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Magnolia Press, Phytotaxa, 3(459), p. 209-218, 2020

DOI: 10.11646/phytotaxa.459.3.2



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Tasmanian chroodiscoid thelotremoid lichens (Graphidaceae) revisited

Journal article published in 2020 by Gintaras Kantvilas ORCID
Distributing this paper is prohibited by the publisher
Distributing this paper is prohibited by the publisher

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Some thelotremoid lichens of Tasmania are reviewed. The following new combinations are proposed: Gintarasia asteliae (Kantvilas & Vĕzda) Kantvilas, G. minor (Kantvilas & Vĕzda) Kantvilas and G. tasmanica (Kantvilas & Vĕzda) Kantvilas. A revised description of Schizotrema schizolomum (Müll.Arg.) Mangold & Lumbsch, based on Tasmanian collections, is provided, and the new species, S. vezdanum Kantvilas, recorded from Tasmanian and Victoria, is described and illustrated; it is characterised by a thallus containing stictic acid, 8-spored asci, and non-amyloid, muriform ascospores, 22−44 × 9−18 µm. Schizotrema guadeloupense (Hale) Mangold & Lumbsch is deleted from the Tasmanian census. Also described as new and illustrated is the Tasmanian endemic, Topeliopsis fatiscens Kantvilas, characterised by a thallus containing salazinic acid, (1−)2(−3)-spored asci and strongly amyloid, muriform ascospores, 37−100 × 19−40 µm. Thelotrema lepadodes var. endochrysoides Jatta is identified as a synonym of the cosmopolitan species T. lepadinum (Ach.) Ach.