Degelius G.
(1937):
Lichens from Southern Alaska and the Aleutian Islands, collected by dr. E. Hultén,
Meddel. Göteborgs Bot. Trädgard,
12: 105-144
New genus: Cavernularia; New species: Sticta arctica, Lecidea aleutica, Mycoblastus marginatus, Perforaria minuta, Cavernularia hultenii
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