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disc lichen
Scientific Name: Buellia erubescens
Family: Physciaceae
Category: Lichen
Growth: Lichenous
Duration:
Other Names:
Disc Lichens (Genus Buellia)
Disc lichens, also known as button lichens, belong to the genus Buellia. This genus is quite diverse, containing approximately 450 species.
Considerations for Pets
- Lichens can grow on a variety of surfaces in gardens and natural environments.
Considerations for Children
- Lichens can grow on rocks, trees, and other outdoor surfaces, potentially making them accessible to children.
Taxonomy and Nomenclature
- Scientific Name: Buellia (genus)
- Common Names: Disc lichen, button lichen
- Family: Physciaceae (mentioned in relation to Buellia nigra)
- Synonyms:
- Buelliopsis papillata (for Buellia papillata)
Distribution and Habitat
- The genus Buellia has a widespread distribution.
- Specific locations mentioned include:
- Diamond Coast, South Africa
- Chiricahua National Monument
- Howard Co.
- South Glenmore Park
- England
Morphological Characteristics
- Disc lichens are characterized by their disc-shaped apothecia (fruiting bodies), which are often black.
- Some species have yellow, disc-shaped apothecia.
- The thallus (main body) can be necrotic and may have a thalline veil.
- Apothecia can be variable in shape but commonly disc- or saucer-shaped.
Interactions with Other Organisms
- Reindeer lichen species are mentioned in the context of clear-cut environments.
- The text mentions lichens growing on a live poplar tree alongside other Lecanora species.
Traditional/Historical Use
- Lichen extracts (acetone, methanol, and ethanol) have been tested for antimicrobial activity.
- Lichen extracts (acetone, methanol, and chloroform) have been tested for antifungal potential.
Further Information
- Catalogue of Life: 2012 Annual Checklist
- British Lichen Society - BLS Lichen Database