Chalk Screw-moss vs Clark'S Mining Bee

Tortula vahliana compared with Andrena clarkella

Key Differences

Chalk Screw-moss is Vulnerable while Clark'S Mining Bee is Least Concern.

Taxonomic Classification

Rank	Chalk Screw-moss	Clark'S Mining Bee
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Arthropoda (Arthropods)
Class	Bryopsida (Bryopsida)	Insecta (Insects)
Order	Pottiales (Pottiales)	Hymenoptera (Ants, Bees & Wasps)
Family	Pottiaceae	Andrenidae
Genus	Tortula	Andrena
Species	Tortula vahliana	Andrena clarkella

Conservation Status

Chalk Screw-moss

VU — Vulnerable

Clark'S Mining Bee

LC — Least Concern

Physical Characteristics

Attribute	Chalk Screw-moss	Clark'S Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Clark'S Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Clark'S Mining Bee

The Clark'S Mining Bee (Andrena clarkella) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.