| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| PALU8 | Paeonia lutea Delavay ex Franch | Paeonia delavayi | Paeoniaceae
|
| PAOF2 | Paeonia officinalis L. | common peony | Paeoniaceae
|
| PASU39 | Paeonia suffruticosa Andrews | moutan peony | Paeoniaceae
|
| PAEON | Paeonia L. | peony | Paeoniaceae
|
| PAAC10 | Pagesia acuminata (Walt.) Pennell | Mecardonia acuminata var. acuminata | Scrophulariaceae
|
| PAARA2 | Palafoxia arida B.L. Turner & Morris var. arida | desert palafox | Asteraceae
|
| PAARG | Palafoxia arida B.L. Turner & Morris var. gigantea (M.E. Jones) B.L. Turner & Morris | giant Spanish needle | Asteraceae
|
| PAAR8 | Palafoxia arida B.L. Turner & Morris | desert palafox | Asteraceae
|
| PACAB4 | Palafoxia callosa (Nutt.) Torr. & Gray var. bella (Cory) Shinners | Palafoxia callosa | Asteraceae
|
| PACA3 | Palafoxia callosa (Nutt.) Torr. & Gray | small palafox | Asteraceae
|
| PAFE | Palafoxia feayi Gray | Feay's palafox | Asteraceae
|
| PAHOH | Palafoxia hookeriana Torr. & Gray var. hookeriana | sand palafox | Asteraceae
|
| PAHOM | Palafoxia hookeriana Torr. & Gray var. minor Shinners | sand palafox | Asteraceae
|
| PAHO | Palafoxia hookeriana Torr. & Gray | sand palafox | Asteraceae
|
| PAIN8 | Palafoxia integrifolia (Nutt.) Torr. & Gray | coastalplain palafox | Asteraceae
|
| PALIG | Palafoxia linearis (Cav.) Lag. var. gigantea M.E. Jones | Palafoxia arida var. gigantea | Asteraceae
|
| PAMA9 | Palafoxia macrolepis (Rydb.) Cory | Palafoxia rosea var. macrolepis | Asteraceae
|
| PARE | Palafoxia reverchonii (Bush) Cory | Reverchon's palafox | Asteraceae
|
| PARI | Palafoxia riograndensis Cory | Rio Grande palafox | Asteraceae
|
| PAROA | Palafoxia rosea (Bush) Cory var. ambigua Shinners | Palafoxia texana var. ambigua | Asteraceae
|
| PAROM | Palafoxia rosea (Bush) Cory var. macrolepis (Rydb.) B.L. Turner & Morris | rosy palafox | Asteraceae
|
| PAROP | Palafoxia rosea (Bush) Cory var. papposa Shinners | Palafoxia texana var. texana | Asteraceae
|
| PAROR | Palafoxia rosea (Bush) Cory var. rosea | rosy palafox | Asteraceae
|
| PARO | Palafoxia rosea (Bush) Cory | rosy palafox | Asteraceae
|
| PASP | Palafoxia sphacelata (Nutt. ex Torr.) Cory | othake | Asteraceae
|
| PATEA | Palafoxia texana DC. var. ambigua (Shinners) B.L. Turner & Morris | Texas palafox | Asteraceae
|
| PATEM3 | Palafoxia texana DC. var. macrolepis (Rydb.) Shinners | Palafoxia rosea var. macrolepis | Asteraceae
|
| PATET | Palafoxia texana DC. var. texana | Texas palafox | Asteraceae
|
| PATE | Palafoxia texana DC. | Texas palafox | Asteraceae
|
| PATRB | Palafoxia tripteris (DC.) Shinners var. brevis Shinners | Florestina tripteris | Asteraceae
|
| PATR9 | Palafoxia tripteris (DC.) Shinners | Florestina tripteris | Asteraceae
|
| PALAF | Palafoxia Lag. | palafox | Asteraceae
|
| PALE19 | Palamocladium leskeoides (Hook.) Britt. | palamocladium moss | Brachytheciaceae
|
| PALAM | Palamocladium C. M�ll. | palamocladium moss | Brachytheciaceae
|
| PAGU2 | Palaquium gutta (Hook. f.) Baillon | gutta percha | Sapotaceae
|
| PALAQ | Palaquium Blanco | palaquium | Sapotaceae
|
| PACE3 | Palhinhaea cernua (L.) Franco & Vasc. | Lycopodiella cernua var. cernua | Lycopodiaceae
|
| PAAL9 | Palicourea alpina (Sw.) DC. | tafetan | Rubiaceae
|
| PABA9 | Palicourea barbinervia DC. | Palicourea guianensis ssp. barbinervia | Rubiaceae
|
| PABR6 | Palicourea brevithyrsa Britt. & Standl. | Palicourea crocea | Rubiaceae
|
| PACRR | Palicourea crocea (Sw.) J.A. Schultes var. riparia (Benth.) Griseb. | Palicourea croceoides | Rubiaceae
|
| PACR3 | Palicourea crocea (Sw.) J.A. Schultes | red cappel | Rubiaceae
|
| PACR18 | Palicourea croceoides Ham. | | Rubiaceae
|
| PADO2 | Palicourea domingensis (Jacq.) DC. | Psychotria domingensis | Rubiaceae
|
| PAGUB | Palicourea guianensis Aubl. ssp. barbinervia (DC.) Steyermark | showy cappel | Rubiaceae
|
| PAGU | Palicourea guianensis Aubl. | showy cappel | Rubiaceae
|
| PARI7 | Palicourea riparia Benth. | Palicourea croceoides | Rubiaceae
|
| PALIC | Palicourea Aubl. | cappel | Rubiaceae
|
