Lecanoraceae Lecanora conizaeoides Growth type crustose Chemical results: K+/- weak yellow, C-, P+ orange > red, UV+ dull orange Previously abundant in areas with S02 pollution, range decreasing as air becomes cleaner. Now mainly found on wooden fences, pine twigs, trunks of old birches and on Calluna stems. Thick granular-sorediate, greyish-green thallus, the small buff-brown or green-brown apothecia with sorediate margins. Spores 8-14 x 5-8 µm. Conidia thread-like or curved, 12-22 x 0.5-1 µm. Micro photos below. Host to Athelia arachnoidea, Lichenoconium lecanorae and L. erodens. Similar: Lecanora confusa and Lecanora varia

Microscope photographs




Lecanora conizaeoides
On fence post and seat. Kimmeridge, Dorset. January 2013 and March 2014