Verrucaria obfuscans3.jpg

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Verrucaria obfuscans, thallus rather thinly developed in this colony, perithecia characteristically prominent (only about half-immersed). Growing on limestone string course where contaminated with run-off from metal window grilles above. Great Miton church, Oxfordshire.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith