Rhizocarpon umbilicatum A17582

Licence: 
Creative Commons Licence
Description: 

Rhizocarpon umbilicatum, detail of thallus, showing the pruinose apothecial margins. Collection from limestone, VC64 MW 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