| Botanical Name |
Authority |
| Pachycereus chrysomallus |
CITES |
| Pachycereus militaris (= chrysomallus) |
CITES |
| Pachypodium ambongense |
CITES |
| Pachypodium baronii |
CITES |
| Pachypodium decaryi |
CITES |
| Pachypodium windsorii |
CITES |
| Packera franciscana |
ESA-T |
| Packera (Senecio) layneae |
ESA-T |
| Pagetia (= Bosistoa) spp. |
Treatment |
| Pamburus spp. |
Treatment |
| Panamanthus spp. |
Parasitic |
| Panicum antidotale |
NAPPRA |
| Panicum fauriei v. carteri |
ESA-E |
| Panicum maximum v. maximum- trichoglume |
NAPPRA |
| Panicum millaceum |
NW |
| Panicum nihauense |
ESA-E |
| Panicum spp. |
NAPPRA |
| Panicum virgatum |
FSA-A |
| Papaver somniferum |
CBP-controlled |
| Paphiopedilum spp. |
CITES |
| Papuanthes spp. |
Parasitic |
| Parabambusa spp. |
NAPPRA |
| Paramignya spp. |
Treatment |
| Parasitaxis spp. |
Parasitic |
| Parasopubia spp. |
Parasitic |
| Parastriga spp. |
NW |
| Parentucellia spp. |
Parasitic |
| Parodia (= Uebelmannia) gummifera |
CITES |
| Paronychia chartacea (= Nyachia pulvinata) |
ESA-T |
| Parvisedum leiocarpum |
ESA-E |
| Pascopyrum smithii |
FSA-A |
| Paspalum dilatatum |
FSA-A |
| Paspalum notatum |
FSA-A |
| Paspalum scrobiculatum |
NW |
| Paspalum urvillei |
FSA-A |
| Passovia spp. |
Parasitic |
| Pastinaca sativa |
FSA-V |
| Paysonia (Lesquerella) lyrata |
ESA-T |
| Paysonia (Lesquerella) perforata |
ESA-E |
| Pectis imberbis |
ESA-E |
| Pedicularis furbishiae |
ESA-T |
| Pedicularis spp. |
Parasitic |
| Pediocactus bradyi |
CITES |
| Pediocactus (= Sclerocactus) fickelsenii |
CITES |
| Pediocactus knowltonii |
CITES |
| Pediocactus despainii |
ESA-E |
| Pediocactus paradinei |
CITES |
| Pediocactus peeblesianus var. peeblesianus |
CITES |
| Pediocactus peeblesianus ssp. fickeisenae |
CITES |
| Pediocactus sileri |
CITES |
| Pediocactus (= Sclerocactus) simpsonii |
CITES |
| Pediocactus (= Sclerocactus) wrightiae |
CITES |
| Pediocactus (= Echinocactus Utahia) sileri |
CITES |
| Pediocactus bradyi |
ESA-E CITES |
| Pediocactus despainii |
ESA-E |
| Pediocactus knowltonii |
ESA-E CITES |
| Pediocactus paradinei |
CITES |
| Pediocactus peeblesianus peeblesianus |
ESA-E CITES |
| Pediocactus simpsonii |
CITES |
| Pediocactus winkleri |
ESA-T CITES |
| Pedistylis spp. |
Parasitic |
| Pelargonium crassicaule (from S. Africa) |
CITES III |
| Pelargoniium triste (from S. Africa) |
CITES III |
| Pelea spp. |
Treatment |
| Pelecyphora (= Encephalaocarpus) spp. |
CITES |
| Peltostigma spp. |
Treatment |
| Pennisetum clandestinum |
NW |
| Pennisetum glaucum |
FSA-A |
| Pennisetum macrourum |
NW |
| Pennisetum pedicillatum |
NW |
| Pennisetum purpureum |
FSA-A |
| Pennisetum spp. (syn. Cenchrus) |
NW |
| Penstemon debilis |
