Tuckerman, E. (1862). "Observations on North American and other lichens. 2". Proceedings of the American Academy of Arts and Sciences. 5: 383–422. doi:10.2307/20021278. JSTOR20021278.
Aptroot, André; Cáceres, Marcela Eugenia da Silva (2014). "A key to the corticolous microfoliose, foliose and related crustose lichens from Rondônia, Brazil, with the description of four new species". Lichenologist. 46 (6): 783–799. doi:10.1017/S0024282914000358. S2CID83968727.
Tuckerman, E. (1862). "Observations on North American and other lichens. 2". Proceedings of the American Academy of Arts and Sciences. 5: 383–422. doi:10.2307/20021278. JSTOR20021278.
Aptroot, André; Cáceres, Marcela Eugenia da Silva (2014). "A key to the corticolous microfoliose, foliose and related crustose lichens from Rondônia, Brazil, with the description of four new species". Lichenologist. 46 (6): 783–799. doi:10.1017/S0024282914000358. S2CID83968727.