Ahti, T 1990: New species of Cladonia from tropical South America. - Lichenologist22(3): 261-268. [RLL List # 141 / Rec.# 331] Keywords: CLADONIA/ SOUTH AMERICA/ NEW TAXA/ BRAZIL/ VENEZUELA/ COLOMBIA
Abstract: 4 figures. [New: Cladonia friabilis sp. nov., C. pulviniformis sp. nov., C. sufflata sp. nov., and C. variegata sp. nov.]