arctic flapwort vs common greasewort

Jungermannia polaris compared with Aneura pinguis

Key Differences

• arctic flapwort is Not Evaluated while common greasewort is Least Concern.

Taxonomic Classification

Rank	arctic flapwort	common greasewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Marchantiophyta (liverwort)	Marchantiophyta (liverwort)
Class same	Jungermanniopsida (Jungermanniopsida)	Jungermanniopsida (Jungermanniopsida)
Order	Jungermanniales (Jungermanniales)	Metzgeriales (Metzgeriales)
Family	Jungermanniaceae	Aneuraceae
Genus	Jungermannia	Aneura
Species	Jungermannia polaris	Aneura pinguis

Evolutionary Relationship

arctic flapwort and common greasewort share a common ancestor at the Class level: Jungermanniopsida. (Jungermanniopsida)

Conservation Status

arctic flapwort

NE — Not Evaluated

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	arctic flapwort	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arctic flapwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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).

arctic flapwort

The Arctic flapwort (Jungermannia polaris) is a species in the genus Jungermannia. Native to Europe, inhabiting ecosystems characteristic of the region.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden