Audouinella arcuata (Drew) Garbary, G.I.Hansen & Scagel
Annotated by P.J. W. Zabuilson, 19 Jan 1989. Remarks: [University of British Columbia Phycological Herbarium]

Oregon: Coos: Sunset Bay, south end.
43.332333° N, 124.380755° W,
Datum: WGS 84. Coordinate Source: Digital Map.
On Polysiphonia collinsii, from rocky area.
On Pterosiphonia bipinnata [- P.J.W. Zabuilson]; epiphytic. Https://oregonflora.org/collections/individual/index.php?occid=4686962.

Harry K. Phinney 3132, 1950-6-29
With G.S. Phinney
OSC, Catalog: OSC-A-016134, Accession Number: 10671