Plocamium pacificum Kylin
Annotated by Robert F. Scagel.

Washington: West Beach, near Partridge Point, on the west side of Whidbey Island.
48.233333° N, 122.766667° W,
Coordinate Source: Specimen Label.
Growing on rocks in the subtidal zone to a depth of 8 fathoms.; rock. Thallus up to 25 cm. high, deep red in colour, cartilaginous, slightly flattened with all branches lying in one plane, pectinately subdivided into several orders or branching.
27. Https://oregonflora.org/collections/individual/index.php?occid=4682610.

Robert F. Scagel 56, 1955-8-13
OSC, Catalog: OSC-A-011822