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Three new Xanthoria species from South Africa: X. hirsuta, X. inflata and X. doidgeae

Published online by Cambridge University Press:  07 November 2007

Christof EICHENBERGER
Affiliation:
Institut für Pflanzenbiologie, Universität Zürich, Zollikerstrasse 107, CH-8008 Zürich, Switzerland. E-mail: rohonegg@botinst.unizh.ch
André APTROOT
Affiliation:
ABL Herbarium, Gerrit van der Veenstraat 107, NL-3762 XK Soest, The Netherlands
Rosmarie HONEGGER
Affiliation:
Institut für Pflanzenbiologie, Universität Zürich, Zollikerstrasse 107, CH-8008 Zürich, Switzerland. E-mail: rohonegg@botinst.unizh.ch

Abstract:

Three new Xanthoria species are described from South Africa. Xanthoria hirsuta sp. nov. has hairs on the surface of the thallus and apothecia, best visible in young, growing parts. Dust particles and sand granules stick to this hairy surface, giving the thallus a somewhat dirty appearance. Xanthoria inflata sp. nov. has inflated lobes similar to a Menegazzia. It carries numerous crystals on its medullary hyphae, which are ivory-coloured in young, but intensely orange coloured in old lobes. Xanthoria doidgeae sp. nov. has relatively small lobes with pruinose margins. All three species are fertile, none of them forms symbiotic propagules.

Type
Research Article
Copyright
Copyright © British Lichen Society 2007

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