A world key to the species of Pyxine with lichexanthone, with a new species from Brazil

A world key is given to the species of Pyxine with lichexanthone in the upper cortex. Pyxine pustulata Aptroot & Jungbluth is described as a new corticolous species of Pyxine from São Paulo State in Brazil, with lichexanthone in the cortex, upper surface K−, a yellow to ochraceous medulla and cl...

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Bibliographic Details
Published in:The Lichenologist (London) 2014-09, Vol.46 (5), p.669-672
Main Authors: APTROOT, André, JUNGBLUTH, Patricia, CÁCERES, Marcela E. S.
Format: Article
Language:English
Subjects:
Pyxine
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Summary:A world key is given to the species of Pyxine with lichexanthone in the upper cortex. Pyxine pustulata Aptroot & Jungbluth is described as a new corticolous species of Pyxine from São Paulo State in Brazil, with lichexanthone in the cortex, upper surface K−, a yellow to ochraceous medulla and clusters of laminal polysidiangia. Brazil is clearly the centre of Pyxine diversity, with 34 out of c. 70 species known worldwide.
ISSN:0024-2829
1096-1135
DOI:10.1017/S0024282914000231