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Hyperphyscia adglutinata (Flörke) H.Mayrhofer & Poelt


Thallus foliose, minute, lobes c. 0.5mm in width, appressed to substrate, grey-green, green when damp, more brownish when dry, dotted with tiny, conspicuously paler, convex soralia; apothecia brown with thalline margins, but rare and with spores generally remaining immature. Widespread and locally common, more so in the south, in sheltered depressions and crevices on nutrient-rich bark and more rarely on rocks. Often first noticed by its dot-like soralia.

Refs: Smith et al. (2009), 435; Purvis et al. (1992), 273; Dobson (2005), 189-90 (photo); Dobson (2011), 195 (photo); Jahns (1983), 252-3 (photo); van Haluwyn et al. (2009), 88-89 (photo); van Herk & Aptroot (2004, 2013), 190-191 (photo); Valcárcel et al. (2003), 198-9 (photo); Wirth et al. (2004), 114 (photo); Wirth, Hauck & Schulz (2013), 1: 527 (photo),2: 875; Frahm et al. (2010), 107 (photo); Nordic Lichen Flora (2002) 2: 27, 96 (photo); Thor & Arvidsson (1999), 272 (photo, showing apothecia); Brodo et al. (2001), 343 (photo); Hinds & Hinds (2007), 265 (photo); Lichen Atlas of the British Isles 3: 1125 (1998).

FGBI: http://fungi.myspecies.info/all-fungi/hyperphyscia-adglutinata

Hyperphyscia adglutinata
On willow (Salix), Saltash, Cornwall, August 2008
 
Hyperphyscia adglutinata
Hyperphyscia adglutinata
On Alder (Alnus glutinosa), Slapton, Devon, August 2011
 
Hypocenomyce scalaris, close view with scale
On Sycamore (Acer pseudoplatanus), Stoneykirk, Wigtownshire, April 2013


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Uploaded October 2013, updated January 2016