Opegrapha xerica 3.jpg

Licence: 
Creative Commons Licence
Description: 

Opegrapha xerica, section of lirella mounted in K, showing the K+ green reaction of the pigments.

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