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lecidoma lichen

Scientific Name: Lecidoma

Family: Psoraceae

Category: Lichen

Growth:

Duration:

Other Names:

       

Lecidoma demissum

Lecidoma demissum, also known as the Brown Earth-crust Lichen or lecidoma lichen, is a fascinating lichen species.

Taxonomy and Nomenclature

  • Scientific Name: Lecidoma demissum (Rutstr.) Gotth. Schneid. &amp Hertel
  • Family: Lecideaceae
  • Genus: Lecidoma (monotypic)
  • Synonyms:
    • Lichen demissus Rutstr.
    • Lecidea demissa (Rutstr.) Ach.
    • Lepidoma demissum (Rutstr.) M. Choisy
    • Psora demissa (Rutstr.) Hepp

Distribution and Habitat

  • Lecidoma demissum is a circumpolar, arctic-alpine lichen.
  • It is typically found on soil and rarely on siliceous rocks.
  • It can be found in clearings of Alpine grasslands.
  • Specific locations include Scotland (91 occurrences), Oslo lichen herbarium (221 occurrences), Botany (UPS) (179 occurrences) and Anatolia.

Morphological Characteristics and Growth Habits

  • Life habit: lichenized (mutualistic with algal photobionts).
  • Thallus: crustose (crustaceous) &#8211 episubstratal &#8211 unspecified | squamulose (squamulous) th upper.

Ecological Role

  • Forms mycorrhizal associations in the hypothallosphere below soil crusts.

Further Information

  • GBIF view on Lecidoma demissum
  • British Lichen Society - BLS Lichen Database
  • Lichen herbarium, Oslo (O)
  • Botany (UPS)
  • The New York Botanical Garden lichen herbarium