Pertusaria pertusa P2251040

Licence: 
Creative Commons Licence
Description: 

Pertusaria pertusa, thallus on calcareous sandstone, VC62 SE Yorkshire.

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