| PASP16 | Paliurus spina-christi P. Mill. | Jeruselem thorn | Rhamnaceae
|
| PALIU | Paliurus P. Mill. | Jeruselem thorn | Rhamnaceae
|
| PALY3 | Pallavicinia lyellii (Hook.) Carruth. | | Pallaviciniaceae
|
| PALLA | Pallavicinia Gray nom. cons. | | Pallaviciniaceae
|
| PAEL4 | Palma elata Bartr. | Roystonea elata | Arecaceae
|
| PALA19 | Paltonium lanceolatum (L.) K. Presl | Neurodium lanceolatum | Polypodiaceae
|
| PASQ70 | Paludella squarrosa (Hedw.) Brid. | angled paludella moss | Meesiaceae
|
| PALUD2 | Paludella Brid. | paludella moss | Meesiaceae
|
| PACO47 | Palustriella commutata (Brid.) Ochyra | palustriella moss | Amblystegiaceae
|
| PADE17 | Palustriella decipiens (De Not.) Ochyra | palustriella moss | Amblystegiaceae
|
| PALUS | Palustriella Ochyra | palustriella moss | Amblystegiaceae
|
| PAGI2 | Panax ginseng C. Meyer | Chinese ginseng | Araliaceae
|
| PAPSJ | Panax pseudoginseng Wallich ssp. japonicus (C. Meyer) H. Hara | Japanese ginseng | Araliaceae
|
| PAPSP | Panax pseudoginseng Wallich ssp. pseudoginseng | ginseng | Araliaceae
|
| PAPS11 | Panax pseudoginseng Wallich | ginseng | Araliaceae
|
| PAQU | Panax quinquefolius L. | American ginseng | Araliaceae
|
| PARE17 | Panax repens Maxim. | Panax pseudoginseng ssp. japonicus | Araliaceae
|
| PASC17 | Panax schinseng Nees | Panax ginseng | Araliaceae
|
| PATR2 | Panax trifolius L. | dwarf ginseng | Araliaceae
|
| PANAX | Panax L. | ginseng | Araliaceae
|
| PACA16 | Pancratium caribaeum L. | Hymenocallis caribaea | Liliaceae
|
| PACA17 | Pancratium carolinianum L. | Hymenocallis caroliniana | Liliaceae
|
| PADE8 | Pancratium declinatum Jacq. | Hymenocallis caribaea | Liliaceae
|
| PAEX | Pancratium expansum Herbert | Hymenocallis expansa | Liliaceae
|
| PALA21 | Pancratium latifolium P. Mill. | Hymenocallis latifolia | Liliaceae
|
| PALI14 | Pancratium littorale Jacq. | pancratium | Liliaceae
|
| PARO6 | Pancratium rotatum Ker-Gawl. | Hymenocallis rotata | Liliaceae
|
| PANCR | Pancratium L. | pancratium | Liliaceae
|
| PAAI | Pandanus aimiriikensis Martelli | pandanus | Pandanaceae
|
| PACH5 | Pandanus chamissonis Gaud. | Pandanus tectorius | Pandanaceae
|
| PACO51 | Pandanus cominsii Hemsl. | pandanus | Pandanaceae
|
| PADO | Pandanus douglasii Gaud. | Pandanus tectorius | Pandanaceae
|
| PADU3 | Pandanus dubius Sprengel | pandanus | Pandanaceae
|
| PAFU6 | Pandanus furcatus Roxb. | pandanus | Pandanaceae
|
| PAJA2 | Pandanus japensis Martelli | pandanus | Pandanaceae
|
| PAKA2 | Pandanus kanehirae Martelli | pandanus | Pandanaceae
|
| PAMA32 | Pandanus macrojeanneretia Martelli | pandanus | Pandanaceae
|
| PAME3 | Pandanus menziesii Gaud. | Pandanus tectorius | Pandanaceae
|
| PAODL | Pandanus odoratissimus L. f. var. laevigatus Martelli | Pandanus tectorius | Pandanaceae
|
| PAODO | Pandanus odoratissimus L. f. var. oahuensis Martelli | Pandanus tectorius | Pandanaceae
|
| PAOD | Pandanus odoratissimus auct. non L. f. | Pandanus tectorius | Pandanaceae
|
| PAPA38 | Pandanus palawensis Martelli | pandanus | Pandanaceae
|
| PAPA39 | Pandanus patina Martelli | pandanus | Pandanaceae
|
| PATEC | Pandanus tectorius Parkinson ex Zucc. var. chamissonis (Gaud.) B.C. Stone | Pandanus tectorius | Pandanaceae
|
| PATED | Pandanus tectorius Parkinson ex Zucc. var. douglasii (Gaud.) B.C. Stone | Pandanus tectorius | Pandanaceae
|
| PATEL | Pandanus tectorius Parkinson ex Zucc. var. laevigatus (Martelli) B.C. Stone | Pandanus tectorius | Pandanaceae
|
| PATEM2 | Pandanus tectorius Parkinson ex Zucc. var. menziesii (Gaud.) B.C. Stone | Pandanus tectorius | Pandanaceae
|
| PATEO | Pandanus tectorius Parkinson ex Zucc. var. oahuensis (Martelli) B.C. Stone | Pandanus tectorius | Pandanaceae
|
| PATES | Pandanus tectorius Parkinson ex Zucc. var. sandvicensis Warb. | Pandanus tectorius | Pandanaceae
|
| PATE2 | Pandanus tectorius Parkinson ex Zucc. | Tahitian screwpine | Pandanaceae
|
| PATO3 | Pandanus tomilensis Kanehira | pandanus | Pandanaceae
|
| PAUT | Pandanus utilis Bory | common screwpine | Pandanaceae
|
| PAVE6 | Pandanus veitchii hort. Veitch ex Masters & T. Moore | Veitch's screwpine | Pandanaceae
|