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Parmeliella borbonica, a new lichen species from Réunion

Published online by Cambridge University Press:  01 October 2010

Per M. JØRGENSEN
Affiliation:
Department of Natural History, Bergen Museum, University of Bergen, Allégt.-41, N-5007 Bergen, Norway.
Felix SCHUMM
Affiliation:
Mozart str. 9, BRD-73117 Wangen, Germany.

Abstract

The new species Parmeliella borbonica is described. It belongs in a small group of species, which, unlike all other Parmeliella species except those of the Parmeliella mariana group, have thalline squamulose margins of the apothecia, and are thus superficially reminiscent of Pannaria. The group is mainly Indo-pacific. A key to the species is given. Parmeliella borbonica appears to be an addition to the many remarkable endemic members of the Pannariaceae found in Réunion which has retained old Gondwana elements, as its lowland forests have not been destroyed as much as those in the neighbouring region. The very rare Coccocarpia imbricascens Nyl. was found as new to the island, and the rare endemic Pannaria multifida P. M. Jørg close to its type locality.

Type
Research Article
Copyright
Copyright © British Lichen Society 2010

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