ESA-T |
| Penstemon haydenii |
ESA-E |
| Penstemon penlandii |
ESA-E |
| Pentaceras spp. |
Treatment |
| Pentachaeta bellidiflora |
ESA-E |
| Pentachaeta lyonii |
ESA-E |
| Pentarhopalopilia spp. |
Parasitic |
| Peperomia subpetiolata |
ESA-E |
| Peperomia wheeleri |
ESA-E |
| Peraxilla spp. |
Parasitic |
| Perella spp. |
Parasitic |
| Peristeria elata |
CITES |
| Perrierbambus spp. |
NAPPRA |
| Perryodendron spp. |
NAPPRA |
| Persea spp. |
NAPPRA |
| Persicaria thunbergii |
NAPPRA |
| Petalostemmon (Dalea) foliosa |
ESA-E |
| Petroselinum crispum |
FSA-V |
| Peucedanum sandwicense |
ESA-T |
| Phacelia argillacea |
ESA-E |
| Phacelia formosula |
ESA-E |
| Phacelia insularis ssp. insularis |
ESA-E |
| Phacelia scopulina var. submutica |
ESA-E |
| Phacelia submutica |
ESA-E |
| Phacellanthus spp. |
Parasitic |
| Phacellaria spp. |
Parasitic |
| Phalaris aquatica (syn: stenoptera) |
FSA-A |
| Phalaris arundinacea |
FSA-A |
| Phalaris canariensis |
FSA-A |
| Phanerodiscus spp. |
Parasitic |
| Phaseolus coccineus |
FSA-V |
| Phaseolus lunatus |
FSA-V |
| Phaseolus vulgaris v. vulgaris |
FSA-V |
| Pheballium spp. |
Treatment |
| Phelipanche spp. |
Parasitic |
| Phellodendron spp. |
Treatment |
| Phelypaea spp. |
Parasitic |
| Philenoptera spp. |
NAPPRA |
| Philotheca spp. |
Treatment |
| Philydrum lanuginosum |
NAPPRA |
| Phlegmariurus mannii |
ESA-E |
| Phlegmariurus nutans |
ESA-E |
| Phleum nodosum |
FSA-A |
| Phleum pratense |
FSA-A |
| Phlox hirsuta |
ESA-E |
| Phlox nivalis ssp. texensis |
ESA-E |
| Pholisma spp. |
Parasitic |
| Phoradendron spp. |
Parasitic |
| Phragmanthera spp. |
Parasitic |
| Phragmipedium spp. |
CITES |
| Phrygilanthus spp. |
Parasitic |
| Phtheirospermum spp. |
Parasitic |
| Phthirusa spp. |
Parasitic |
| Phuphnochloa spp. |
NAPPRA |
| Phyllanthus maderaspatensis |
NAPPRA |
| Phyllanthus saffordii |
ESA-E |
| xPhyllosasa |
NAPPRA |
| Phyllosma spp. |
Treatment |
| Phyllostachys spp. |
NAPPRA |
| Phyllostegia bracteata |
ESA-E |
| Phyllostegia brevidens |
ESA-E |
| Phyllostegia floribunda |
ESA-E |
| Phyllostegia glabra v. lanaiensis |
ESA-E |
| Phyllostegia haliakalae |
ESA-E |
| Phyllostegia helleri |
ESA-E |
| Phyllostegia hirsuta |
ESA-E |
| Phyllostegia hispida |
ESA-E |
| Phyllostegia kaalaensis |
ESA-E |
| Phyllostegia knudsenii |
ESA-E |
| Phyllostegia mannii |
ESA-E |
| Phyllostegia mollis |
ESA-E |
| Phyllostegia parviflora |
ESA-E |
| Phyllostegia pilosa |
ESA-E |
| Phyllostegia racemosa |
ESA-E |
| Phyllostegia renovans |
ESA-E |
| Phyllostegia stachyoides |
ESA-E |
| Phyllostegia velutina |
ESA-E |
| Phyllostegia waimeae |
ESA-E |
| Phyllostegia warshaueri |
ESA-E |
| Phyllostegia wawrana |
ESA-E |
| Physalis pubescens |
FSA-V |
