Images of British Lichenicolous Fungi
Abrothallus microspermus Tul.
(anamorph: Vouauxiomyces truncatus (B. de Lesd.) Dyko & D. Hawksw.)
Ascomycota, incertae sedis: apothecia black, with indistinct margins, arising on the host thallus, ascospores brown, verrucose, 1-septate, cells unequal; anamorphic stage as dark brown to black pycnidia, conidia colourless, aseptate, pear-shaped with truncate base. Parasitic on Flavoparmelia caperata and, more rarely, Parmotrema perlatum, widespread, records mainly in the west but also East Anglia.
Refs: Hawksworth & Dyko (1979) Lichenologist 11: 51-61 (line illustrations and photomicrographs, as V. truncatus); Hawksworth (1981), 67-71 (line illustration and photomicrograph of conidia, as V. truncatus); Hawksworth (1983), 20 (as A. microspermus), 30 (as V. truncatus); Diederich in Nash et al. (2004), 627.
|Anamorph on Flavoparmelia caperata, Slapton, Devon, August 2011. Upper photograph: pycnidia; lower photograph: conidia.|
Index of Lichenicolous Fungi |
Index of Lichens |
Lichens HOME PAGE |
Conditions of Use & e-mail contact |
Site Home Page
© A.J. Silverside
Uploaded April 2014