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disc lichen
Scientific Name: Buellia coccinea
Family: Physciaceae
Category: Lichen
Growth: Lichenous
Duration:
Other Names:
Disc Lichens (Genus Buellia)
Lichens within the genus Buellia are commonly referred to as disc lichens or button lichens. The genus boasts a widespread distribution and encompasses approximately 450 species.
Considerations for Pets
- Some disc lichens have disc-shaped apothecia.
Considerations for Children
- Some disc lichens have disc-shaped apothecia.
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)
- Rank: Genus
- Synonyms: Buelliopsis (for Buellia papillata)
Distribution and Habitat
- The genus has a widespread distribution.
- Specific mentions include:
- Diamond Coast
- Chiricahua National Monument
- South Glenmore Park
- England (based on British Lichen Society data)
Morphological Characteristics
- Thallus: Some species have necrotic thalline material (thalline veil).
- Disc: Often black, epruinose (lacking a powdery or frosty surface covering). Some are yellow.
- Apothecia: Can be disc- or cup-shaped. Fruiting bodies involved in sexual reproduction, producing fungal spores. Variable in shape but commonly disc- or saucer-shaped.
- Growth Forms: Generally shaped like a disc, usually with a rim around the edge.
Interactions with Other Organisms
- Found growing on a live poplar tree.
Traditional Uses
- Some extracts have been tested for antimicrobial activity.
- Some extracts have shown potential antifungal effects.
Further Information
- Catalogue of Life: 2012 Annual Checklist
- British Lichen Society
- BLS Lichen Database