Picture taken on the 6th April 2007, at the nearby of Targasonne cimetery,Alta Cerdanya, Oriental Pyrenees, France, Catalonia, on man-made stone walls,siliceous rock, on the top, 1650 m. altitude.
The stones are nutrient-enriched rocks and they receive a lot of bird droppings.
In the present picture it is possible to see a nitrophilous, coprophilous community formed by Physcia dubia (central lichen, grey colour), Xanthoria candelaria (Red-orange Xanthoria with a lot of apothecia and lobes with granules and soredia) Rhizoplaca chrysoleuca (dull green colour, orange apothecia disc) and Rhizoplaca melanophthalma accompanied by Rhizocarpon geographicum.
Armand Tomás Vidal
Nikon Coolpix 4.500 and an umbrella, taken under the rain.
És molt interessant com una comunitat tant rica de líquens es el resultat de la presència de roques molt riques de nutrients i per les abundants dejeccions d'ocells.