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- Title
Three new Xanthoria species from South Africa: X. hirsuta, X. inflata and X. doidgea.
- Authors
Eichenberger, Christof; Aptroot, André; Honegger, Rosmarie
- 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. Xanthoparmelia perezdepazii from the Canary Islands is described as new to science. It is charactenzed by an isidiate upper surface, the presence of usnic, constipatic and protoconstipatic acids in the medulla and a brown lower surface.
- Subjects
CANARY Islands; SOUTH Africa; XANTHORIA; SPECIES; XANTHOPARMELIA
- Publication
Lichenologist, 2007, Vol 39, Issue 5, p451
- ISSN
0024-2829
- Publication type
Article
- DOI
10.1017/S0024282907006962