Cummings, Williams & Seymour: Lich. Bor.-Amer.
Francis W. Pennell [1-280]

Oregon State University Herbarium - Lichens
Catalog #: 54707
6e2d49dd-0055-4350-b95e-c6ee3260ca81
A. Waghorne #N.A.L. 187 14 September 1894
Cetraria islandica (L.) Ach.
, Bland Sablon, Newfoundland