Constantinea subulifera
Annotated by Robert F. Scagel. Remarks: SYN.: Constantinea sitchensis Postels and Ruprecht, 1840, p. 17, pl. 40, fig. 88; Neurocaulon sitchense Kützing, 1849, p. 1638.

Washington: San Juan County: Brown Island, near Friday Harbor.
48° 32' N, 123° W
Datum: WGS 84. Uncertainty: 527 meters. Coordinate Source: Digital Map.
On rocks in the lower intertidal and upper subtidal zones. Thallus an erect irregularly branched plant with two or three orders of terete branches from 3-6 mm in diameter; branches terminating in rosulate or saucer-shaped blades, frequently becoming split at maturity. Mature blade with a subulate projection in the center and attaining a diameter of 15-30cm. Colour brownish red to a dark tan shade.

Robert F. Scagel 13, Jun 21, 1955
WTU, Accession: 245961, Barcode: WTU-A-005829