Definition that contains western united states
- scarlet fritillary western United States herb with scarlet and yellow narrow bell-shaped flowers
- colaptes caper collaris western United States bird with red undersurface to wings and tail
- thermopsis macrophylla western United States bushy herb having yellow pea-like flowers
- red-shafted flicker western United States bird with red undersurface to wings and tail
- yellow pea western United States bushy herb having yellow pea-like flowers
- false lupine western United States bushy herb having yellow pea-like flowers
- fritillaria recurva western United States herb with scarlet and yellow narrow bell-shaped flowers
- golden pea western United States bushy herb having yellow pea-like flowers