This plant grows on mountaintops and scablands in sagebrush, shrubsteppe, and grassland habitat.

The flora of the upper watershed consists of scattered oak and madrone woodlands that are intermingled with grassland habitat, in some areas forming a savanna.

This plant grows in many types of shrubland and grassland habitat, as well as in some cultivated areas.

This grass grows in chaparral and grassland habitat.

It grows in chaparral and vernally wet grassland habitat.