Usnea rubicunda A05241.jpg

Creative Commons Licence

Usnea rubicunda, longitudinal section through major branch showing red pigmentation in the cortex and hyaline (white) medulla and axis. Collection from wood palings of Castanea sativa, Cantal, France.

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