UCR - University of California, Riverside Herbarium - Vascular Plants (UCR)
UCR0018371
UCR-BPS-222214
UCR-222214
Ambrosia confertiflora DC.
Asteraceae
Jim André
14847
2010-09-22
2010-9-22
T. La Doux
United States, California, San Bernardino, Mojave National Preserve; wilderness boundary trailhead at "hiking corridor" on south side of Castle Peaks; Castle Peaks
35.34268 -115.18012
1542 meters (5058ft)
Gravel on volcanic bedrock with Juniperus osteosperma, Ericameria linearifolia, Prunus fasciculata, Opuntia polycantha erinacea.
Flowering
Occasional, along margin of wash in breccia volcanic substrates.