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Images of British Lichens



Calicium viride Pers.


A 'pin' lichen, with tiny, black, stalked apothecia approx. 1–2 mm in height, breaking down into a powdery spore-mass, standing up from a bright green granular-crustose thallus; ascospores 1-septate, with dark, ornamented walls. Widespread and generally common on dry bark.

Refs: Smith et al. (2009), 245; Purvis et al. (1992), 141; Dobson (2005), 92 (photo); Dobson (2011), 100 (photo); Jahns (1983), 180-1 (photo); Whelan (2011), 56 (photo); van Herk & Aptroot (2004, 2013), 86-7 (photo); Wirth (1995), 1: 202, 206 (splendid photo); Wirth, Hauck & Schulz (2013), 1: 256-7 (photo); Nordic Lichen Flora (1999) 1: 29, 83 (photo); Moberg & Holmåson (1984), 65 (photo); Holien & Tønsberg (2008), 140 (photo); Stenroos et al. (2011), 82 (photo); Puntillo (1996), plate 7 (photo); Brodo et al. (2001), 194 (photo); Thomson (1997), 144.

FGBI: http://fungi.myspecies.info/all-fungi/calicium-viride

 
Calicium viride, close-up
Calicium viride
On Sycamore (Acer pseudoplatanus), Kindrogan, Perthshire, March 2008
 
 
Calicium viride, ascospores
Ascospores, Kindrogan, Perthshire, April 2002


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© A.J. Silverside
Uploaded March 2008, last updated January 2016 (first hosted at www-biol.paisley.ac.uk, January 2003)