Bordered Screw-moss vs Chalk Screw-moss

Tortula marginata compared with Tortula vahliana

Key Differences

Bordered Screw-moss is Endangered while Chalk Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Bordered Screw-moss	Chalk Screw-moss
Kingdom same	Plantae (bitki)	Plantae (bitki)
Phylum same	Bryophyta	Bryophyta
Class same	Bryopsida (Bryopsida)	Bryopsida (Bryopsida)
Order same	Pottiales (Pottiales)	Pottiales (Pottiales)
Family same	Pottiaceae	Pottiaceae
Genus same	Tortula	Tortula
Species	Tortula marginata	Tortula vahliana

Evolutionary Relationship

Bordered Screw-moss and Chalk Screw-moss share a common ancestor at the Genus level: Tortula.

Göster Genus: Tortula

Conservation Status

Bordered Screw-moss

EN — Endangered

Chalk Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Bordered Screw-moss	Chalk Screw-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bordered Screw-moss

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Distributed across Belgium, Luxembourg, New Zealand, Norway, and Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Bordered Screw-moss

The Bordered Screw-moss (Tortula marginata) is a species in the genus Tortula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

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.