis	Anacardiaceae	Chinese pistachio	Assessment	U.S. (Florida)	1	evaluate
Pistia stratiotes	Araceae	tropical duckweed	Assessment	Australia	18	reject
Pitcairnia karwinskyana	Bromeliaceae		Assessment	U.S. (Florida)	-3	accept
*Pithecellobium dulce*	Fabaceae	Madras thorn	Assessment	Pacific	14	high risk
Pittosporum resiniferum	Pittosporaceae	petroleum nut	Assessment	Pacific	6	evaluate
Pittosporum rubiginosum	Pittosporaceae	hairy red pittosporum	Assessment	U.S. (Florida)	-3	accept
Pittosporum tobira	Pittosporaceae	Japanese cheesewood	Assessment	Pacific	3.5	evaluate
Pittosporum undulatum	Pittosporaceae	Victorian box	Assessment	Pacific	10	high risk
Pittosporum viridiflorum	Pittosporaceae	cape cheesewood	Assessment	Pacific	7	high risk
Pityrogramma calomelanos	Pteridaceae	silverback fern	Assessment	U.S. (Florida)	12	reject
*Platycladus orientalis*	Cupressaceae	oriental arborvitae	Assessment	Pacific	-6	low risk
Plectranthus neochilus	Lamiaceae	spur flower	Assessment	Pacific	7	high risk
*Plectranthus prostratus*	Lamiaceae	pillow plant	Assessment	Pacific	5	low risk*
*Pleiostachya pruinosa*	Marantaceae	prayer plant	Assessment	Pacific	2	low risk*
Plinia edulis	Myrtaceae	Cambucá	Assessment	Pacific	-3	low risk
Pluchea carolinensis	Asteraceae	sourbush	Assessment	Pacific	15	high risk
Pluchea indica	Asteraceae	Indian fleabane	Assessment	Pacific	11	high risk
*Plumbago auriculata*	Plumbaginaceae	cape leadwort	Assessment	Pacific	6	low risk*
Plumeria obtusa	Apocynaceae	evergreen frangipani	Assessment	Pacific	-6	low risk
*Plumeria pudica*	Apocynaceae	fiddle-leaf plumeria	Assessment	Pacific	-4	low risk
*Plumeria rubra*	Apocynaceae	frangipani	Assessment	Pacific	-5	low risk
Poa annua	Poaceae	annual bluegrass	Assessment	U.S. (Florida)	26	reject
Poa pratensis	Poaceae	Kentucky bluegrass	Assessment	Pacific	14	high risk
Poa pratensis	Poaceae	Kentucky bluegrass	Assessment	United States		high risk
*Podocarpus chinensis*	Podocarpaceae	maki	Assessment	Pacific	-4	low risk
*Podocarpus elatus*	Podocarpaceae	plum pine	Assessment	Pacific	-2	low risk
Podocarpus gracilior	Podocarpaceae	African fern pine	Assessment	Pacific	0	low risk
Podocarpus henkelii	Podocarpaceae	Henkel's yellow wood	Assessment	Pacific	2	evaluate
Podocarpus macrophyllus	Podocarpaceae	Japanese yes	Assessment	Pacific	-3	low risk
Podranea ricasoliana	Bignoniaceae	pink trumpet vine	Assessment	Pacific	3	evaluate
Polyalthia longifolia var. pendula	Annonaceae	mast tree	Assessment	Pacific	-4	low risk
Polygonatum kingianum	Asparagaceae		Assessment	U.S. (Florida)	1	accept*
Polypogon monspeliensis	Poaceae	rabbitfoot grass	Assessment	Pacific	18	high risk
Polyscias cumingiana	Araliaceae	fern-leaf aralia	Assessment	Pacific	3	evaluate
*Polyscias fruticosa*	Arailiaceae	Ming Aralia	Assessment	Pacific	-1	low risk
*Polyscias guilfoylei*	Arailiaceae	coffeetree	Assessment	Pacific	0	low risk
*Polyscias nodosa*	Arailiaceae	dog-bone tree	Assessment	Pacific	0	low risk
*Pongamia pinnata*	Fabaceae	Indian beech	Assessment	Pacific	7	high risk**
Poranopsis paniculata	Convolvulaceae	bridal bouquet	Assessment	Pacific	-5	low risk
*Portlandia grandiflora*	Rubiaceae	bellflower	Assessment	Pacific	-4	low risk
*Portulaca grandiflora*	Portulacaceae	moss-rose	Assessment	Pacific	9	high risk
Portulaca oleracea	Portulacaceae	common purslane	Assessment	U.S. (Florida)	23	reject
Portulacaria afra	Didiereaceae	Dwarf Jade Plant	Assessment	Pacific	5	evaluate
*Posoqueria latifolia*	Rubiaceae	monkey apple	Assessment	Pacific	-2	low risk
*Potentilla verna*	Rosaceae	spring cinquefoil	Assessment	Pacific	-2	low risk
*Pouteria caimito*	Sapotaceae	caimito	Assessment	Pacific	-4	low risk
