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Candelariella blastidiata sp. nov. (Ascomycota, Candelariaceae) from Eurasia and North America, and a key for grey thalli Candelariella

Published online by Cambridge University Press:  10 March 2017

Lidia S. YAKOVCHENKO
Affiliation:
Institute of Biology and Soil Science, Stoletiya Vladivostoka Avenue, 159, RU-690022, Vladivostok, Russia. Email: [email protected]
Jan VONDRÁK
Affiliation:
Institute of Botany, Zámek, 1, 252 43 Průhonice, Czech Republic
Yoshihito OHMURA
Affiliation:
Department of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki, 305-0005, Japan
Evgeny S. KORCHIKOV
Affiliation:
Department of Ecology, Botany and Nature Protection, Samara National Research University, Academic Pavlov Str., 1, Samara, RU-443011, Russia
Olga S. VONDRÁKOVA
Affiliation:
Laboratory Biogeography and biodiversity monitoring, Institute of steppe, Pionerskaya Str., 11, Orenburg, RU-460000, Russia
Evgeny A. DAVYDOV
Affiliation:
Altai State University, Lenin Prosp. 61, Barnaul, RU-656049, Russia

Abstract

Candelariella blastidiata Yakovchenko sp. nov. is described. This corticolous species is characterized by biatorine yellow apothecia, a grey squamulose thallus with marginal and lower side blastidia, 8-spored asci, and a northern circumpolar distribution. Candelariella subdeflexa has previously been confused with C. blastidiata, but our analyses of phenotypic and DNA sequence data revealed C. blastidiata should be distinguished from C. subdeflexa. A worldwide key for Candelariella species with grey thalli is provided.

Type
Articles
Copyright
© British Lichen Society, 2017 

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