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lecidoma lichen
Scientific Name: Lecidoma demissum
Family: Psoraceae
Category: Lichen
Growth: Lichenous
Duration:
Other Names:
Lecidoma demissum: Brown Earth-crust Lichen
Lecidoma demissum, commonly known as Brown Earth-crust Lichen or Lecidoma Lichen, is a species of lichen-forming fungi.
Taxonomy and Nomenclature
- Scientific Name: Lecidoma demissum (Rutstr.) Gotth. Schneid. & Hertel
- Genus: Lecidoma Gotth. Schneider & Hertel
- Family: Lecideaceae
- Synonyms:
- Lichen demissus Rutstr.
- Lecidea demissa (Rutstr.) Ach.
- Lepidoma demissum (Rutstr.) M. Choisy
- Psora demissa (Rutstr.) Hepp
- Psora demissum
Distribution and Habitat
- Lecidoma demissum is a circumpolar, arctic-alpine lichen.
- It is found on soil and rarely on siliceous rocks.
- Specifically found in clearings of Alpine grasslands.
- Occurrences reported in Scotland, Norway, Eastern Canada, and Anatolia (Turkey).
Morphological Characteristics
- Life habit: lichenized (mutualistic with algal photobionts)
- Thallus: crustose (crustaceous) - episubstratal - unspecified | squamulose (squamulous)
Ecological Role
- This lichen forms mycorrhizal associations below the soil crust.
- It engages in a mutualistic relationship with algal photobionts.
Further Information
- Catalogue of Life: 2012
- GBIF (Global Biodiversity Information Facility)
- British Lichen Society - BLS Lichen Database
- BiNHum-Portal (a joint Humboldt-Ring project)
- New York Botanical Garden lichen herbarium