Boreal Button Lichen vs brown point snail

Buellia disciformis compared with Acicula fusca

Key Differences

Boreal Button Lichen is Critically Endangered while brown point snail is Extinct.

Taxonomic Classification

Rank	Boreal Button Lichen	brown point snail
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Mollusca (Mollusks)
Class	Lecanoromycetes (Lecanoromycetes)	Gastropoda (Gastropoda)
Order	Caliciales (Caliciales)	Architaenioglossa (Architaenioglossa)
Family	Caliciaceae	Aciculidae
Genus	Buellia	Acicula
Species	Buellia disciformis	Acicula fusca

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

brown point snail

EX — Extinct

Physical Characteristics

Attribute	Boreal Button Lichen	brown point snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Button Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brown point snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium and Norway.

Boreal Button Lichen

The Boreal Button Lichen (Buellia disciformis) is a species in the genus Buellia. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

brown point snail

The Brown Point Snail (Acicula fusca) is a species in the genus Acicula. It is currently classified as Extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.