Descripción: |
Picture taken on the 9th April 2007 at "Gorges du Segre" near Bains de Lló, Llo, Oriental Pyrenees, France, on metamorphic schists, siliceous rock, permanently watered, partially immersed the major part of the time, water-track, almost vertical position, 85 º, West orientation, iron metal-rich area, 1380 m. altitude.
Holarctic distribution. In Catalonia it has been only found at Pyrenees (Aiguestortes) and Montseny. It has to be considered an amphibious species.
Saxicolous, siliceous, hydrophillous, foliose thallus, polyphyllous, Dark brown colour when dry or normally green when wet, thick, it forms a mat of erected and contorted lobes up to 2 cms. Upper surface pitted with brown (almost black) ostioles. Dermatocarpon belongs to the Verrucariales. Perithecia about 0,3 mm in diameter.
Medulla Melzer´s I+ red-brown.
Armand Tomás Vidal
Nikon Coolpix 4.500
Autoeye, PH and HTLM Editor |