Erythrophyllum delesserioides J.Agardh
Annotated by Robert F. Scagel.

Washington: Clallam County: Waadah Island, entrance to Neah Bay
48° 23' N, 124° 36' W
Coordinate Source: Specimen Label.
On rocks in the lower intertidal and upper subtidal zones. Thallus comprising one or more erect blades, attached to the substratum by a discoid holdfast. The blade may be simple or slightly branched from the margin with a conspicuous percurrent midrib and more or less conspicuous veins extending from the midrib to the margins of the thallus. The colour is a deep red to reddish purple. Substrate: rock.

Robert F. Scagel 46, Jul 18, 1955
OSC, Accession: 10322, Barcode: OSC-A-007532