narrowed-leaved screw moss vs truncated screw moss

Tortula cernua compared with Tortula truncata

Key Differences

• narrowed-leaved screw moss is Endangered while truncated screw moss is Least Concern.

Taxonomic Classification

Rank	narrowed-leaved screw moss	truncated screw moss
Kingdom same	Plantae (planta)	Plantae (planta)
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 cernua	Tortula truncata

Evolutionary Relationship

narrowed-leaved screw moss and truncated screw moss share a common ancestor at the Genus level: Tortula.

Conservation Status

narrowed-leaved screw moss

EN — Endangered

truncated screw moss

LC — Least Concern

Physical Characteristics

Attribute	narrowed-leaved screw moss	truncated screw moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

narrowed-leaved screw moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

truncated screw moss

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).

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden