Blackthorn Mining Bee vs cavernous crystalwort

Andrena varians compared with Riccia cavernosa

Key Differences

• Blackthorn Mining Bee is Least Concern while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	Blackthorn Mining Bee	cavernous crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Marchantiopsida (Marchantiopsida)
Order	Hymenoptera (Ants, Bees & Wasps)	Marchantiales (Marchantiales)
Family	Andrenidae	Ricciaceae
Genus	Andrena	Riccia
Species	Andrena varians	Riccia cavernosa

Conservation Status

Blackthorn Mining Bee

LC — Least Concern

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	Blackthorn Mining Bee	cavernous crystalwort
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.

cavernous crystalwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). Currently classified as 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.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden