Usnea cornuta A05185.jpg

Licence: 
Creative Commons Licence
Description: 

Usnea cornuta, major branch cut away showing cortex, medulla and axis. Collection on bark of Betula, from Argyll, Scotland.

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