Swinscow, TDV/ Krog, H 1978: Pendulous species of Usnea in East Africa. - Norwegian Journal of Botany25: 221-241. [RLL List # 101-83 / Rec.# 18082] Keywords: USNEA/ EAST AFRICA/ NEW TAXA/ KEY
Abstract: 27 figures. [Recognition of 7 species; key. New: Usnea goniodes (Stirt.) comb. nov. More than 20 taxa are reduced to synonymy.]