Usnea hirta A04917.jpg

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Usnea hirta, minor branch of thallus showing copious production of spinule-like isidia. Collection from bark of Pinus sylvestris, Easterness, 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