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Nimisia Fuegiae (Parmeliaceae), a New Lichen Genus and Species From Argentina

Published online by Cambridge University Press:  28 March 2007

I. Kärnefelt  and
A. Thell
I. Kärnefelt
Affiliation:
Department of Systematic Botany, University of Lund, Ostra Vallgatan 18-20, 223 61 Lund, Sweden.
A. Thell
Affiliation:
Department of Systematic Botany, University of Lund, Ostra Vallgatan 18-20, 223 61 Lund, Sweden.
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Abstract

Nimisia fuegiae Kärnef. & Thell gen. et sp. nov. is described from Argentinian Tierra del Fuego. The new lichen differs from possibly related groups within the Parmeliaceae in unique anatomical characters, i.e. a medullary layer composed of extremely thick and strongly gelatinized periclinally arranged hyphae and a lower cortex composed of only a few layers of strongly pigmented, rather large cells. Ascus characters support its position in the Parmeliaceae. The new genus, which is named in the honour of its first discoverer, is discussed in relation to several other well-investigated members of the family.

Type
Research Article
Information
The Lichenologist , Volume 25 , Issue 4 , October 1993 , pp. 369 - 377
Copyright
Copyright © British Lichen Society 1993

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