*Pouteria campechiana*	Sapotaceae	yellow sapote	Assessment	Pacific	-3	low risk
Pouteria sapota	Sapotaceae	mamey sapote	Assessment	U.S. (Florida)	-3	accept
*Praxelis clematidea*	Asteraceae	praxelis	Assessment	Pacific	25	high risk
Premna odorata	Verbenaceae	alagau	Assessment	Pacific	-1	low risk
*Pritchardia pacifica*	Arecaceae	Fiji fan palm	Assessment	Pacific	-4	low risk
Pritchardia thurstonii	Arecaceae	Thurston's fan palm	Assessment	Pacific	-4	low risk
*Prosopis glandulosa*	Fabaceae	honey mesquite	Assessment	Pacific	19	high risk
Prosopis juliflora	Fabaceae	thorny kiawe	Assessment	Pacific	19	high risk
Prosopis pallida	Fabaceae	mesquite	Assessment	Australia	20	reject
Protium glabrum	Burseraceae		Assessment	U.S. (Florida)	-4	accept
Prunus cerasifera	Rosaceae	cherry plum	Assessment	Pacific	8	high risk
Prunus grisea	Rosaceae	amongyang	Assessment	Pacific	2	evaluate
Pseuderanthemum carruthersii	Acanthaceae	false eranthemum	Assessment	Pacific	1	low risk*
*Pseuderanthemum graciliflorum*	Acanthaceae	blue crossandra	Assessment	Pacific	1	low risk*
*Pseudobombax ellipticum*	Bombacaceae	shavingbrush tree	Assessment	Pacific	-2	low risk
Pseudodracontium harmandii	Araceae		Assessment	U.S. (Florida)	0	accept
Pseudogynoxys chenopodioides	Asteraceae	Mexican flame vine	Assessment	Pacific	7	high risk
Pseudomussaenda flava	Rubiaceae	dwarf yellow mussaenda	Assessment	Pacific	-6	low risk
*Pseudosamanea guachapele*	Fabaceae	chime tree	Assessment	Pacific	0	low risk
*Pseudotsuga menziesii*	Pinace	Douglas-fir	Assessment	Pacific	5.5	evaluate
Psidium cattleianum	Myrtaceae	strawberry guava	Assessment	Pacific	18	high risk
Psidium guajava	Myrtaceae	guava	Assessment	Pacific	21	high risk
Psidium guineense	Myrtaceae	Guinea guava	Assessment	Pacific	7	high risk
Psychotria carthagenensis	Rubiaceae	cafecillo	Assessment	Pacific	2	high risk*
Psychotria chiapensis	Rubiaceae		Assessment	U.S. (Florida)	-5	accept
*Psychotria viridis*	Rubiaceae	chacruna	Assessment	Pacific	0	low risk
Pteris multifida	Pteridaceae	spider brake	Assessment	U.S. (Florida)	9	reject
Pterocarpus dalbergioides	Fabaceae	Andaman redwood	Assessment	Pacific	-3	low risk
Pterocarpus indicus	Fabaceae	Burmese rosewood	Assessment	Pacific	4	evaluate
*Pterocarpus rohrii*	Fabaceae	bloodwood	Assessment	Pacific	0	low risk
*Pterolepis glomerata*	Melastomataceae	false meadow beauty	Assessment	Pacific	11	high risk
Ptychosperma elegans	Arecaceae	Alexander palm	Assessment	Pacific	2	evaluate
Ptychosperma macarthurii	Arecaceae	Macarthur palm	Assessment	Pacific	1	high risk*
Pueraria montana var. lobata	Fabaceae	kudzu	Assessment	Australia	9	reject
Pueraria montana var. lobata	Fabaceae	kudzu	Analysis Report	Europe		prohibit introduction
Pueraria montana var. lobata	Fabaceae	kudzu	Assessment	Pacific	24	high risk
Pueraria phaseoloides	Fabaceae	tropical kudzu	Assessment	Australia	5	evaluate
Pueraria phaseoloides	Fabaceae	tropical kudzu	Assessment	Pacific	17	high risk
Pulsatilla violacea	Ranunculaceae		Assessment	U.S. (Florida)	0	accept
Punica granatum	Punicaceae	pomegranate	Assessment	Pacific	3.5	low risk*
Pyracantha angustifolia	Rosaceae	firethorn	Assessment	Australia	18	reject
Pyracantha angustifolia	Rosaceae	firethorn	Assessment	Pacific	13	high risk
*Pyracantha crenatoserrata*	Rosaceae	firethorn	Assessment	Pacific	5	high risk*
Pyracantha koidzumii	Rosaceae	Fomosa firethorn	Assessment	Pacific	7	high risk
Pyrgophyllum yunnanensis	Zingiberaceae		Assessment	U.S. (Florida)	-2	accept
Pyrostegia venusta	Bignoniaceae	flame vine	Assessment	Pacific	7	high risk
Pyrrosia piloselloides	Polypodiaceae	dragons scale fern	Assessment	Pacific	6	high risk