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arthothelium lichen

Scientific Name: Arthothelium taediosum

Family:

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Arthothelium: A Lichen Genus

Arthothelium is a genus of lichenized fungi belonging to the family Arthoniaceae. Lichens are dual organisms, consisting of both a fungus and an alga (or cyanobacterium).

Considerations for Pets

  • As a lichen, Arthothelium often grows on tree bark, rocks, or other outdoor surfaces. Exposure is generally limited to outdoor environments.

Taxonomy and Nomenclature

  • Scientific Name: Arthothelium
  • Common Name: Arthothelium Lichen
  • Rank: Genus; Species (depending on the specific taxon, e.g., Arthothelium adveniens is listed as a species)
  • Family: Arthoniaceae
  • Class: Arthoniomycetes
  • Order: Arthoniales
  • Phylum: Lichens
  • Synonyms: The text mentions several names associated with the genus, including:
    • Arthothelium ilicinum var. reagens
    • Arthothelium reagans

Distribution and Habitat

  • Arthothelium species are widespread.
  • Specific locations mentioned include:
    • Britain (possible endemic species mentioned)
    • India
    • Singapore
    • Taiwan
    • Galapagos Islands
    • Spain (Valencian Community)
    • Tenerife
    • West Bengal
    • Michigan, USA (Cheboygan County)
  • They are found in various habitats, including:
    • Woodlands, particularly on bark (e.g., Beech, Rowan)
    • Hazelwoods
    • Tropical environments

Morphological Characteristics

  • The growth habit is described as "lichenous."
  • Some species exhibit specific characteristics, such as:
    • Arthothelium subcyrtodes: Spores are oblong, Hymenium gel turns blue with iodine, and ascus wall is not stained.
    • Arthothelium ruanum: Also known as "Jaguar-spot comma lichen"

Interactions with Other Organisms

  • Arthothelium species are epiphytic, meaning they grow on other plants (phorophytes).
  • The presence of Arthothelium and other lichens can be affected by the plants they grow on.
  • Some species are lichenicolous, meaning they grow on other lichens.

Resources and Further Information

  • EOL (Encyclopedia of Life)
  • NBNSYS0000015525 (Taxon Version Key)
  • Drone-Application-Server database publication
  • Australian New Crops Web Site
  • UCSC Campus Lichens resources
  • SingaLichens (Singapore Lichens)
  • ABL (Arthothelium ruanum from Taiwan)
  • WBPBDIVDB A Database of Plant Biodiversity of West Bengal
  • Smithsonian
  • Jnal of the Hattori Botanical Laboratory