Images of British Lichens
Sticta fuliginosa (Hoffm.) Ach.
Mature thallus of grouped, rounded,often single lobes, grey to grey-brown, surface abundantly isidiate when mature, the isidia becoming smoky-brown, margins not sorediate, under-surface brownish-tomentose, with scattered, white or pale cyphellae (breaks in the lower cortex); apothecia rare, said to be red-brown with crenate or minutely hairy margins. On mossy trees and rocks, mostly in the west and generally in old, humid forest. Compare S. sylvatica.
Refs: Smith et al. (2009), 866; Purvis et al. (1992), 583; Dobson (2005), 419 (photo); Dobson (2011), 424 (photo); Jahns (1983), 244-5 (photo); Whelan (2011), 143 (photo); van Haluwyn et al. (2009), 54-5 (photos); Valcárcel et al. (2003), 354-5 (photo); Wirth (1995), 2: 884-5 (photo, wet); Holien & Tønsberg (2008), 117 (photo); Nordic Lichen Flora (2007) 3: 85, 207 (photo); Thor & Arvidsson (1999), 328 (photo, underside, showing cyphellae), 492; Brodo et al. (2001), 672, 673 (photo); Hinds & Hinds (2007), 467 (photo); McCune & Geiser (2009), 327 (photo); Walewski (2007), 127 (photo); Lichen Atlas of the British Isles 3: 1367 (1998).
In American books, called the "Peppered Moon Lichen". I rather like that.
|On humid rocks, near Port Mòr, Isle of Muck, July 2012 (BLS meeting)|
|On Sycamore (Acer pseudoplatanus), near Port Mòr, Isle of Muck, July 2012 (BLS meeting)|
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