| Substance | Abbreviation | Systematics | Provings |
| Pachira quinata |
Pachi-q | Malvaceae |
![]() ![]() ![]() ![]() |
| Pachypodium rosulatum Elephant's Foot Plant |
Pachyp-r | Apocynaceae |
|
| Pachysandra terminalis Japanese pachysandra |
Pachys-t | Buxaceae |
|
| Pachystachys spicata Cardinals Guard |
Pachy-s | Acanthaceae |
![]() ![]() ![]() ![]() |
| Pachystegia insignis |
Pachys-i | Asteraceae/ Compositae |
|
| Paclitaxelum Paclitaxel |
Paclit | Synthetic Drugs |
|
| Paederia foetida Skunkvine |
Paede-f | Rubiaceae |
|
| Paeonia daurica |
Paeon-d | Paeoniaceae |
|
| Paeonia mascula |
Paeon-m | Paeoniaceae |
|
| Paeonia officinalis Peony |
Paeon | Paeoniaceae |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
| Paesia scaberula Lace fern |
Paes-s | Dennstaedtiaceae |
|
| Pagodroma nivea Snow Petrel |
Pagod-n | Procellariidae |
|
| Pagophila eburnea Ivory Gull |
Pagop-e | Laridae |









