United States, California, Ventura, Topa Topa Mountains, southern flank of Tar Creek, ca. 1 air mile SE of confluence with Sespe Canyon, along an old dirt road leading down to Sespe Canyon off of Squaw Flat Road. About the base of hill 2782 at the boundary of Sespe Condor Sanctuary.
34.4861111 -118.8583333
T5N R20W sec
732 meters
2400ft.
Extensive area of bedded sandstones, highly deformed and forming steep slopes with cliff-like outcrops. Soils at collection site weathering to reddish clay loam.
Scrub vegetation of Adenostoma fasciculatum, Ceanothus cuneatus, Cercocarpus betuloides, Eriogonum fasciculatum, Salvia mellifera, Keckiella cordifolia, Fraxinus dipetala, etc.
Common xerophytic fern in understory of mesic chaparral.