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Caloplaca squamuloisidiata, a new lichen species from Portugal and Spain

Published online by Cambridge University Press:  19 October 2006

Pieter P. G. van den BOOM
Arafura 16, NL-5691JA Son, the Netherlands
Víctor J. RICO
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense, E-28040 Madrid, Spain


Caloplaca squamuloisidiata van den Boom & V. J. Rico is described as new to science. It is a saxicolous species, pale green to grey, with olivaceous patches, with a rimose-areolate, squamulose, lobulate and isidiate thallus, growing on inland exposed acid rock faces in the western half of the Iberian Peninsula in the Mediterranean region. Its ecology and distribution, and the lichen communities in which it was found are presented. A key to the isidiate and granular-isidiate Caloplaca species in Western Europe is also included.

Research Article
© British Lichen Society 2006

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