Osorio, HS/ Aguiar, LW/ Homrich, MH 1981: Contribution to the lichen flora of Brazil VI. New or additional records from Rio Grande do Sul State. - The Bryologist84: 79-81. [RLL List # 111-58 / Rec.# 13912] Keywords: BRAZIL/ PYCNOTHELIA/ RIO GRANDE DO SUL/ SOUTH AMERICA
Abstract: [Lists 40 lichen species of which four are new to Brazil. Pycnothelia papillaria is reported for the first time from South America.]