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Teuvoa, a new lichen genus in Megasporaceae (Ascomycota: Pertusariales), including Teuvoa junipericola sp. nov.

Published online by Cambridge University Press:  07 May 2013

Mohammad SOHRABI
Affiliation:
Iranian Research Organization for Science and Technology (IROST), P.O. Box 33535-111, Tehran 15819, Iran. Email: msohrabi@myco-lich.com
Steven D. LEAVITT
Affiliation:
Department of Botany, The Field Museum of Natural History, 1400 S. Lakeshore Drive, Chicago, IL 60602, USA
Víctor J. RICO
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense, E-28040, Madrid, Spain
Mehmet G. HALICI
Affiliation:
Erciyes Üniversitesi, Fen Edebiyat Fakültesi, Biyoloji Bölümü, 38039 Kayseri, Turkey
Gajendra SHRESTHA
Affiliation:
Department of Biology and the Monte L. Bean Life Science Museum, Brigham Young University, Provo, UT 84602, USA
Soili STENROOS
Affiliation:
Botany Unit, Finnish Museum of Natural History, P.O. Box 7, FI-00014, University of Helsinki, Finland
Corresponding
E-mail address:

Abstract

The relationship of Aspicilia uxoris within Megasporaceae is assessed within a phylogenetic context. ‘Aspiciliauxoris and other related species are recovered as sister to the genus Lobothallia s. str. and described here as a new genus. Teuvoa (Ascomycota, Megasporaceae) is erected based on nuclear ITS and LSU sequence data and morphological characters. In addition to Teuvoa uxoris, a second species, T. junipericola, is added to the new genus based on material collected from North America. Teuvoa junipericola, T. uxoris and T. tibetica form a group with 8-spored asci, absence of extrolites, rather short-sized conidia and ascospores, lack of a subhypothecial algal layer, and different substratum preferences (on organic substratum) with a sister relationship to genus Lobothallia s. lat. (Aspicilia subgenus Pachyothallia Clauzade & C. Roux). Based on spore measurements of the holotypes, Lecanora ferganensis Tomin from central Asia (Kyrgyzstan, Tajikistan and Uzbekistan), Lecanora atrodiscata Gintovt, from Tajikistan and Lecanora takyroides Dzhur. from Turkmenistan are new synonyms to T. uxoris. A lectotype for Lecanora ferganensis is designated, expanding the known distribution of T. uxoris from Algeria, Morocco and Spain, into Central Asia.

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Published by Cambridge University Press on behalf of The British Lichen Society, 2013

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Teuvoa, a new lichen genus in Megasporaceae (Ascomycota: Pertusariales), including Teuvoa junipericola sp. nov.
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