Subspecies

Rubus ursinus macropetalus (California blackberry)

Rubus ursinus macropetalus. Photo: (c) jenniferkalt, some rights reserved (CC BY-NC)

Rubus ursinus is a North American species of blackberry or dewberry, known by the common names California blackberry, California dewberry, Douglas berry, Pacific blackberry, Pacific dewberry and trailing blackberry.

— Wikipedia

Sightings

Where in Humboldt


Discussion

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