Henssen, A 1979: New species of Homothecium and Ramalodium from S America. - Botaniska Notiser132: 257-282. [RLL List # 104-48 / Rec.# 8330] Keywords: HOMOTHECIUM/ RAMALODIUM/ COLLEMATACEAE/ NEW TAXA/ SOUTH AMERICA
Abstract: 15 figures. [Detailed treatment including developmental morphology; keys. New: Homothecium sorediosum sp. nov., H. intermedium sp. nov., H. opulentum var. redonii var. nov. and Ramalodium austroamericanum sp. nov. The generic diagnoses of Homothecium and Ramalodium (Collemataceae) are emended.]