A revision of the North American lichen genus Ahtiana.

Arne Thell, Trevor Goward, Tiina Randlane, Ingvar Kärnefelt, Andres Saag

Research output: Contribution to journalArticlepeer-review


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.
Original languageEnglish
Pages (from-to)595-605
Issue number4
Publication statusPublished - 1995

Subject classification (UKÄ)

  • Botany


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