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A revision of the North American lichen genus Ahtiana.

Author:
  • Arne Thell
  • Trevor Goward
  • Tiina Randlane
  • Ingvar Kärnefelt
  • Andres Saag
Publishing year: 1995
Language: English
Pages: 595-605
Publication/Series: Bryologist
Volume: 98
Issue: 4
Document type: Journal article
Publisher: AMER BRYOLOGICAL LICHENOLOGICAL SOCIETY INC

Abstract english

The formerly monotypic genus Ahtiana (type species: A. sphaerosporella (Müll. Arg.) Goward is shown to include two additional species, A. aurescens (Tuck.) Thell & Randl. and A. pallidula (Riddle) Goward & Thell. All three species are endemic to North America, and are characterized by their greenish yellow upper surface, globose ascospores, and caperatic acid in the medulla. The habitat ecology of these lichens is very specialized. Ahtiana is presumably most closely related to Tuckneraria Randl. & Thell and other cetrarioid genera having globose ascospores.

Keywords

  • Botany

Other

Published
  • ISSN: 1938-4378
Arne Thell
E-mail: arne [dot] thell [at] biol [dot] lu [dot] se

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