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Sunday, June 2, 2013

Echinocereus websterianus

Echinocereus websterianus is endemic to a single island in California Gulf, similarly to E. grandis - closely related species found on three other island in the gulf. Administratively the birthplace of E. webstarianus belongs to Sonora state, but I consider it to be one of Baja California species, based more on ecological than administrative divide.

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