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    <title>DigitalNatura.Org - Lecidea lapicida (=Lecidia lactea) new  for the Oriental Pyrenees, with Lecidella carpathica and Rhizocarpon cf. sublucidum</title>
    <link>http://digitalnatura.org/details.php?image_id=6052</link>
    <description><![CDATA[Picture taken on the 6th April 2007 at Targasonne, Oriental Pyrenees, France, Catalonia, on a very exposed rock, granite boulder, flat surface, 1.650 m. altitude.

Saxixolous, siliceous, non stegophilous, nitrophilous, heliophilous, uplands, mountain and alpine stages. Common, however, It has been only mentioned once in Catalonia at Montseny by Dr. Nestor Hladun and it is not yet mentioned in the Oriental Pyrenees.

Crustose, white thallus not so thick as in Buellia subdisciformis, black prothallus, normally stained of red.

Lecidia lapicida is involved in the weathering of rocks, it secretes oxalic acid and breaks the rock producing a characteristic dark-brown iron-rich stain. Explanation of the weathering process could be found at Purvis book.

At Cerdanya it seems a nitrophilous lichen probably to be included in the following association (Candelarielletum corallizae (Almb. 55) Massé 1964 )

It seems var. lapicida

Armand Tomas Vidal

Nikon Coolpix 4500

Autoeye, PH and HTLM Editor]]></description>
    <pubDate>Tue, 07 Apr 2026 11:12:22 GMT</pubDate>
      <image>
      <url>http://digitalnatura.org/data/thumbnails/30/LACTAE_copia.jpg</url>
      <title>Lecidea lapicida (=Lecidia lactea) new  for the Oriental Pyrenees, with Lecidella carpathica and Rhizocarpon cf. sublucidum</title>
      <link>http://digitalnatura.org/details.php?image_id=6052</link>
    </image>
    
    <item>
      <title>Molt bona</title>
      <link>http://digitalnatura.org/details.php?image_id=6052#comment7102</link>
      <pubDate>Thu, 24 May 2007 04:47:28 GMT</pubDate>
      <description><![CDATA[Felicitats per la espècie nova pels Pirineus orientals. Molt bona la captura i molt interessant l'explicació.]]></description>
          <category domain="http://digitalnatura.org/details.php?image_id=6052">DigitalNatura.Org - Lecidea lapicida (=Lecidia lactea) new  for the Oriental Pyrenees, with Lecidella carpathica and Rhizocarpon cf. sublucidum</category>
              <author><![CDATA[fbaldris@sigmascorpii.com (Francesc Baldrís)]]></author>
              <guid isPermaLink="false">http://digitalnatura.org/details.php?image_id=6052#comment7102</guid>
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