Batrachospermum keratophytum Bory de Saint-Vincent
Annotated by W. A. Setchell.

Alaska: Dixon Harbor.
58° 25' N, 136° 55' W
Collected in a peat-bog.

G. B. Rigg 10, 15-16.v.1913
With R. F. Griggs, Kelp Expedition of the U.S. Department of Soils
WTU, Accession: 316012, Barcode: WTU-A-004485