San Francisco Bay Area Plant Encyclopedia
- Pachyveria “Haageana Tolimanensis”
- Pachyveria “Royal Flush”
- Pachyveria “Scheideckeri”
- Papaver nudicaule
- Parajubaea torallyi
- Parkinsonia aculeata
- Parkinsonia X “Desert Museum”
- Parodia buiningia
- Parodia chrysacanthion
- Parodia concinna
- Parodia concinna ssp. agnetae
- Parodia werneri
- Parodia erinacea
- Parodia erubescens
- Parodia haselbergii
- Parodia leninghausii
- Parodia magnifica
- Parodia mammulosa
- Parodia microsperma
- Parodia microsperma ssp. sanguiniflora
- Parodia mueller-melchersii ssp. gutierrezii
- Parodia nigrispina
- Parodia nivosa
- Parodia ottonis
- Parodia rutilans
- Parodia scopa
- Parodia submammulosus
- Parodia subterranea
- Parodia werdermanniana
- Pedilanthus bracteatus