期刊
MYCOLOGIA
卷 108, 期 1, 页码 38-55出版社
TAYLOR & FRANCIS INC
DOI: 10.3852/15-060
关键词
Basidiolichens; lichenized fungi; montane forest; phylogeny; taxonomy; tropical diversity
类别
资金
- NSF [DEB 0841405]
- Mohamed bin Zayed Species Conservation Fund [152510692]
- Charles Darwin Foundation
We present a taxonomic revision of the lichenized basidiomycete genus Acantholichen, species of which produce a characteristic blue-gray, micro-squamulose thallus with spiny apical hyphal cells known as acanthohyphidia. Since its discovery, the genus was thought to be monospecific, only including the generic type, A. pannarioides. However, a detailed morphological and anatomical study of recently collected specimens from the Galapagos, Costa Rica, Brazil and Colombia, combined with a molecular phylogenetic analysis of the internal transcribed spacer (ITS1-5.8S-ITS2) region and 28S of the nuc rDNA and RPB2 sequences, revealed a much more diverse and widespread species assemblage. Based on the results of these analyses, we describe five new species in the genus: A. albomarginatus, A. campestris, A. galapagoensis, A. sorediatus and A. variabilis. We also provide an identification key to all species, anatomical and morphological descriptions, photographs and a table comparing main characters of each species.
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