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Caloplaca tephromelae (Teloschistaceae), a new lichenicolous species from Tasmania

Published online by Cambridge University Press:  30 July 2021

Gintaras Kantvilas*
Affiliation:
Tasmanian Herbarium, Tasmanian Museum and Art Gallery, P.O. Box 5058, UTAS LPO, Sandy Bay, Tasmania7005, Australia
Ave Suija
Affiliation:
Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu51005, Estonia
Jurga Motiejūnaitė
Affiliation:
Laboratory of Mycology, Nature Research Centre, Žaliųjų ežerų 47, Vilnius08406, Lithuania
*
Author for correspondence: Gintaras Kantvilas. Email: [email protected]

Abstract

Caloplaca tephromelae Kantvilas, Suija & Motiej., a lichenicolous species growing on saxicolous thalli of species of Tephromela, is described from Tasmania. The new species is characterized by lecanorine to zeorine apothecia with a whitish grey thalline margin devoid of anthraquinone pigments, a non-inspersed hymenium, paraphyses without oil vacuoles and ascospores 10–14 × 5–8 μm, with a septum 5–8 μm thick. It is compared with selected taxa of Caloplaca s. lat. that share these salient features. Molecular data support the distinctiveness of the new species but do not suggest any obvious close relatives.

Type
Standard Papers
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of the British Lichen Society

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