vs Rock Jewel Lichen

Calogaya pusilla compared with Calogaya saxicola

Key Differences

• is Endangered while Rock Jewel Lichen is Data Deficient.

Taxonomic Classification

Rank		Rock Jewel Lichen
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Teloschistales (Teloschistales)	Teloschistales (Teloschistales)
Family same	Teloschistaceae	Teloschistaceae
Genus same	Calogaya	Calogaya
Species	Calogaya pusilla	Calogaya saxicola

Evolutionary Relationship

and Rock Jewel Lichen share a common ancestor at the Genus level: Calogaya.

Conservation Status

EN — Endangered

Rock Jewel Lichen

DD — Data Deficient

Physical Characteristics

Attribute		Rock Jewel Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

Rock Jewel Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and United States.

Calogaya pusilla is a small, orange to yellow foliose or placodioid lichen growing on exposed calcium-rich rock surfaces and old stone walls in open, sunny habitats. It belongs to a genus of brightly coloured lichens dependent on specific nutrient-rich or calcareous substrates. Classified as Endangered, this species is threatened by the loss of traditional stone structures and suitable natural rock habitats.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇺🇸 United States