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

Aptroot, AndreJungbluth, Patricia [UNESP]Caceres, Marcela E. S.2015-03-182015-03-182014-09-01Lichenologist. Cambridge: Cambridge Univ Press, v. 46, n. 5, p. 669-672, 2014.0024-2829http://hdl.handle.net/11449/116815A 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 Sao 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.669-672englichenPhysciaceaeSao PaulosystematicstaxonomytropicalA world key to the species of Pyxine with lichexanthone, with a new species from BrazilArtigo10.1017/S0024282914000231WOS:000340709600006Acesso restrito