Chalk Screw-moss vs gymnostome tronqué

Tortula vahliana compared with Tortula truncata

Key Differences

• Chalk Screw-moss is Vulnerable while gymnostome tronqué is Least Concern.

Taxonomic Classification

Rank	Chalk Screw-moss	gymnostome tronqué
Kingdom same	Plantae (plante)	Plantae (plante)
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 vahliana	Tortula truncata

Evolutionary Relationship

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

Conservation Status

Chalk Screw-moss

VU — Vulnerable

gymnostome tronqué

LC — Least Concern

Physical Characteristics

Attribute	Chalk Screw-moss	gymnostome tronqué
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.

gymnostome tronqué

Habitat

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

Range

Widely distributed across Asia (Taiwan), 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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal