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A reappraisal of Masonhalea (Parmeliaceae, Lecanorales) based on molecular and morphological data.

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Author

  • Matthew P. Nelsen
  • Arne Thell
  • Steven D. Leavitt
  • Celia J. Hampton-Miller
  • H. Thorsten Lumbsch

Summary, in English

Previous studies have identified a close relationship between the monospecific Masonhalea richardsonii and Tuckermannopsis inermis. However, formal taxonomic changes were postponed until existing sequence data could be confirmed. Here we validate these data and discuss the transfer of T. inermis to Masonhalea (made by Lumbsch et al. in Thell & Moberg 2011), consider the morphological, anatomical and biogeographic similarities and differences between these two taxa. The two Masonhalea species both produce lateral apothecia, marginal pycnidia, a layer of cortical tissue beneath the pycnidial wall and bacillariform conidia.

Publishing year

2013

Language

English

Pages

729-738

Publication/Series

Lichenologist

Volume

45

Issue

6

Document type

Journal article

Publisher

Cambridge University Press

Topic

  • Botany

Keywords

  • taxonomy
  • phylogeny
  • cetrarioid
  • generic concept
  • lichens
  • molecular systematics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0024-2829