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disc lichen

Scientific Name: Buellia griseovirens

Family: Physciaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Disc Lichen (Genus Buellia)

Lichens in the genus Buellia are commonly known as disc lichens or button lichens. This genus boasts a widespread distribution and encompasses approximately 450 species.

Considerations for Pets

  • Some lichens may contain substances extracted using solvents like acetone, methanol, and ethanol. These extracts have shown antimicrobial activity.
  • The presence of a "thalline veil" or necrotic thalline material is possible.
  • Lichens have disc-shaped fruiting bodies which may have small parts.

Considerations for Children

  • Lichens have disc-shaped fruiting bodies which may have small parts.

Taxonomy and Nomenclature

  • Scientific Name: Buellia De Not.
  • Common Names: Disc Lichen, Button Lichen, Common Button Lichen, Black Disc Lichen.
  • Family: Physciaceae (for Buellia nigra).
  • Synonyms: Buelliopsis papillata (for Buellia papillata)

Distribution and Habitat

  • The genus Buellia has a widespread distribution.
  • Specific locations mentioned include Howard Co., the Diamond Coast, Chiricahua National Monument, New Mexico, South Glenmore Park, and England.

Morphological Characteristics and Growth Habits

  • Disc lichens have disc-shaped apothecia (fruiting bodies), which can be black or yellow, and sometimes have a rim.
  • The apothecia are variable in shape but commonly disc- or saucer-shaped.
  • The thallus (main body) can be crustose, growing closely attached to the substrate.
  • Some species have strongly split discs, forming twisted rows.
  • Growth forms are generally shaped like a disc, usually with a rim around the edge.

Interactions with Other Organisms

  • The text mentions the re-establishment rate of reindeer lichen species following specific soil preparation techniques.
  • The text mentions growing on a live poplar tree, along with what appears to be one or two Lecanora species.

Quirky Facts

  • One source humorously refers to a dragonfly wing pattern as a "Captive Lichen Disc".

Further Information

  • Catalogue of Life: 2012 Annual Checklist
  • British Lichen Society - BLS Lichen Database