Pacific Anemone      

Pacific Blazingstar          

Pacific Fescue          

Pacific Panicgrass          

Pacific Popcornflower          

Pacific Waterclover          

Pacific Willow      

Pagumpa Milkvetch          

Painted Milkvetch          

Paiute False Bindweed          

Paiute Suncup          

Palafox          

Pale Agoseris      

Pale Bastard Toadflax          

Pale Desert-thorn      

Pale Evening Primrose      

Pale False Mannagrass          

Pale Madwort          

Pale Monardella          

Pale Spikerush          

Paleyellow Iris          

Pallid Hoptree          

Pallid Milkweed          

Pallid Suncup          

Paloverde          

Pampas Grass          

Panamint Cryptantha          

Panguitch Buckwheat          

Panicgrass          

Panicled Bulrush      

Panther Milkvetch          

Paperflower          

Parachute Plant          

Paradise Apple          

Paradox Cinquefoil          

Paradox Lupine          

Paradox Milkvetch          

Parasol Bladderpod          

Paria River Indian Breadroot          

Paria Spurge          

Pariette Cactus          

Park Rockcress          

Park Willow      

Parrya