Ahti, T 1961: Taxonomic studies on reindeer lichens (Cladonia, subgenus Cladina). - Annales Botanici Societatis Zoologicae Botanicae Fennicae 'Vanamo'32(1): i-iv + 1-160. [RLL List # 41 / Rec.# 288] Keywords: CLADINA/ CLADONIA/ KEY/ NEW TAXA/ MONOGRAPH
Abstract: 26 fig. + 44 fig. in pl. [38 species. Key. New: Cladonia rotundata sp. nov., C. dendroides (des Abb.) comb. nov., C. tasmanica sp. nov., C. pycnoclada var. fuscescnes var. nov., C. azorica sp. nov., C. macaronesia sp. nov., C. sect. Tricornutae sect. nov., C. bicolor (Mull. Arg.) comb. nov., C. galapagoensis sp. nov., C. tenuis var. leucophaea (des Abb.) comb. nov., C. tenuiformis sp. nov., C. subtenus fo. cinerea fo. nov., C. transindica sp. nov., C. arcuata sp. nov., C. pacifica sp. nov., C. terrae-novae fo. cionerascens fo. nov., C. skottsbergii fo. fuscescens fo. nov., C. incurva sp. nov., C. rangiferina var. vicaria (Sant.) comb. nov., var. abbayesii var. nov., subsp. grisea subsp. nov., C. magnussonii sp. nov., C. sprucei sp. nov., C. arbuscula subsp. beringiana subsp. nov., C. imshaugii sp. nov., C. luzonensis sp. nov., C. boliviana sp. nov.]