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Images of British Lichens

Bacidia bagliettoana (A.Massal. & De Not.) Jatta

Thallus effuse, white to pale grey, coarsely granular; apothecia approx. 1mm diameter, black, flat, becominging only slightly convex. Widespread but local, commonly growing over mosses and plant debris, or on bare, calcareous, sandy soil or on old walls.

Refs: Smith et al. (2009), 196; Purvis et al. (1992), 111; Dobson (2005), 77-78 (photo); Dobson (2011), 84-5 (photo); van Herk & Aptroot (2004, 2013), 72-3 (photo); Aptroot et al. (2011), 39 (photos); Wirth, Hauck & Schulz (2013), 1: 197, 205 (photo); Puntillo (1996), plate 5 (photo); Thomson (1997), 98, 99 (photo).

Bilimbia sabuletorum occurs in similar habitats, differing in its brown, very convex apothecia and different spores.

Bacidia bagliettoana
Growing over mosses, on thin, sandy ground over limestone, Stackpole, Pembrokeshire, May 2009

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© A.J. Silverside
Uploaded January 2012, updated January 2014