The sorediate, saxicolous species of the Lecanora subfusca group in Europe |
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| Authors: | Irwin M. Brodo,Bjö rn Owe-Larsson,H. Thorsten Lumbsch |
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| Affiliation: | Canadian Museum of Nature, P.O. Box 3443, Station D, Ottawa, Ontario KIP 6P4, Canada.;Botanical Museum (Fytoteket), Uppsala University, Villavägen 6, S-75236 Uppsala, Sweden.;Botanisches Institut, Universität Essen, Postfach 103 764, D-45117 Essen, Germany |
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| Abstract: | The sorediate, saxicolous members of the Lecanora subfusca group, which include L. campestris ssp. dolomitica, L. caesiosora, L. pannonica , and L. umbrosa , although frequently misnamed, can be distinguished morphologically and chemically. Lecanora caesiosora is most variable, with a southerly form having a dark grey, thick thallus, and a more northerly, often shade-loving, morphotype having a very pale, thin thallus. The species are described, and a diagnostic key is presented including some confusable species. Lecanora pannonica and L. neglecta are neotypified. |
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