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Alan Silverside's Lichen Pages
Lecanora campestris (Schaer.) Hue
subsp. campestris
Typically in circular colonies, thallus whitish to pale grey, warted and areolate, surface soralia lacking in the type subspecies; apothecia usually abundant, red- to dark brown. Widespread and generally common on concrete and calcareous rocks.
Refs: Smith et al. (2009), 441; Purvis et al. (1992), 300; Dobson (2005), 216 (photo); Allen (2007), 33 (photo); Wirth (1995), 1: 458; van Herk & Aptroot (2004), 202-203 (photo).
Photographs: Wicken Fen, Cambridgeshire, April 2007
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Uploaded March 2008, last modified June 2010
