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arthothelium lichen

Scientific Name: Arthothelium abnorme

Family:

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Arthothelium Lichen

Arthothelium is a genus of lichen-forming fungi. The term "Arthothelium Lichen" is often used as a common name when referring to various species within this genus.

Taxonomy and Nomenclature

  • Scientific Name: Arthothelium A. Massal.
  • Rank: Genus, Species (depending on the specific name, e.g., Arthothelium spectabile, Arthothelium anastomosans, Arthothelium ruanum, Arthothelium abnorme, Arthothelium macounii, Arthothelium galapagoense)
  • Family: Uncertain Ascomycota Family / Arthoniaceae
  • Phylum: Lichens
  • Class: Arthoniomycetes
  • Order: Arthoniales
  • Synonyms/Alternative Names: Arthothelium Lichen (used as a common name)

Distribution and Habitat

  • The genus Arthothelium is widespread.
  • Specific species have been found in:
    • Britain (possible endemic)
    • Tunisia
    • Korea
    • India
    • Galapagos Islands, Ecuador
    • Australia
    • Singapore
    • Taiwan
    • Cheboygan County, Michigan, USA
    • Tenerife
    • Bulgaria
    • West Bengal
  • Habitats include:
    • Woodlands
    • Hazelwoods
    • Bark of trees such as Beech and Rowan
    • Corticolous environments (growing on bark)
    • Foliicolous environments

Morphological Characteristics and Growth Habits

  • Arthothelium is a lichenous plant.
  • Specific features of some species:
    • Arthothelium subcyrtodes has oblong spores, 16-26u long and 10I-12I4 wide. Hymenium gel turns blue with iodine, spores turn yellow, and ascus wall is not stained.

Interactions with Other Organisms

  • Arthothelium species are dual organisms consisting of both an alga (or cyanobacterium) and a fungus.
  • Some Arthothelium species can be epiphytic on trees.

Quirky Facts

  • Arthothelium galapagoense produces a cyclic depsipeptide called Arthogalin.

Resources and Further Information

  • EOL (Encyclopedia of Life)
  • NBNSYS0000015525 (Taxon Version Key)
  • NHMSYS0020989751 (Taxon Version Key)
  • Australian New Crops Web Site
  • Smithsonian
  • Mycotaxon
  • Jnal of the Hattori Botanical Laboratory
  • WBPBDIVDB A Database of Plant Biodiversity of West Bengal