Robert F. Hoover Herbarium, Cal Poly State University
Catalog #: OBI121979
Occurrence ID (GUID): 5b3e358b-c15c-4f43-ba77-9537137d9a38
Secondary Catalog #: 51866
Taxon: Xanthium spinosum L.
Family: Asteraceae
Collector: David J. Keil   22579   
Date: 1991-08-22
Verbatim Date: 22-Aug-91
Additional Collectors: V.L. Holland
Locality: United States, California, San Luis Obispo, San Simeon State Park and vicinity along San Simeon Creek from beach to about ___ miles inland and on adjoining slope to C.T. Ranch.
Habitat: Common weed in disturbed area at edge of wastewater spray field N of creek. Locally common at edge of silt estuary of creek.
Specimen Images
Link to Source: 211398
Record ID: 5b3e358b-c15c-4f43-ba77-9537137d9a38
For additional information on this specimen, please contact: Jenn Yost, Director and Assistant Professor o (
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