Using morphological, chemical, and molecular data to study the diversity of Xanthoparmelia species from South Africa (Ascomycota, Parmeliaceae)
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Published:2023-09
Issue:5
Volume:55
Page:265-273
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ISSN:0024-2829
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Container-title:The Lichenologist
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language:en
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Short-container-title:The Lichenologist
Author:
Barcenas-Peña AlejandrinaORCID,
Sipman Harrie J. M.ORCID,
Wirth VolkmarORCID,
Grewe FelixORCID,
Lumbsch H. ThorstenORCID
Abstract
AbstractThere is still a high diversity of lichen-forming fungi that remains undescribed, especially cryptic lineages at the species level. Integrating morphological, chemical, and DNA sequence data has proved useful in corroborating species descriptions and delimitations. Here we reviewed morphological features, secondary metabolites and the DNA sequences of ITS, mtSSU and nuLSU markers to study the diversity of Xanthoparmelia in southern Africa. A total of 37 species were recorded. Three of these appear undescribed, and we therefore describe them here as new: Xanthoparmelia nimisii, with a sorediate thallus and broad lobes, is well supported as a clade separate from X. annexa; X. pseudochalybaeizans with a white medulla is phylogenetically distinct from the otherwise similar X. chalybaeizans; and X. sipmaniana, well supported as a separate clade from the similar X. hypoprocetrarica. In addition, the separation of Xanthoparmelia capensis and X. tinctina requires further studies.
Publisher
Cambridge University Press (CUP)
Subject
Ecology, Evolution, Behavior and Systematics
Cited by
1 articles.
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