Distribution and habitat
The plant grows east of the Cascades in British Columbia, Washington and Oregon. Its habitats include rocky cliffs, talus slopes, and shrub steppe.Description
''Hackelia diffusa'' is a perennial herb from 2 to 7 dm tall. The lower part of the plant is covered with spreading, stiff hairs, while the upper has appressed hairs. It has an inflorescence of false-racemes with numerous white flowers that have a yellow center. The boom period is from May to July. The fruits are clusters of four nutlets that have marginal and intramarginal prickles.References
diffusa Flora of Washington (state) Flora of Oregon Flora of British Columbia Flora without expected TNC conservation status {{Boraginoideae-stub