Blue-Gray Rosette Lichen vs Buff-tailed Mining Bee

Physcia caesia compared with Andrena humilis

Key Differences

• Blue-Gray Rosette Lichen is Least Concern while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Blue-Gray Rosette Lichen	Buff-tailed Mining Bee
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Lecanoromycetes (Lecanoromycetes)	Insecta (Insects)
Order	Caliciales (Caliciales)	Hymenoptera (Ants, Bees & Wasps)
Family	Physciaceae	Andrenidae
Genus	Physcia	Andrena
Species	Physcia caesia	Andrena humilis

Conservation Status

Blue-Gray Rosette Lichen

LC — Least Concern

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Blue-Gray Rosette Lichen	Buff-tailed Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-Gray Rosette Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

Blue-Gray Rosette Lichen

The Blue Gray Rosette Lichen (Physcia caesia) is a species in the genus Physcia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden