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clauzadea lichen

Scientific Name: Clauzadea

Family: Porpidiaceae

Category: Lichen

Growth:

Duration:

Other Names:

       

Clauzadea immersa & Clauzadea monticola

This page provides information about two lichen species: Clauzadea immersa (Immersed Clauzadea Lichen) and Clauzadea monticola (Mountain Clauzadea Lichen). Lichens are symbiotic organisms composed of a fungus and an alga or cyanobacterium.

Considerations for Pets

  • Lichens can grow on rocks and other outdoor surfaces that pets may come into contact with.

Taxonomy and Nomenclature

  • Scientific Name: Clauzadea immersa (Hoffm.) Hafellner &amp Bellem. and Clauzadea monticola (Ach.) Hafellner &amp Bellem.
  • Common Names: Immersed Clauzadea Lichen, Mountain Clauzadea Lichen
  • Rank: Species
  • Family: Lecideaceae (for Clauzadea immersa) and possibly Porpidiaceae (based on information about Clauzadea monticola)
  • Synonyms:
    • Lichen immersus Weber (for Clauzadea immersa)

Distribution and Habitat

  • Clauzadea immersa has been found in Britain, Ireland, China (Yunnan province), and the Aegean. It grows on calcareous rocks.
  • Clauzadea monticola has been found in Britain, Ireland, and the Mojave Desert.

Morphological Characteristics

  • Clauzadea immersa is a crustose endolithic lichen, meaning it forms a crust inside the rock substrate. It has apothecia (fruiting bodies) that are immersed in pits. The apothecia can have a reddish disc.
  • Spores of Clauzadea immersa are colorless, ellipsoidal, and measure 11-16 (18) x 6-8 ?m.

Ecological Role

  • Clauzadea immersa is an endolithic lichen, meaning it lives within the rock substrate. Cyanobacteria can be present in the light zone.

Interactions with Other Organisms

  • Clauzadea immersa may be parasitized by Caloplaca nubigena.
  • Snail herbivory can decrease cyanobacterial abundance and affect the lichen.

Further Information

  • Encyclopedia of Life
  • LIAS (Lichen Information System)
  • British Lichen Society (BLS)
  • Lichen Gallery of Leif &amp Anita Stridvall
  • Irish Lichens