United States, California, Los Angeles, San Gabriel Mtns. Foothills; Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39
34.16 -117.910278 +-1000m.
34° 09' 36'' N 117° 54' 37'' W
226-230 meters
740ft
Broad canyon bottom; sandy and rocky soil; sparse streamside riparian vegetation surrounded by coastal sage scrub and chaparral. In sandy sol along bike trail.