C. W.  Dodge, ?Some Lichens of Tropical Africa IV: Dermatocarpaceae to Pertusariaceae?, Beihefte zur Nova Hedwigia Heft 12, 1964.

C. W.  Dodge, ?The foliose and fruticose lichens of Costa Rica I.?, Annals of the Missouri Botanical Garden, vol. 20, pp. 373-467, 1933.