University of California, Riverside Plant Herbarium
Catalog #: UCR0039412
Occurrence ID (GUID): UCR-BPS-163322
Secondary Catalog #: UCR-163322
Taxon: Sphaeralcea ambigua A. Gray
Family: Malvaceae
Determiner: A.C. Sanders (2005)
Collector: B.G. Pitzer   3389   
Date: 1998-01-24
Verbatim Date: 1998-1-24
Locality: United States, California, Riverside, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road
33.68667  -115.42333
Verbatim Coordinates: PH 4E 2N
Elevation: 500 meters (1640ft)
Habitat: Creosote bush scrub on alluvial fan, w/ Larrea, Ambrosia dum., Psorothamnus sch., Opuntia ramos., O. big., Encelia far., Fouquieria, etc.; desert riparian species in wash.
Notes: Uncommon shrub among rocks; one in bloom, others in late bud. Fls. orange.
Specimen Images
Link to Source: 1583387
Record ID: a7ac2b86-7fb8-499e-b87e-fbb3a3fb62c5
For additional information on this specimen, please contact: Andrew Sanders (
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