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disc lichen

Scientific Name: Buellia catasema

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 widespread genus includes approximately 450 species.

Considerations for Pets

  • The text mentions that lichens, including disc lichens, contain various secondary metabolites extracted using solvents like acetone, methanol, and chloroform.

Considerations for Children

  • The text mentions that lichens, including disc lichens, contain various secondary metabolites extracted using solvents like acetone, methanol, and chloroform.

Taxonomy and Nomenclature

  • Scientific Name: Buellia De Not.
  • Common Names: Disc Lichen, Button Lichen
  • Family: Physciaceae (mentioned in relation to Buellia nigra, Black Disc Lichen)
  • Group: Lichen

Distribution and Habitat

  • The genus has a widespread distribution.
  • Observed in Howard County and the Diamond Coast (South Africa).
  • Found in Chiricahua National Monument (New Mexico, USA).
  • Observed growing on a live poplar tree in South Glenmore Park.

Morphological Characteristics

  • Disc lichens often have black, epruinose discs.
  • Some species feature apothecia (disc or cup-shaped fruiting bodies).
  • The thallus (main body of the lichen) can be crustose, growing tightly attached to the substrate.
  • Apothecia are used in the identification of lichens.
  • The apothecia are variable in shape but commonly disc- or saucer-shaped.

Interactions with Other Organisms

  • Mentioned in the context of reindeer lichen species re-establishment following disc trenching and soil preparation in Pinus-lichen clear-cut areas.

Quirky Facts

  • The text mentions "Captive Lichen Disc rotating!" but clarifies it's actually a dragonfly wing pattern.
  • Some lichens produce circular, yellow disk-like apothecia behind their advancing front.
  • One entry humorously states that a lichen looks like a wool yarn color.
  • One text mentions "Lichen Studios Business Card." indicating the plant is used for artistic representation.

Further Information

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