Usnea wasmuthii Parmeliaceae
Usnea wasmuthii

Growth type fruticose
Chemical reactions are variable, either medulla K-, P- or K+ yellow-orange to red, P+ yellow after 1 minute.

Local distribution on deciduous trees, mainly N and W Britain and Ireland.

Very similar to Usnea subfloridana but soralia more oval and isidiomorphs +/- restricted to main branches. Base blackened but with a different cracking-pattern. Apothecia absent.

Easily confused with U. subfloridana, medulla K+ yellow, P+ yellow-orange instantly


Usnea wasmuthii


Usnea wasmuthii


Usnea wasmuthii
Usnea wasmuthii
Arne, Dorset. February 2014

All images used are copyright. Please contact me if you find errors.