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Bacidina arnoldiana

Scientific Name: Bacidina arnoldiana

Family: Lecanoraceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Bacidina arnoldiana: A Detailed Look

Bacidina arnoldiana is a lichen species with a fascinating history and global presence. This article delves into its taxonomy, distribution, and ecological role, providing a comprehensive overview of this often-overlooked organism.

Nomenclature and Taxonomy

  • Scientific Name: Bacidina arnoldiana (Krb.) V. Wirth & Vezda
  • Synonyms:
    • Bacidia arnoldiana Krb.
    • Woessia arnoldiana (Krb.) Srus. & Diederich
    • Woessia fusarioides D.Hawksw., Poelt & Tscherm.-Woess.
    • Lecidea arnoldiana (Krb.) Harm.
    • Patellaria arnoldiana (Krb.) Mll. Arg.
  • Family: Ramalinaceae / Lecanoraceae (sources vary)
  • Taxonomic Status: Accepted

Distribution and Habitat

  • Bacidina arnoldiana has a widespread distribution, found in locations such as:
    • Taiwan
    • British Columbia, Canada (specifically Wells Gray Provincial Park, near Clearwater River)
    • Estonia
    • Portugal
    • Denmark
    • Saarland, Germany
    • Iberian Peninsula
  • It often grows saxicolous on calcareous rocks, typically in humid environments.
  • It has also been observed corticolous on decaying Salix (willow).
  • It can be found extending from fluvial xeric zones.

Ecological Role

  • In some communities, Bacidina arnoldiana is occasionally found, though it is not usually a dominant species.
  • It is among lichen species that are new records to Portugal.

Genetic Information

  • ITS rDNA data has been used to confirm the distinction between Bacidina arnoldiana and B. sulphurella.
  • Studies using small subunit ribosomal RNA and 18S ribosomal RNA gene sequences have been conducted on this species.

Further Information

  • Discover Life offers a page dedicated to the biology, natural history, ecology, identification, and distribution of Bacidina arnoldiana.
  • The "Eesti samblike levikuatlas - Atlas of the Estonian lichens" provides information on its distribution in Estonia.