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Additions to the global diversity of Cladonia

Published online by Cambridge University Press:  27 September 2016

Teuvo AHTI ,
Raquel PINO-BODAS ,
Adam FLAKUS  and
Soili STENROOS
Teuvo AHTI*
Affiliation:
Botanical Museum, Finnish Museum of Natural History, FI-00014 University of Helsinki, Finland
Raquel PINO-BODAS
Affiliation:
Botanical Museum, Finnish Museum of Natural History, FI-00014 University of Helsinki, Finland
Adam FLAKUS
Affiliation:
Laboratory of Lichenology, W. Szafer Institute of Botany, Polish Academy of Science, Lubicz 46, PL-31-512, Krákow, Poland
Soili STENROOS
Affiliation:
Botanical Museum, Finnish Museum of Natural History, FI-00014 University of Helsinki, Finland
*
Email: teuvo.ahti@helsinki.fi
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Abstract

In our ongoing study of the genus Cladonia, we have encountered several specimens that have proved to represent undescribed species. Four of them are described here as new. Cladonia camerunensis (Cameroon) resembles C. didyma (Fée) Vain., but the former has a coarsely granular surface and a melanotic podetial base; C. compressa (Bolivia) is distinguished by a dominant primary thallus and deeply divided and phyllopodiate podetia; C. longisquama (Seychelles) has well-developed squamules and contains barbatic acid; C. vescula (Bolivia, Peru) differs from C. peziziformis (With.) J. Laundon by an ecorticate podetial surface and the production of homosekikaic acid. The names C. aspera Ahti & Kashiw. and C. crinita (Delise ex Pers.) Ahti are shown to be illegitimate later homonyms and are replaced by the names C. asperula and C. perfoliata, respectively. The neglected name C. botryoides (Tuck.) Vain. is shown to be a synonym of C. squamosa. Another overlooked name, C. crinita Bertol., is shown to be the earliest name for C. evansii, but we propose to retain the latter through conservation. The typification of C. beaumontii Tuck. is amended. Cladonia conspicua is reinstated on the basis of new data. New range extensions in Canada and the United States are given for the poorly documented species C. oricola.

Keywords

Africaeastern North AmericalichennomenclatureSouth Americataxonomy
Type
Articles
Information
The Lichenologist , Volume 48 , Issue 5 , September 2016 , pp. 517 - 526
Copyright
© British Lichen Society, 2016 

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