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Lecanactis (Roccellaceae) in Tasmania, with the description of a new saxicolous species and a revised key for the genus in Australia

Published online by Cambridge University Press:  12 March 2021

Gintaras Kantvilas Open the ORCID record for Gintaras Kantvilas [Opens in a new window]
Gintaras Kantvilas*
Affiliation:
Tasmanian Herbarium, Tasmanian Museum and Art Gallery, Box 5158, UTAS LPO, Sandy Bay, Tasmania7005, Australia
*
Author for correspondence: Gintaras Kantvilas. E-mail: Gintaras.Kantvilas@tmag.tas.gov.au
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Abstract

The lichen genus Lecanactis Körb. in Tasmania comprises six species: L. abietina (Ach.) Körb., which is widespread and pan-temperate; L. latispora Egea & Torrente and L. neozelandica Egea & Torrente, both shared with New Zealand and with the former recorded here from the Auckland Islands for the first time; L. mollis (Stirt.) Frisch & Ertz, shared with Victoria and New Zealand; L. aff. dilleniana (Ach.) Körb., a European species recorded provisionally for Tasmania on the basis of several sterile collections; L. scopulicola Kantvilas, which is described here as new to science and apparently a Tasmanian endemic. This new taxon occurs in rocky underhangs and is characterized by a thick, leprose thallus containing schizopeltic acid, and 3-septate ascospores, 19–30 × 4.5–6 μm. Short descriptions and a discussion of distribution and ecology are given for all species. A key for all 11 Australian species of the genus is provided, including L. subfarinosa (C. Knight) Hellb. and L. tibelliana Egea & Torrente, which are recorded for Australia for the first time, and L. platygraphoides (Müll.Arg.) Zahlbr., a first record for New South Wales. Lecanactis spermatospora Egea & Torrente and L. sulphurea Egea & Torrente are also included.

Keywords

biodiversitylichenized Ascomyceteslichenstaxonomy
Type
Standard Papers
Information
The Lichenologist , Volume 53 , Issue 1 , January 2021 , pp. 95 - 101
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of the British Lichen Society

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