Images of British Lichenicolous Fungi
Vouauxiella verrucosa (Vouaux) Petr. & Syd.
Ascomycota, incertae sedis: pycnidia immersed in apothecia of Lecanora species, notably L. chlarotera, also on L. campestris, conidia grey-brown, coarsely verrucose, produced in chains. Widespread, but with scattered records and probably much under-recorded.
Refs: Hawksworth (1976), 58 (line illustration); Hawksworth (1981), 67; Hawksworth (1983), 28; Sutton (1980), 24, 25 (line illustration).
Vouauxiella lichenicola is a more common species on Lecanora spp., differing in its smooth-walled or minutely verrucose conidia. Microscopic examination is required for identification of these species.
|Vouauxiella verrucosa in apothecia of Lecanora campestris, on churchyard wall, Slapton, Devon, August 2011.|
|Squash of pycnidium and spores (in ammonia, examined with Nomarski DIC, which has taken out some of the brown colour of the spores),|
in apothecium of Lecanora campestris on churchyard wall, Slapton, Devon, August 2011.
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Uploaded March 2013