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1 June 2012 Hypotrachyna altorum sp. nov., a New Lichen from the Cloud Forests of Réunion Island, Indian Ocean
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Abstract

Hypotrachyna altorum (Ascomycota, Parmeliaceae) is described as a new corticolous lichen species from the montane cloud forests of Réunion Island (Mascarene archipelago). It is similar to the Brazilian species H. silvatica (Lynge) Hale from which it differs by the size and shape of the ascospores, medullary pigmentation, habitat and distribution. The new taxon is briefly compared to other Hypotrachyna species with similar secondary metabolites.

La nouvelle espèce Hypotrachyna altorum (Ascomycota, Parmeliaceae) est décrite des forêts des nuages de l'île de La Réunion (archipel des Mascareignes). Ce lichen corticole ressemble à l'espèce brésilienne H. silvatica (Lynge) Hale dont il se distingue par la taille et la forme de ses ascospores, la pigmentation de sa médulle, son habitat et sa répartition. Le nouveau taxon est brièvement comparé aux autres Hypotrachyna contenant des métabolites secondaires semblables.

© 2012 Adac. Tous droits réservés
Didier Masson "Hypotrachyna altorum sp. nov., a New Lichen from the Cloud Forests of Réunion Island, Indian Ocean," Cryptogamie, Mycologie 33(2), 203-212, (1 June 2012). https://doi.org/10.7872/crym.v33.iss2.2012.203
Published: 1 June 2012
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