Images of British Lichenicolous Fungi
Lichenoconium xanthoriae M.S.Christ.
Ascomycota, incertae sedis (anamorph): black pycnidia set in the host apothecia, producing brown, subglobose conidia, 2.5 – 6 µm in diameter, parasitising Teloschistaceae species, principally Xanthoria parietina and X. polycarpa, reported also on other foliose genera but doubted by Diederich (in Nash et al., 2004). Widespread, seemingly scarce but undoubtedly much overlooked.
Refs: Hawksworth (1981), 33-4 (line illustration); Hawksworth (1983), 27; Diederich in Nash et al. (2004), 661.
|On Xanthoria parietina on Elder (Sambucus nigra), Balnakeil, West Sutherland, August 2012|
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