1 genus
3 species, 0 subspecies and varieties
	
   
  
  
    
 – bulbiferous prairie star, bulbous woodland star
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Grasslands and sagebrush desert to ponderosa pine and Douglas-fir forest openings.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
 
 – small-flower prairie star, small-flower woodland star
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Great Plains.
Habitat: Prairies, balds, sagebrush desert, and forest openings, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
 
 – slender prairie star, slender woodland star
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Sagebrush desert and ponderosa pine forests openings.
Origin: Native
Flowers: April-June
Growth Duration: Perennial