Descripción: |
Picture taken on 24th February 2007, on schists, at the top of Catiu d'Or, Montseny, Barcelona, 1660 m. altitude, in a place with frequent fog.
Cosmopolite, Holarctic, it has been found in Catalonia at Maresma and Montseny, in misty places, saxicolous, silicious.
Crustose, thallus from grey to brown-grey, areolate, warted, uneven, thick, without pruina. Apothecia frequent, partially immersed,urceolate, concave disc, black, pruinose, up to 2 mms in diameter,double margin, protruding.
Cortex K +- yellow, Cl+ red
Lecanoric acid
Var. violarius K+ yellow, after brown and violete (with atranorine).
Armand Tomás Vidal
Nikon Coolpix 4.500
PH and HTLM Editor. |