Pacific Island Ecosystems at Risk (PIER)
Risk Assessments
Risk assessments for species beginning with
the letters "P" and "Q":
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 |
Rubiaceae |
maile pilau |
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 |
Poaceae |
seashore paspalum |
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 |
Passifloraceae |
crimson passion flower |
Pacific |
11 |
high risk |
||
Paulownia elongata | Scrophulariaceae | paulownia | Assessment | Pacific | -1 | low risk |
Paulownia fortunei |
Scrophulariaceae |
empress diamond |
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 |
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 |
Poaceae |
fountain grass |
Pacific |
26 |
high risk |
||
Pennisetum setaceum | Poaceae | fountain grass | Assessment | U.S. (Florida) | 20 | reject |
Pennisetum villosum | Poaceae | feathertop | Assessment | Pacific | 24 | high risk |
Apocynaceae |
wild allamanda |
Pacific |
9 |
high risk |
||
Pentas lanceolata | Rubiaceae | Egyptian star cluster | Assessment | Pacific | 5 | evaluate |
Peperomia obtusifolia |
Piperaceae |
baby rubberplant |
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 |
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 |
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 |
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 |
Pinaceae |
Monterey pine |
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 | |
Fabaceae |
Madras thorn |
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 |
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 |
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 |
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 |
Pacific |
-2 |
low risk |
|
Podocarpus gracilior | Podocarpaceae | African fern pine |
Pacific |
0 |
low risk |
|
Podocarpus henkelii | Podocarpaceae | Henkel's yellow wood | Assessment | Pacific | 2 | evaluate |
Podocarpus macrophyllus | Podocarpaceae | Japanese yes |
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 |
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 |
Pacific |
7 |
high risk** |
|
Poranopsis paniculata | Convolvulaceae | bridal bouquet | 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 |
Pacific |
-2 |
low risk |
|
Potentilla verna |
Rosaceae |
spring cinquefoil |
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 |
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 |
Fabaceae |
thorny kiawe |
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 |
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 |
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 |
Pacific |
-3 |
low risk |
|
Fabaceae |
Burmese rosewood |
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 |
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 Hawaii).
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This page updated 1 February 2013