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disc lichen

Scientific Name: Buellia disciformis

Family: Physciaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

Lichens in the genus Buellia are commonly known as disc lichens or button lichens. They are a diverse group with a widespread distribution.

Some sources mention that lichens have been extracted using solvents like acetone, methanol, and ethanol, and tested for antimicrobial activity. It is important to be aware that lichens may contain bioactive compounds.
The text mentions "necrotic thalline material" which could be of concern if ingested.

Scientific Name: Buellia
Common Names: Disc lichen, Button lichen, Common Button Lichen, Black Disc Lichen, Stilling's Disc Lichen
Family: Physciaceae (for at least one species, Buellia nigra)
Synonyms: Buelliopsis papillata (for Buellia papillata)

The genus has a widespread distribution.
Observed on the Diamond Coast (specific location not detailed).
Found in Chiricahua National Monument (specific location).
Observed in Howard Co. (presumably Howard County, Maryland, USA, based on the mention of Stilling's Disc Lichen).
Observed in South Glenmore Park (location unspecified, but likely refers to a park of that name in Canada).

Disc lichens are characterized by disc-shaped apothecia (fruiting bodies).
The discs can be black or yellow, and may be epruinose (lacking a powdery surface coating).
Some species have apothecia that are strongly split, forming twisted rows of separate discs.

Reindeer lichen species are mentioned in the context of clear-cut forestry and soil preparation.

The text mentions "Wendy Mode DK 50g - Lichen (234) DISC," indicating that "lichen" is used as a color name for a wool yarn.
A reference is made to a "Captive Lichen Disc rotating!" which turns out to be a pattern from a dragonfly wing, demonstrating a visual similarity that someone found noteworthy.