United States, California, Los Angeles, San Gabriel Mountains. n.e. of Littlerock Dam, the very n. end of Alimony Ridge, s. side of Mt. Emma Rd. margin to 75 m. south of Mt. Emma Rd.; Palmdale
34.50611 -118.02639
909-976 meters
2980-3200ft.
Pinyon-Juniper woodland.
Dominants include Ephedra nevadensis, Krascheninnikovia lanata, Ambrosia dumosa, Cylindropuntia echinocarpa, with Linanthus parryae, Eriastrum sapphirinum Leptosiphon aureus aureus, Eriophyllum pringlei, Pectocarya setosa, Amsinckia tessellata, Cryptantha pterocarya, Bromus tectorum, Encelia actoni, and etc.