A new species of Cronisia Berkeley (Corsiniaceae) from Mexico
The lichen family Cladoniaceae in Paraiba, Pernambuco and Sergipe, Northeast Brazil
Notes on the circumscription of the lichens Lecanora leprosa and L. sulphurescens (Lecanoraceae, lichenised Ascomycotina)
Nomenclatural notes on Pseudocyphellaria V: Some Brazilian taxa
Bibliography and checklist of foliicolous lichenized fungi up to 1992
Taxonomic and floristic notes on neotropical Macromitrioideae (Orthotrichaceae)