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    <title>DigitalNatura.Org - Caloplaca crenularia up and Acarospora umbilicata down</title>
    <link>http://digitalnatura.org/details.php?image_id=6580</link>
    <description><![CDATA[Picture taken on the 1st July 2007, at Aiguablava Parador,Costa Brava, Girona, Catalonia, North oriented, vertical position, 20 m. altitude.

Both lichens are very common on siliceous rocks, in nitrophilous situations.

Acarospora umbilicata is a variable lichen, saxicolous,  areolate, from almost white to brown, with green zones, with pruina incertain parts, apothecia up to 0,5 mm wide, from one to five per areole, immersed.

KC+ red, C+ red

Armand Tomás Vidal

Nikon Coolpix 4.500

Autoeye, PH and HTLM Editor]]></description>
    <pubDate>Sun, 12 Apr 2026 13:36:18 GMT</pubDate>
      <image>
      <url>http://digitalnatura.org/data/thumbnails/30/crenuae_copia.jpg</url>
      <title>Caloplaca crenularia up and Acarospora umbilicata down</title>
      <link>http://digitalnatura.org/details.php?image_id=6580</link>
    </image>
    
    <item>
      <title>Molt bona</title>
      <link>http://digitalnatura.org/details.php?image_id=6580#comment7607</link>
      <pubDate>Thu, 26 Jul 2007 04:48:46 GMT</pubDate>
      <description><![CDATA[Molt bona captura i molt interessant l'explicació d'aquests 2 líquens. Felicitats.]]></description>
          <category domain="http://digitalnatura.org/details.php?image_id=6580">DigitalNatura.Org - Caloplaca crenularia up and Acarospora umbilicata down</category>
              <author><![CDATA[fbaldris@sigmascorpii.com (Francesc Baldrís)]]></author>
              <guid isPermaLink="false">http://digitalnatura.org/details.php?image_id=6580#comment7607</guid>
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