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Buellia peregrina sp. nov., a new, euendolithic calcicolous lichen species from the Namib Desert

Published online by Cambridge University Press:  22 December 2006

Frank BUNGARTZ  and
Volkmar WIRTH
Frank BUNGARTZ
Affiliation:
Charles Darwin Research Station, Botany Department, Casilla 17-01-3891, Quito, Ecuador. Email: fbungartz@fcdarwin.org.ec
Volkmar WIRTH
Affiliation:
Staatliches Museum für Naturkunde Karlsruhe, Erbprinzenstr. 13, D-76133 Karlsruhe, Germany
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Abstract

Buellia peregrina is described as new to science from small limestone pebbles on exposed ground of the coastal Namib Desert, Namibia. The species is unusual for two reasons: (1) it is the only species in Buellia s.l. currently known to grow euendolithically, i.e., establishing a thallus entirely within its rock substratum, and (2) its apothecia contain a previously unknown blue pigment, here described as peregrina-blue according to its colour and characteristic reactions with HNO3, KOH and HCl.

Keywords

apothecial pigmentsBuellia peregrinaendolithic lichensNamibiaperegrina-blue
Type
Research Article
Information
The Lichenologist , Volume 39 , Issue 1 , January 2007 , pp. 41 - 45
Copyright
© British Lichen Society 2007

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