Halosaccion glandiforme (S.G.Gmel.) Rupr.
Annotated by Robert F. Scagel.

Washington: San Juan: Turn Point on San Juan Island.
48.533333° N, 122.983333° W,
Coordinate Source: Specimen Label.
On rocks and epiphytic on other algae in the lower intertidal zone.; rock, epiphytic. Other Number: 5; Thallus a hollow sac filled with water, up to 30 cm. high and 4 cm. in diameter. Yellowish brown, olive brown or reddish purple in colour. Usually in clusters. Https://oregonflora.org/collections/individual/index.php?occid=4680220.

Robert F. Scagel 4, 1955-6-18
OSC, Catalog: OSC-A-009402, Accession Number: 9998