San Francisco Bay Area Plant Encyclopedia
- Prosopis glandulosa v. torreyana
- Prosopis X “Phoenix”
- Protea “Brenda”
- Protea “Claire”
- Protea compacta
- Protea cynaroides
- Protea cynaroides “Mini King”
- Protea cynaroides “Pink King”
- Protea “Liebencherry”
- Protea magnifica
- Protea “Late Mink”
- Protea obtusifolia
- Protea “Pink Ice”
- Protea “Rose Mink”
- Protea susannae
- Protea “Susara”
- Protea “Sylvia”
- Protea “Trish Compacta”
- Protea Wreath
- Pseudolithos cubiformis
- Pseudolithos hybrid
- Pseudolithos migiurtinus
- Pseudorhipsalis ramulosa
- Pseudosasa japonica
- Pterocactus tuberosus
- Pterostylis curta
- Puya berteroniana
- Puya coerulea v. coerulea
- Puya coerulea v. violacea
- Puya x.