– desert centaury, tall centaury
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to the northern Great Plains.
Habitat: Moist places, especially around alkaline lakes and hot springs.
Origin: Native
Flowers: June-July
Growth Duration: Annual
– Muhlenberg`s centaury
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Idaho and Nevada.
Habitat: Forest openings, wet areas at low to middle elevations.
Origin: Native
Flowers: June-August
Growth Duration: Annual