Opuntiella californica
Annotated by Robert F. Scagel. Remarks: Syn.: Callymenia californica Farlow, 1877, p. 241.

Washington: San Juan County: Brown Island, near Friday Harbor.
48° 32' N, 123° W
Datum: WGS 84. Uncertainty: 527 meters. Coordinate Source: Digital Map.
On rocks in the lower intertidal and upper subtidal zones and to a depth of about 5 fathoms. Thallus repeatedly branched, up to 40 cm. high and 40 cm. wide, blood red in colour with a primary and proliferous blades having short stalks. Outline of blades circular or fan-shaped. Substrate: saxicolous.

Robert F. Scagel 9, Jun 20, 1955
WTU, Accession: 247608, Barcode: WTU-A-010212