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Images of British Lichens

Rhizocarpon ochrolechiae (Poelt & Nimis) Hafellner

Thallus parasitic, immersed in the host tissue; apothecia convex, brown-black, ascospores submuriform (partly compartmentalised by both cross-wise and shortly longitudinal septa). On Ochrolechia parella, rare or overlooked, Wales, Inner Hebrides of western Scotland, mostly coastal.

Refs: Smith et al. (2009), 803.

Rhizocarpon ochrolechiae in Ochrolechia parella
On Ochrolechia parella, on basalt coastal rocks near Port Mòr, Isle of Muck, June 2012 (BLS meeting, material lent by Brian Coppins)

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© A.J. Silverside
Uploaded December 2013