Verrucaria obfuscans2.jpg

Licence: 
Creative Commons Licence
Description: 

Verrucaria obfuscans, thallus composed of rounded algal units (most units containing a single perithecium) agglomerated into areoles separated by cracks. Growing on iron-stained limestone windowsill of church, Oxfordshire.

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