Pacific Anemone
Pacific Brownish Sedge
Pacific Coralroot
Pacific Dogwood
Pacific Fescue
Pacific Foxtail
Pacific Hulsea
Pacific Ninebark
Pacific Oakfern
Pacific Onion
Pacific Panicgrass
Pacific Popcornflower
Pacific Rush
Pacific Trillium
Pacific Waterclover
Pacific Willow
Pacific Woodrush
Pacific Yarrow
Pacific Yew
Painted Milkvetch
Paiute Suncup
Pale Agoseris
Pale Bastard Toadflax
Pale Evening Primrose
Pale False Mannagrass
Pale Indian Paintbrush
Pale Madwort
Pale Monardella
Pale Serviceberry
Pale Spikerush
Pale Wallflower
Pale Wallowa Indian Paintbrush
Paleyellow Iris
Paleyellow Ragwort
Paleyellow Touch-me-not
Pallid Milkweed
Palmer Evening Primrose
Palouse Goldenweed
Palouse Milkvetch
Palouse Thistle
Panicgrass
Panicled Bulrush
Paper Birch
Paperflower