United States, California, Ventura, Southwest California, Western Transverse Ranges, Pine Mountain Ridge; Lockwood Valley Quad.; SE1/4 SW1/4 S9, T6N R21W San Bernardino Base Meridian; along Thorn Meadows Campground
34.61005 -119.1139667 WGS84
34° 36.603' N, 119° 6.838' W
Growing in moist soil of creek; Assoc. species: Prunus virginiana, Juncus, Euthamia occidentalis, Salix lasiolepis; vegetation type: Salix-lasiolepis-Prunus virginianas alliance