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Rostania revised: testing generic delimitations in Collemataceae (Peltigerales, Lecanoromycetes )
Swedish Museum Nat Hist, Dept Bot, Stockholm, Sweden.
Uppsala University, Music and Museums, Museum of Evolution.
Swiss Fed Inst Technol, Inst Integrat Biol, Plant Ecol Genet, Zurich, Switzerland.
Swedish Museum Nat Hist, Dept Bot, Stockholm, Sweden.
2019 (English)In: MycoKeys, ISSN 1314-4057, E-ISSN 1314-4049, no 47, p. 17-33Article in journal (Refereed) Published
Abstract [en]

Here, we test the current generic delimitation of Rostania (Collemataceae, Peltigerales, Ascomycota) utilizing molecular phylogeny and morphological investigations. Using DNA sequence data from the mitochondrial SSU rDNA and two nuclear protein-coding genes (MCM7 and β-tubulin) and utilizing parsimony, maximum likelihood and Bayesian phylogenetic methods, Rostania is shown to be non-monophyletic in the current sense. A new generic delimitation of Rostania is thus proposed, in which the genus is monophyletic, and three species (Rostania coccophylla, R. paramensis, R. quadrifida) are excluded and transferred to other genera. Rostania occultata is further non-monophyletic, and a more detailed investigation of species delimitations in Rostania s. str. is needed. The new combinations Leptogium paramense and Scytinium quadrifidum are proposed.

Place, publisher, year, edition, pages
2019. no 47, p. 17-33
Keywords [en]
Classification, cyanolichens, nomenclature, systematics, taxonomy, thallus anatomy
National Category
Biological Systematics Botany
Identifiers
URN: urn:nbn:se:uu:diva-378983DOI: 10.3897/mycokeys.47.32227ISI: 000459161600002PubMedID: 30820165OAI: oai:DiVA.org:uu-378983DiVA, id: diva2:1295302
Funder
The Swedish Taxonomy Initiative (ArtDatabanken, SLU), 2016-207 4.3Available from: 2019-03-11 Created: 2019-03-11 Last updated: 2019-03-11Bibliographically approved

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