Ahti, T 1982: The morphological interpretation of cladoniform thalli in lichens. - Lichenologist14: 105-113. [RLL List # 115-3 / Rec.# 317] Keywords: MORPHOLOGY/ CLADONIA/ PODETIUM/ CONIDIOMATA/ POLYDISCOID ASCOMA/ APOTHECIA/ CLADONIACEAE/ CLADONIFORM
Abstract: 1 table. [Review of 17 genera in 5 families. "A podetium is defined as a lichenized, stem-like portion (stipe) bearing the hymenial discs, and sometimes conidiomata, in a fruticose, simple or compound apothecium. The terminal structures commonly called apothecia on podetia or other ascomatal stipes in lichens are not whole apothecia but separate hymenial discs of a polydiscoid ascoma. In spite of superficial similarity in gross morphology and phenolic composition, the cladoniform lichens are a life-form group rather than a taxonomic entity."]