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disc lichen
Scientific Name: Buellia
Family: Physciaceae
Category: Lichen
Growth:
Duration:
Other Names:
Disc Lichens (Genus Buellia)
Lichens in the genus Buellia are commonly known as disc lichens or button lichens. This diverse group comprises around 450 species with a widespread distribution.
Considerations for Pets
- 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, Stilling's Disc Lichen, New Mexican Disc Lichen.
- Family: Physciaceae (for Buellia nigra).
- Synonyms: Buelliopsis papillata (for Buellia papillata).
Distribution and Habitat
- The genus has a widespread distribution.
- Observed on the Diamond Coast in 2012.
- Found in Chiricahua National Monument.
- Observed in Howard Co.
- Observed in South Glenmore Park growing on a live poplar tree.
- Found in England.
Morphological Characteristics
- Disc lichens can exhibit a necrotic thalline material (thalline veil).
- Discs are often black and epruinose (lacking a powdery surface).
- Apothecia (fruiting bodies) are variable in shape but commonly disc- or saucer-shaped.
- Fruiting bodies can be disc or cup-shaped.
- Some exhibit circular, yellow disk-like structures.
- Buellia nigra is a black disc lichen.
Interactions with Other Organisms
- Some disc lichens are found growing on trees.
- Can be overgrown with nutrients.
Uses
- Lichen extracts have shown potential antifungal effects in laboratory settings.
- Historically used for treatment of erosive oral lichen planus.
Quirky Facts
- Captive Lichen Disc is a pattern from a dragonfly wing.
Further Information
- Catalogue of Life: 2012 Annual Checklist
- British Lichen Society - BLS Lichen Database