Locality: United States, California, San Bernardino, Metropolitan Water DistrictWhipple Mountains; appx. 2 mi. SE of Copper Basin Resevoir, 1/4 mi. N of Copper Basin Wash, near powerline running E-W from river to aqueduct tunnel.
Habitat: Short side canyon draining S into main wash. Chocolate brown sedimentary rocky slopes, with occasional blown sand. Narrow riparian area with Pluchea sericea, Baccharus sergiloides, Phoenix dactylifera, Populus fremontii, Typha domingensis, Cyperus sp.