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

Pachypodium lamerei Apocynaceae Madagascar palm Assessment Pacific 1 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 1 evaluate
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 canariensis Arecaceae Canary Island palm Assessment Pacific 17 high risk
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 7 high risk
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 lucuma Sapotaceae lucmo Assessment Pacific -1 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).


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This page updated 1 February 2013