Mendonça, C.D.O., Aptroot, A. & Cáceres, M.E.D.S. (2016)

Six new species of the lichen genus Pyrenula (Pyrenulaceae) from Northeast Brazil

. Phytotaxa 286 (3): 169–176. https://doi.org/10.11646/phytotaxa.286.3.4