Parmeliaceae
Usnea esperantiana Growth type fruticose Chemical results: Medulla: K+ yellow > red, C-, KC-, P+ red Can be locally frequent on small branches and twigs of deciduous trees and shrubs in the south and west of England and Ireland, often in well-lit exposed situations and orchards. BLS conservation evaluation: NT NR Sc IR Small, usually erect thallus, base not blackened, medulla +/- lax. The thin, twisted, scabrid branchlets are not or slightly constricted, tips curled or contorted and covered with irregular, excavate soralia. Isidia absent, apothecia very rare. |
Usnea esperantiana
Studland, Dorset. August 2013