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| Title | Activity Count |
|---|---|
| PROCYANIDINS | 3 |
| PROPYL-GALLATE | 5 |
| PROSCILLARIDIN-A | 1 |
| PROSTAGLANDIN | 1 |
| PROSTAGLANDIN-A-1 | 1 |
| PROSTAGLANDIN-E-1 | 1 |
| PROSTAGLANDIN-F2 | 1 |
| PROSTRATIN | 1 |
| PROTOANEMONIN | 2 |
| PROTOCATECHUALDEHYDE | 1 |
| PROTOCATECHUIC-ACID | 10 |
| PROTODIOSCIN | 1 |
| PROTOPAPAVERINE | 1 |
| PROTOPINE | 3 |
| PROVINCIALIN | 1 |
| PROXIMOL | 1 |
| PRUNIN | 1 |
| PRUNUSOL | 1 |
| PSEUDOEPHEDRINE | 2 |
| PSORALEN | 5 |
| Title | Chemical Count | Activity Count |
|---|---|---|
| Rosa woodsii | 2 | 12 |
| Rosmarinus eriocalyx | 17 | 11 |
| Rosmarinus officinalis | 107 | 36 |
| Rosmarinus tomentosus | 17 | 11 |
| Rosmarinus x lavandulaceus | 17 | 11 |
| Rosmarinus x mendizabalii | 17 | 11 |
| Rotala floribunda | 1 | 6 |
| Roylea elegans | 1 | 4 |
| Rubia cordifolia | 8 | 19 |
| Rubus chamaemorus | 9 | 12 |
| Rubus chingii | 9 | 13 |
| Rubus fruticosus | 12 | 25 |
| Rubus idaeus | 64 | 34 |
| Rubus parviflorus | 3 | 14 |
| Rubus phoenicolasius | 6 | 13 |
| Rubus sp. | 2 | 4 |
| Rubus spectabilis | 3 | 14 |
| Ruellia tuberosa | 4 | 12 |
| Rumex acetosa | 19 | 27 |
| Rumex acetosella | 7 | 21 |