Bordered Screw-moss vs common greasewort

Tortula marginata compared with Aneura pinguis

Key Differences

• Bordered Screw-moss is Endangered while common greasewort is Least Concern.

Taxonomic Classification

Rank	Bordered Screw-moss	common greasewort
Kingdom same	Plantae (растения)	Plantae (растения)
Phylum	Bryophyta	Marchantiophyta (печёночные мхи)
Class	Bryopsida (листостебельные мхи)	Jungermanniopsida (юнгерманиевые печёночники)
Order	Pottiales (поттиевые)	Metzgeriales (Metzgeriales)
Family	Pottiaceae	Aneuraceae
Genus	Tortula	Aneura
Species	Tortula marginata	Aneura pinguis

Evolutionary Relationship

Bordered Screw-moss and common greasewort share a common ancestor at the Kingdom level: Plantae. (растения)

Conservation Status

Bordered Screw-moss

EN — Endangered

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Bordered Screw-moss	common greasewort
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.

common greasewort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil, Colombia).

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.

common greasewort

<em>Aneura pinguis</em>, commonly known as common greasewort, is a liverwort belonging to the genus Aneura within the family Aneuraceae. This cryptogamic plant inhabits ecosystems across Asia, Europe, and North America, thriving in moist or waterlogged environments. Its range encompasses Taiwan in Asia, six European countries, the United States in North America, and Brazil and Colombia in South America, indicating a broad geographic distribution across multiple continents. Common greasewort is assessed as Least Concern on the IUCN Red List. The species typically forms flat, ribbon-like thalli in damp habitats such as stream banks, wet rocks, and boggy ground. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇱🇺 Luxembourg 🇳🇴 Norway 🇵🇹 Portugal