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disc lichen
Scientific Name: Buellia elizae
Family: Physciaceae
Category: Lichen
Growth: Lichenous
Duration:
Other Names:
Disc Lichen (Buellia spp.)
Lichens in the genus Buellia are commonly known as disc lichens or button lichens.
Considerations for Pets
- Some disc lichens have disc-shaped apothecia (fruiting bodies) which may contain substances that attract animals.
- The text mentions lichen extracts being tested for antimicrobial activity.
Scientific Classification
- Genus: Buellia
- Family: Physciaceae (mentioned in relation to Buellia nigra)
- Group: Lichen
- Synonyms: Buelliopsis (mentioned in relation to Buellia papillata)
Common Names
- Disc Lichen
- Button Lichen
- Black Disc Lichen (Buellia nigra)
- Common Button Lichen (Synonym for Stilling's Disc Lichen, Buellia stillingiana)
Distribution and Habitat
- The genus Buellia has a widespread distribution.
- Observed on the Diamond Coast.
- Found in Chiricahua National Monument (New Mexican disc lichen).
- Grows on live poplar trees (reported sighting).
- Also found on acid rock (sunken disc lichen).
Morphological Characteristics
- Characterized by disc-shaped apothecia.
- Apothecia (fruiting bodies) are often black and epruinose (lacking a powdery surface).
- Some species produce circular, yellow, disk-like apothecia.
- Thallus may have necrotic thalline material (thalline veil).
Ecological Role
- Re-establishment rate studied after disc trenching in Pinus-lichen clear-cut areas.
Interactions with Other Organisms
- The lichen was extracted in acetone, methanol, and ethanol and tested for antimicrobial activity, showing potential antifungal effects.
- Excessive supply of nutrients to discs of the lichen results in outgrowth.
Resources and Further Information
- Catalogue of Life: 2012 Annual Checklist
- LSID JSON / WMS / RDF data links