Journal
LICHENOLOGIST
Volume 54, Issue 2, Pages 87-99Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0024282922000019
Keywords
Amazonia; Atlantic Forest; Cerrado; Graphidoideae; lichens; periphysoids
Categories
Funding
- CAPES (Coordenadoria de Aperfeicoamento de Pessoal de Nivel Superior)
- CNPq - Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [401186/2014-8, 459155/2014-8, 207282/2015-3]
- CAPES [001]
- NSF [NSF DEB-1025861]
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This study revises the Acanthothecis genus in Brazil and provides an updated world key to the known species. Ten new species and three validated species are described, and a new combination species is proposed.
As part of a revision of the genus Acanthothecis s. lat. (Graphidaceae) in Brazil, an updated world key to the known species of the genus is presented. From Brazil, the following ten new species are described: A. latispora, with single-spored asci, large, muriform ascospores, and norstictic and stictic acids; A. megalospora, with single-spored asci, very large, transversely septate ascospores, and norstictic and protocetraric acids; A. multiseptata, with 8-spored asci, medium-sized and narrow, transversely multiseptate ascospores, and lacking secondary substances except terpenoids; A. norstictica, with 1-2-spored asci, large, muriform ascospores, and norstictic acid; A. oryzoides, with 8-spored asci, medium-sized, transversely septate ascospores, and norstictic acid; A. rimosa, with 2-spored asci, small to medium-sized, muriform ascospores, and stictic acid; A. roseola, with 1-2-spored asci, large, muriform ascospores, and norstictic, stictic and subnorstictic acids; A. saxicola, with 8-spored asci, small, 3-septate ascospores, and norstictic acid; A. subfarinosa, with 8-spored asci, small, 6-8-septate ascospores, and norstictic acid; and A. submuriformis, with 8-spored asci, small, submuriform ascospores, and lichexanthone. In addition, three further species are formally validated, namely A. bicellulata, A. farinosa and A. subabaphoides, and the new combination A. bicellularis is proposed, based on Acanthotrema bicellularis.
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