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Images of British Lichens

Ramalina canariensis J.Steiner

Thallus fruticose, tufted, with ragged, flattened branches that broaden from the base and are often hollow and partly inflated, branch surfaces smoothly wrinkled, lacking pseudocyphellae, soredia produced from lateral or subterminal soralia that are splits along the margin, and also in inflated, ruptured, terminal vesicles; apothecia laminal or marginal but very rare. Widespread but local on trunks, rocks and walls, much more common in south and south-west England and Wales. Not, on the whole, an elegant species.

Refs: Refs: Smith et al. (2009), 783; Purvis et al. (1992), 526; Dobson (2005), 381-2 (photo); Dobson (2011), 384 (photo); van Haluwyn et al. (2009), 130-1 (photo); Wirth et al. (2004), 44 (photo).

Ramalina canariensis
Ramalina canariensis, soralia
On Ash (Fraxinus excelsior), Slapton, Devon, August 2011, lower photograph showing marginal and vesicular soralia
Ramalina canariensis
Young thallus on trunk of parkland tree, Pembroke, Pembrokeshire, May 2009

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© A.J. Silverside
Uploaded December 2011, last modified April 2012