References from the California Lichen Catalog

MAGNUSSON, A. H. 1956.

A second supplement to the monograph of Acarospora with keys. Göteborgs Kungl. Vetenskaps, -och Vitterhets-Samhälles Handlingar, Sjätte Följden, Series B, 6(17): 1–34.

WEBER, W. A. 1968.

A taxonomic revision of Acarospora, subgenus Xanthothallia. Lichenologist 4: 16–31.