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cecidonia lichen

Scientific Name: Cecidonia umbonella

Family: Lecideaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Cecidonia Lichen

Learn about the fascinating Cecidonia lichen, a unique organism with a complex taxonomy and intriguing ecological role.

Nomenclature and Taxonomy

  • Scientific Name: Cecidonia (Genus). Several species are mentioned, including Cecidonia umbonella (Nyl.) Triebel &amp Rambold and Cecidonia xenophana (Krb.) Triebel &amp Rambold.
  • Common Name: Cecidonia Lichen
  • Family: Lecideaceae
  • Kingdom: Fungi
  • Phylum: Ascomycota
  • Class: Lecanoromycetes
  • Order: Lecanoromycetidae, families incertae sedis (for Cecidonia umbonella) and Lecideales (more generally).
  • Taxonomic Rank: Genus
  • Synonyms: For Cecidonia xenophana, Placographa xenophana Krb. (Parerga Lichen.: 464, 1865) is listed as a synonym. Lecidea alumnula Nyl. is listed as a synonym for Cecidonia xenophana {LF}. Lecidea umbonella Nylander is a synonym for Cecidonia umbonella.
  • Symbol: CECID (general). CEUM3 (for Cecidonia lichen).

Distribution and Habitat

  • Global Occurrence: Eurasia (Europe), Americas (North America, including Mexico), and the Arctic.
  • Cecidonia umbonella is found in the UK, specifically Wales and Scotland. It is also documented in Beringian Alaska.
  • Substrate: Typically found on lichens and lichenized fungi.

Morphological Characteristics and Growth Habits

  • Growth Habit: Lichenized (mutualistic association with algae or cyanobacteria).
  • Described as a crustose lichen in at least one reference.

Ecological Role

  • Cecidonia is a lichenized genus of fungi.
  • Cecidonia umbonella can be a lichenicolous lichen, meaning it can parasitize other lichens.

Interactions with Other Organisms

  • Serves as a substrate for lichenicolous fungi.
  • Forms a mutualistic relationship as a lichen.

Resources and Further Information

  • British Lichen Society (BLS) Lichen Database
  • NBN Gateway (Interactive Mapping Tool)
  • USDA Plants Database
  • LIASlight ItemID: 3293
  • Drone-Application-Server database publication for Cecidonia biodroid.Taxa.