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Some fungi are very poisonous so a mistaken ID could have serious consequences.
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This is unusual for C. coniocraea in that the basal squamules are very deeply incised and look much more like the squamules of C. squamosa. That species, though, does not have sorediate podetia, which the one here clearly does. I think it is correctly named, but it is peculiar.
Above first posted 28 November 2011 - 9:55pm
Note added as edit:
In posting this I was aware that the squamules also matched C. ochrochlora but was put off by the heavy development of soredia. However, on further examination of the photographs I am satisfied that in all other characters the lichen fits C. ochrochlora well, and soredial development is a variable character and not outside the range of variation for this species. Hence my revision of the identification, now posted.
I agree it is Cladonia Concraea, it definitely has the characteristics and colours. Lovely find, really interesting photo.
Lat/Lng: 50.806, -1.432
OS grid ref: SU401008