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Images of British Lichens

Leprocaulon microscopicum (Vill.) Gams ex D.Hawksw.

Primary thallus leprose, consisting of powdery, somewhat tomentose, blue-grey to blue-green granules, from this arise short, fine, aerial branches (pseudopodia) bearing granules and soredia; apothecia unknown. Generally northern and western, on thin soil in rock crevices, more rarely on open soil, on peat banks and on tree trunks.

Refs: Smith et al. (2009), 541; Purvis et al. (1992), 347; Dobson (2005), 244 (photo); Dobson (2011), 251 (photo); Whelan (2011), 108 (photo); Stenroos et al. (2011), 244 (photo); Wirth (1995), 2: 542 (photo); Wirth et al. (2004), 305 (photo); Wirth, Hauck & Schulz (2013), 2: 687 (photo); Puntillo (1996), plate 23 (photo); Valcárcel et al. (2003), 230-1 (photo). .

Leprocaulon microscopicum
Leprocaulon microscopicum
On riverside rockface, Newbridge, Devon, August 2011|
Leprocaulon microscopicum
Leprocaulon microscopicum (close-up, studio shot)
On riverside rockface, Ardclach, Morayshire, August 2010 (BLS meeting)

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© A.J. Silverside
Uploaded April 2013, updated September 2013