Swinscow, TDV/ Krog, H 1974: Usnea subgenus Eumitria in East Africa. - Norw. Jour. Bot.21: 165-185. [RLL List # 90 / Rec.# 18073] Keywords: EUMITRIA / USNEA / EAST AFRICA / TAXONOMY / FLORA / NEW TAXA/ KEY
Abstract: [8 species; key. New: Usnea baileyi var pinnatifida var. nov. and var. planiuscula var. nov.]