^Tuckerman, E. (1877). "Observations on North American and other lichens. 4". Proceedings of the American Academy of Arts and Sciences. 12: 166–185. doi:10.2307/25138446. JSTOR25138446.
^Sheard, John W.; May, Philip F. (1997). "A synopsis of the species of Amandinea (lichenized ascomycetes, Physciaceae) as presently known in North America". The Bryologist. 100 (2): 159–169. doi:10.2307/3244044. JSTOR3244044.