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dot lichen

Scientific Name: Arthonia spadicea

Family: Arthoniaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Dot Lichen

The term "Dot Lichen" is a common name applied to lichens belonging to either the genus Arthonia or the genus Micarea. "Dotted lichens" specifically refer to lichens in the genus Bacidia.

Taxonomy and Nomenclature

  • Group: Lichen
  • Family: Arthoniaceae (for Arthonia) or Micareaceae (for Micarea). FAMILY: Icmadophilaceae. (for Pink Dot Lichen)
  • Rank: Genus
  • Examples:
    • Arthonia arthonioides (Ach.) A.L. Sm. - Dot Lichen
    • Arthonia asteriscus Mll. Arg. - Dot Lichen
    • Arthonia glebosa Tuck. dot lichen.
    • Arthonia dispersa (dispersed dot lichen)
    • Arthonia tuckermaniana (Tuckerman&#39s dot lichen)
    • Micarea nitschkeana (Nitschke&#39s dot lichen)
    • Dibaeis absoluta (Tuck.) Kalb &amp Gierl. - Pink Dot Lichen
    • Bacidia chlorococca. City Dot Lichen
    • Micarea erratica. Erratic Dot Lichen
    • Bacidia rubella Frosty-rimmed Dot Lichen
    • Leptorhaphis epidermidis Birchbark Dot Lichen
    • Protoblastenia rupestris &mdash . Orange Dot Lichen
    • Mycobilimbia pilularis &#39Dot Lichen&#39
  • Synonyms: Bacidia chlorococca (synonym for City Dot Lichen - Scoliciosporum chlorococcum)

Distribution and Habitat

  • Dot lichens can be found in various locations, including the New Orleans area, Mount Rainier National Park, and on palm tree bark in Bahia Honda Key, Florida, USA.
  • grows on rocks.

Morphological Characteristics

  • Mycobilimbia pilularis exhibits a grayish-green thallus without soredia or isidia and has yellowy-brown, convex apothecia.
  • Pink Dot Lichen Pink apothecia born on very short (ca. 1 mm) stalks, arising from a
  • Some appear as small dots.

Quirky Facts

  • One article headline about eating oak moss exclaimed, "I'm lichen it!"

Further Information

  • Encyclopedia of Life
  • Catalogue of Life
  • Smithsonian Institution, National Museum of Natural History, Department of Botany