Polysiphonia pacifica var. disticha Hollenberg
Annotated by J. Cruden.

Oregon: Tillamook: Tillamook Bay, east side, Hobsonville Point (Capt. Roft. Gray Memorial), southwest point.
45.547206° N, 123.907209° W,
Datum: WGS 84. Coordinate Source: Digital Map.
On rocks in low inter-tidal, exposed to sun and wave action. Associated with Pterosiphonia pinnata.; rock. HerbariumSpecimenDuplicate: Ulva lactuca | herbariumSpecimenDuplicate: Ceramium gardneri | herbariumSpecimenDuplicate: Platythamnion villosum | herbariumSpecimenDuplicate: Polysiphonia scopulorum var. villum | herbariumSpecimenDuplicate: Porphyra | herbariumSpecimenDuplicate: Porphyra | herbariumSpecimenDuplicate: Pterosiphonia bipinnata Tetrasporic plant. Https://oregonflora.org/collections/individual/index.php?occid=4682657.

J. Cruden 48-H, 1978-5-12
OSC, Catalog: OSC-A-011869