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dot lichen

Scientific Name: Arthonia pruinosella

Family: Arthoniaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Dot Lichen: A Diverse Group of Lichens

The term "Dot Lichen" is a common name applied to various lichens, primarily those within the genera Arthonia or Micarea. "Dotted lichens" may refer to lichens in the genus Bacidia. It's important to remember that common names can be ambiguous, so the scientific name provides the most accurate identification.

Considerations for Pets

  • Lichens growing on tree bark or rocks may be accessible to pets in outdoor environments.

Taxonomy and Nomenclature

  • Family: Arthoniaceae, Icmadophilaceae, Micareaceae
  • Group: Lichen
  • Examples of Species:
    • Arthonia arthonioides (Ach.) A.L. Sm. - Dot Lichen
    • Arthonia asteriscus Müll. Arg. - Dot Lichen
    • Dibaeis absoluta (Tuck.) Kalb & Gierl. - Pink Dot Lichen
    • Scoliciosporum chlorococcum - City Dot Lichen (Synonym: Bacidia chlorococca)
    • Micarea erratica - Erratic Dot Lichen
  • Other Dot Lichens
    • Birchbark Dot Lichen (Leptorhaphis epidermidis, Leptorhaphis atomaria)
    • Orange Dot Lichen (Protoblastenia rupestris)
    • Hidden Dot Lichen (Japewia tornoensis)
    • Tuckerman's Dot Lichen (Arthonia tuckermaniana)
    • Nitschke's Dot Lichen (Micarea nitschkeana)
    • Dot Lichen (Arthonia glebosa)

Distribution and Habitat

  • Dot lichens can be found in various habitats, including rocks, tree bark (e.g., palm tree bark in Florida), and potentially garden settings.
  • Specific locations mentioned include Mount Rainier National Park, Bahia Honda Key (Florida, USA), and the New Orleans area.

Morphological Characteristics

  • Mycobilimbia pilularis, a "Dot Lichen," is described as a crustose lichen with a grayish-green thallus and yellowy-brown apothecia.
  • Dibaeis absoluta (Pink Dot Lichen) has pink apothecia on very short stalks (approximately 1 mm).
  • Some dot lichens grow in small dots on rocks.

Interactions with Other Organisms

  • Some lichens are found growing on tree bark.

Quirky Facts

  • The text mentions someone saw the headline: &#39I&#39m lichen it!&#39 on an article about eating oak moss, playing on the similar pronunciation of "lichen" and "liking."
  • One fabric is named "Kaffe Fassett Perennials Spot Dot Lichen."

Further Information

  • Databases and Institutions: Encyclopedia of Life, Catalogue of Life, USDA, Smithsonian Institution National Museum of Natural History.
  • Online Resources: ResearchGate, WikiSpecies, Garden Guides.
  • Data Links: LSID, JSON, WMS, RDF