RSA - California Botanic Garden Herbarium (RSA:RSA)
RSA0127346
27f70d40-02d3-468a-9891-a4e9525b7ff7
866320
Erigeron sumatrensis Retz.
Asteraceae
Fred M. Roberts
8049
2016-04-29
29 Apr 2016
United States, California, Orange, Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked “1332” on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park.; Black Star Canyon 7.5'
33.773 -117.7265833
335 meters (1099ft)
Moderately steep east-facing slope on relatively open clay loam soil patch in coastal sage scrub burned July 2015.
Phacelia parryi, Salvia mellifera, Malacothrix saxatilis, Melilotus indica, Encelia californica, and Centaurea melitensis
Erect annual, stems 0.4 meters tall, scarce on a rocky knoll.