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Rhizocarpon Santessonii, A New Parasitic Lichen from Norway

Published online by Cambridge University Press:  28 March 2007

E. Timdal
E. Timdal
Affiliation:
Botanical Museum, University of Oslo, Trondheimsveien 23 B, N-0562 Oslo 5, Norway
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Abstract

Rhizocarpon (subgenus Phaeothallus) santessonii sp. nov. is described from Norway. The species grows immersed in the areolae of Tremolecia atrata when young and later develops autonomous areolae. The species is further characterized by a yellowish grey thallus containing an unidentified pigment, a non-amyloidmedulla, and 1-septate spores which are persistently colourless or become unevenly brownwith age.

Type
Research Article
Information
The Lichenologist , Volume 18 , Issue 4 , October 1986 , pp. 317 - 320
Copyright
Copyright © British Lichen Society 1986

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