| Physaria douglasii ssp. tuplashensis |
ESA-T |
| Physaria filiformis |
ESA-T |
| Physaria globosa |
ESA-E |
| Physaria obcordata |
ESA-T |
| Physaria pallida |
ESA-E |
| Physaria thamnophila |
ESA-E |
| Physocalyx spp. |
Parasitic |
| Picnomon arcarna |
NAPPRA |
| Picrella spp. |
Treatment |
| Pilgerina spp. |
Parasitic |
| Pilgerodendron uviferum |
CITES |
| Pilocarpus spp. |
Treatment |
| Pilosocereus (= Cereus) polygonus (= robinii) |
ESA-E |
| Pilostyles spp. |
Parasitic |
| Pinga spp. |
NAPPRA |
| Pinguicula ionantha |
ESA-T |
| Pinus albicaulis |
ESA-T |
| Piperia yadonii |
ESA-E |
| Piptatherum miliaceum |
FSA-A |
| Piresia spp. |
Poa. |
| Piresiella spp. |
Poa. |
| Pisum sativum |
FSA-A |
| Pitavia spp. |
Treatment |
| Pitaviaster spp. |
Treatment |
| Pittosporum halophilum |
ESA-E |
| Pittosporum hawaiiense |
ESA-E |
| Pittosporum napaliense |
ESA-E |
| Pityopsis (= Heterotheca chryopsis) ruthii |
ESA-E |
| Plagiobothrys hirtus |
ESA-E |
| Plagiobothrys strictus |
ESA-E |
| Plantago hawaiiensis |
ESA-E |
| Plantago princeps |
ESA-E |
| Platanthera holochila |
ESA-E |
| Platanthera integrilabia |
ESA-T |
| Platanthera leucophaea |
ESA-T |
| Platanthera praeclara |
ESA-T |
| Platydesma spp. |
Treatment |
| Platypholis spp. |
Parasitic |
| Pleioblastus (= Arundinaria) spp. |
NAPPRA |
| Pleiococca spp. |
Treatment |
| Pleiospermium spp. |
Treatment |
| Pleodendron macranthum |
ESA-E |
| Pleomele (Dracaena) fernaldii |
ESA-E |
| Pleomele (Dracaena) forbesii |
ESA-E |
| Plethadenia spp. |
Treatment |
| Pleurandropsis (= Asterolasia) spp. |
Treatment |
| Pleuraphis jamesii |
FSA-A |
| Plicosepalus spp. |
Parasitic |
| Poa annua |
FSA-A |
| Poa arachnifera |
FSA-A |
| Poa atropurpurea |
ESA-E |
| Poa bulbosa |
FSA-A |
| Poa compressa |
FSA-A |
| Poa glauca |
FSA-A |
| Poa mannii |
ESA-E |
| Poa napensis |
ESA-E |
| Poa nemoralis |
FSA-A |
| Poa pratensis |
FSA-A |
| Poa sandvicensis |
ESA-E |
| Poa secunda |
FSA-A |
| Poa siphonoglossa |
ESA-E |
| Poa trivialis |
FSA-A |
| Poaceae Family: Bambuseae tribe only |
NAPPRA |
| Podocarpus parlatorei |
CITES |
| Pogogyne abramsii |
ESA-E |
| Pogogyne nudiuscula |
ESA-E |
| Polyaster spp. |
Treatment |
| Polygala lewtonii |
ESA-E |
| Polygala smallii |
ESA-E |
| Polygonella basiramia |
ESA-E |
| Polygonella myriophylla |
ESA-E |
| Polygonum hickmanii |
ESA-E |
| Polyscias bisattenuata |
ESA-E |
| Polyscias flynnii |
ESA-E |
| Polyscias gymnocarpa |
ESA-E |
| Polyscias lydgatei |
ESA-E |
| Polyscias racemosa |
ESA-E |
| Polygonum hickmanii |
ESA-E |
| Polystichum aleuticum |
ESA-E |
| Polystichum calderonense |
ESA-E |
| Polytoca spp. |
NAPPRA |
| Poncirus spp. |
Treatment |
| Portulaca sclerocarpa |
ESA-E |
| Portulaca villosa |
