Usnea florida

Thallus fruticose epiphytic, 3-10 cm, branches grey-green.
Apothecia very frequent, disc 5-10 mm, with marginal projections 5mm long.
Thallus K+ yellow, P+ yellow-orange
Ascospores ellipsoid: 8-11x5-7µm
Ecology: subalpine forest 
Altitude: 1.100 m
Location: Canejan (La Vall d'Aran)
Climate: Oceanic (Tmm=9,6ºC, AT=15,3ºC, 939,7mm)
Subalpine forest - Canejan - Vall d'Aran
Usnea florida on Abies alba
Usnea florida x30
Usnea florida x1000

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