Aspicilia grisea 2.jpg

Licence: 
Creative Commons Licence
Description: 

Aspicilia grisea, growing on a sarsen stone, Fyfield Down, Wiltshire. The thallus, in this case, is of convex, medium-grey areoles, among which circular soralia are present. The population at Fyfield, as well as other occurrences in southern England have a K+ yellow thallus (rather than K+ red).

Taxonomic name: 
Aspicilia grisea (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