ESA-E |
| Portulacaria pygmaea |
CITES |
| Potamogeton berchtoldii ssp. clystocarpus |
ESA |
| Potamogeton clystocarpus |
ESA |
| Potamogeton distinctus |
NAPPRA |
| Potamogeton schweinfurthii |
NAPPRA |
| Potentilla hickmanii |
ESA-E |
| Praxelis clematidea |
NAPPRA |
| Primula maguirei |
ESA-T |
| Pritchardia aylmer-robinsonii |
ESA-E |
| Pritchardia bakeri |
ESA-E |
| Pritchardia hardyi |
ESA-E |
| Pritchardia kaalae |
ESA-E |
| Pritchardia lanigera |
ESA-E |
| Pritchardia maideniana |
ESA-E |
| Pritchardia munroi |
ESA-E |
| Pritchardia napaliensis |
ESA-E |
| Pritchardia remota |
ESA-E |
| Pritchardia schattaueri |
ESA-E |
| Pritchardia viscosa |
ESA-E |
| Prosopanche spp. |
Parasitic |
| Prosopis alapataco |
NW |
| Prosopis argentina |
NW |
| Prosopis articulata |
NW |
| Prosopis burkartii |
NW |
| Prosopis caldenia |
NW |
| Prosopis calingastana |
NW |
| Prosopis campestris |
NW |
| Prosopis castellanosii |
NW |
| Prosopis denudans |
NW |
| Prosopis elata |
NW |
| Prosopis farcta |
NW |
| Prosopis ferox |
NW |
| Prosopis fiebrigii |
NW |
| Prosopis hassleri |
NW |
| Prosopis humilis |
NW |
| Prosopis kuntzei |
NW |
| Prosopis pallida |
NW |
| Prosopis palmeri |
NW |
| Prosopis reptans |
NW |
| Prosopis rojasiana |
NW |
| Prosopis ruizlealii |
NW |
| Prosopis ruscifolia |
NW |
| Prosopis sericantha |
NW |
| Prosopis strombulifera |
NW |
| Prosopis torquata |
NW |
| Prunus africana |
Q37 |
| Prunus geniculata |
ESA-E |
| Prunus spp. other than avium, canescans, cerasus, effusa, mahaleb, padus, sargentii, serotina, serrrula, serrulata, subhirtella, virginiana, yedoensis. |
Q37 |
| Psathyranthus spp. |
NW |
| Psathyrostachys juncea |
FSA-A |
| Pseudiosma spp. |
Treatment |
| Pseudobahia bahiifolia |
ESA-E |
| Pseudobahia peirsonii |
ESA-T |
| Pseudobambusa |
NAPPRA |
| Pseudobartsia spp. |
Parasitic |
| Pseudocoix spp. |
Poa. |
| Pseudognaphalium sandwicensium var. molokaiense |
ESA-E |
| Pseudoroegneria spicata |
FSA-A |
| Pseudomelasma spp. |
Parasitic |
| Pseudosopubia spp. |
Parasitic |
| Pseudostachyum spp. |
NAPPRA |
| Pseudostriga spp. |
Parasitic |
| Pseudoxytenanthera spp. |
NAPPRA |
| Psilopeganum spp. |
Treatment |
| Psittacanthus spp. |
Parasitic |
| Psychotria grandiflora |
ESA-E |
| Psychotria hexandra ssp. oahuensis |
ESA-E |
| Psychotria malaspinae |
ESA-E |
| Pteroxylon spp. |
Treatment |
| Ptelea spp. |
Treatment |
| Pteralyxia kauaiensis |
ESA-E |
| Pteralyxia macrocarpa |
ESA-E |
| Pteris lidgatei |
ESA-E |
| Ptilimnium nodosum (= fluviatile) |
ESA-E |
| Pterygiella (= Monochasma) spp. |
Parasitic |
| Ptychopetalum spp. |
Parasitic |
| Pueraria montana v. lobata |
FSA-A |
| Purshia (= Cowania) subintegra |
ESA-E |
| Pyrularia spp. |
Parasitic |
