common greasewort vs mucronate screw moss

Aneura pinguis compared with Tortula mucronifolia

Key Differences

• common greasewort is Least Concern while mucronate screw moss is Vulnerable.

Taxonomic Classification

Rank	common greasewort	mucronate screw moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Bryophyta
Class	Jungermanniopsida (Jungermanniopsida)	Bryopsida (Bryopsida)
Order	Metzgeriales (Metzgeriales)	Pottiales (Pottiales)
Family	Aneuraceae	Pottiaceae
Genus	Aneura	Tortula
Species	Aneura pinguis	Tortula mucronifolia

Evolutionary Relationship

common greasewort and mucronate screw moss share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

common greasewort

LC — Least Concern

mucronate screw moss

VU — Vulnerable

Physical Characteristics

Attribute	common greasewort	mucronate screw moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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).

mucronate 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 New Zealand, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States