United States, California, Los Angeles, San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream.; Azusa 7.5' Quad.
34.2436111 -117.9555556 +-100m.
T2N R10W sec
649 meters
2130ft.
Canyon bottom, disturbed area/landfill, surrounded by alder woodland on the N and chaparral on the south.
Dominants incl. Quercus dur., Q. chry., Alnus r., Platanus r., Lepidospartum s., Brickellia cal., Chenopodium bot., Ambrosia aca., Polypodium cal., also with Epilobium bra., Rubus arm., Corethrogyne fil., Asclepias fas., Tribulus t., Selaginella b., Pentagramma t., Chelanthes cov., etc.