Rhamnus californica Eschsch.

RANCHO SANTA ANA BOTANIC GARDEN
Flora of the San Gabriel Mountains
Los Angeles County, California, U.S.A.
Rhamnaceae
Rhamnus californica Eschscholtz
ssp. cuspidata (E.L.Greene) C.B.Wolf
BIG ROCK CREEK CANYON: ca 120 m NNW of Icy
Springs, around a stone building that has been gutted by
fire (the Webber Cabin); Valyermo 7.5' USGS topo sheet;
T3N R9W, NW/4 NW/4 NE/4 section 1; elevation ca.
5680 feet
Vegetation dominated by woodland of Pinus jeffreyi,
Pseudotsuga macrocarpa, Quercus chrysolepis, and
scattered Calocedrus decurrens, Abies concolor, and Acer
macrophyllum. Understory shrubs including Rhamnus
californica, Ceanothus integerrimus, Fremontodendron
californicum, Cercocarpus betuloides, Prunus virginiana,
Ribes roezlii, and R. nevadense.
Locally common shrub.
Timothy S. Ross 3367	11 June 1990
Steve Boyd, Peter W. Fritsch
NEW YORK BOTANICAL GARDEN
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