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Images of British Lichens

Vahliella leucophaea (Vahl) P.M.Jørg.
(= Pannaria leucophaea (Vahl) P.M.Jørg.; Fuscopannaria leucophaea (Vahl) P.M.Jørg.)

Thallus composed of minute, crowded to imbricated, somewhat swollen, crenulate, grey to grey- or dark-brown to blackish squamules, soredia absent; apothecia with brown to blackish, flat to convex discs and with thalline margins that may be variably developed, conspicuous to almost absent. Local, mostly in the west, on damp rocks and sometimes on tree-bases.

Refs: Smith et al. (2009), 931; Purvis et al. (1992), 420 (as Pannaria); Wirth (1995), 2: 634 (photo); Wirth, Hauck & Schulz (2013), 2: 800, 1141 (photo); Moberg & Holmåson (1984), 166 (photo, as Pannaria); Nordic Lichen Flora (2007) 3: 102, 180 (photo, as Fuscopannaria); Stenroos et al. (2011), 223 (photo, as Fuscopannaria).

Vahliella leucophaea
Vahliella leucophaea, magnified view
On damp, sheltered cliff-face, Bàgh a Ghallanaich, Isle of Muck, June 2012

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© A.J. Silverside
Uploaded July 2012, last updated September 2013