Arthopyrenia carinthiaca J. Steiner
[= Anisomeridium carinthiacum]
Remarks: Pyrenula?

Washington: Skagit County: Shannon Point, northwest part of Fidalgo Island.
48° 30' 30" N, 122° 41' W
Coordinate Source: Specimen label.
Edge of pond. Substrate: Alnus. Algae Trentepohlia. Spores: brownish. Parphyses persistent, slightly branched. Duplicate.

B. Ryan 4944, Aug 22, 1979
WTU, Barcode: WTU-L-003168