Verrucaria maura Wahlenb. var. aractina Torss.Annotated by A. Herre. Remarks: Specimen's name as it appears on label "Verrucaria maura Wahlenb. var aractina Torss.".
Alaska: Wrangell Petersburg: Washington Bay, Kuiu Island.
56.721158° N, 134.366527° W,
Datum: WGS 84. Uncertainty: 1722 meters. Coordinate Source: Digital map.
On seashore rocks. Substrate: saxicolous.
W. J. Eyerdam 908, Sep 11, 1952
WTU, Barcode: WTU-L-023108