San Francisco Bay Area Plant Encyclopedia
- Pelargonium “Vancouver Centennial”
- Pellaea cordifolia
- Pellaea falcata
- Pellaea rotundifolia
- Peniocereus greggii
- Peniocereus johnstonii
- Peniocereus striatus
- Pennisetum alopecuroides “Hameln”
- Pennisetum “Eaton Canyon”
- Pennisetum “Fairy Tails”
- Pennisetum “Fireworks”
- Pennisetum messiacum
- Pennisetum orientale
- Pennisetum “Red Buttons”
- Pennisetum “Rubrum”
- Penstemon ambiguus
- Penstemon Pensham “Arctic Fox”
- Penstemon azureus v. angustissimus
- Penstemon “Belle of Dawn”
- Penstemon bicolor ssp. roseus
- Penstemon “Blackbeard”
- Penstemon “Blue Springs”
- Penstemon “Cherry Sparks”
- Penstemon “Dark Towers”
- Penstemon “Diablo”
- Penstemon “Dorothy Wilson”
- Penstemon eatonii
- Penstemon “Electric Blue”
- Penstemon “Enor”
- Penstemon “Firebird”