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Principal / Líquens / Rhizocarpon lavatum new for Catalonia and Verrucaria aethiobola

Rhizocarpon lavatum new for Catalonia and Verrucaria aethiobola

Rhizocarpon lavatum new for Catalonia and Verrucaria aethiobola





Image Details

Descripción: Picture taken on the 9th April 2007 at "Gorges du Segre" near Bains de Llo, Llo, Oriental Pyrenees, France, Catalonia, on metamorphic schists, siliceous rock, East orientation, 85 º, metal-rich area, 1380 m. altitude, in a water-track.

Holarctic distribution, subalpine and alpine stages. Mentioned in different Spanish Communities,but not in Catalonia (Biodiversity Data Base), although it appears in the "Enciclopedia Catalana".

Good images in Frank S. Dobson Lichens´book and Drs. Eva Barreno & Sergio Pérez, Líquenes de la Reserva Natural Integral de Muniellos (L. LXXIV).

Saxicolous, siliceous, hydrophilous,thallus pale grey to light ochre, with greenner places, smooth but normally cracked, up to 10 cm wide. Apothecia up to 1.5 mm in diameter, some with umbonate disc. Disc from brown to black, thalline margin from pale grey to almost black.

It forms an association with Verrucaria aethiobola and Hymenelia lacustris, the latter common in Galizia.

Negative chemical spot reactions.

Armand Tomás Vidal

Nikon Coolpix 4.500

Autoeye, PH and HTLM Editor
Fecha: 19.04.2007 22:55
Impactos: 1699
Descargas: 0
Puntuación: 0.00 (0 Votos)
Tamaño de archivo: 96.9 KB
Envíado por: atomasvidal
Palabras clave: Lichens, hydrophilous, liquens, liquenes, Flechten, Rhizocarpon, lavatum, Verrucaria, aethiobola, Llo, Oruental, Pyrenees, France, Catalonia.

Prodigy 4image Theme by Moxet Khan

Discussion

Autor: Comentario:
Francesc Baldrís
Miembro

Fecha de alta: 29.04.2005
Comentarios: 16028
Molt bona

Felicitats per la nova espècie per Catalunya.
20.04.2007 06:47 Offline Francesc Baldrís fbaldris at sigmascorpii.com