Data Source and References for Cirsium occidentale var. californicum (cobwebby thistle)

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PLANTS Profile

Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner
cobwebby thistle

Data Source

Last revised by:
John T. Kartesz, Biota of North America Program

Curated and maintained by:
USDA NRCS National Plant Data Team

Data Documentation

Documentation	State	Type
2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley.	CA	Literature
Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley.	CA	Literature
Specimen Management System for California Herbaria (SMASCH).	CA	Literature

Time Generated: 05/18/2013 10:25 PM CDT