Lithothamnium lamellatum ?

Washington: San Juan County: Mt. Dallas Beach, San Juan Is. [San Juan Island].
48.526142° N, 123.154792° W,
Datum: WGS 84. Coordinate Source: Digital Map.
On steep rocks. Substrate: saxicolous.

Unknown 4848, Jun 11, 1964
WTU, Accession: 249323, Barcode: WTU-A-013921

Lithothamnium ? lamellatum

Washington: San Juan County: Hein Bank, southwest of San Juan Is. [San Juan Island].
48.335079° N, 123.061569° W,
Datum: WGS 84. Uncertainty: 1000 meters. Coordinate Source: Digital Map.
And/or basal Yamadaia americana. Dredged 5-7 fathoms. Identification of this sample is potentially incorrect according to R Steneck, ~1981.

R. E. Norris 4994, Jun 13, 1964
FHL, Accession: 3369, Barcode: FHL-A-03650