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Cladonia scabriuscula (Delise) Leight.


Podetia tall, slender, pointed, sparingly ± dichotomously branched, the branches ascending, podetial surface partly decorticate, corticate regions scabrid with small, discoid, peeling squamules, ultimate branches granular-sorediate; apothecia brown. Widespread but scattered, more frequent in the east, on well-drained acid soils and dry peat surfaces. Formerly considered a variant of C. furcata.

Refs: Smith et al. (2009), 335; Purvis et al. (1992), 208; Nordic Lichen Flora (2013) 5: 71, 106 (photo); van Herk & Aptroot (2004, 2013), 156-7 (photo); Aptroot et al. (2011), 112-3 (photos); Krog et al. (1994), 168 (photo); Stenroos et al. (2011) 167 (photo); Wirth (1995), 1: 302; Thomson (1967) 120, plate 16, fig. 77b (photo); Hinds & Hinds (2007), 205 (photo); Brodo et al. (2001), 270 (photo); Lichen Atlas of the British Isles 2: 415 (1996).

 
Cladonia scabriuscula
Amongst peat and stones of collapsed drystone wall, Langbank, Renfrewshire, September 2009
 
Cladonia scabriuscula
Cladonia scabriuscula
Cladonia scabriuscula, close-up
Dry, peaty bank, Glen Tilt, Perthshire, April 2008


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Uploaded April 2009, last updated January 2014