Images of British Lichens
Catinaria atropurpurea (Schaer.) Vĕzda & Poelt.
Thallus crustose thin, extensive, brownish white to grey-brown, smooth to minutely granular; apothecia small, generally less than 0.5 mm diameter, red- to purple-brown to dull black, with thick proper margins when young, commonly said to look like wine-gums, asci with 8 ascospores. On bark or overgrowing mosses on mature trees, generally in old forest or parkland, widespread but largely absent from central and eastern England.
Refs: Smith et al. (2009), 289; Purvis et al. (1992), 169 (as Catillaria atropurpurea); Dobson (2005), 116 (photo); Dobson (2011), 124-5 (photo, poor); Whelan (2011), 66 (photo); Puntillo (1996), plate 11 (photo).
|On Ash (Fraxinus excelsior), Ballygrant, Islay, May 2011, BLS meeting|
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Uploaded March 2013, updated January 2016