Blackthorn Mining Bee vs limestone fern

Andrena varians compared with Gymnocarpium robertianum

Key Differences

Blackthorn Mining Bee is Least Concern while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Blackthorn Mining Bee	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Tracheophyta
Class	Insecta (Insects)	Polypodiopsida (Polypodiopsida)
Order	Hymenoptera (Ants, Bees & Wasps)	Polypodiales (Polypodiales)
Family	Andrenidae	Cystopteridaceae
Genus	Andrena	Gymnocarpium
Species	Andrena varians	Gymnocarpium robertianum

Conservation Status

Blackthorn Mining Bee

LC — Least Concern

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Blackthorn Mining Bee	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

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

Blackthorn Mining Bee

The Blackthorn Mining Bee (Andrena varians) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Luxembourg, Norway, and Sweden.