common greasewort vs Swedish pouchwort

Aneura pinguis compared with Calypogeia suecica

Key Differences

• common greasewort is Least Concern while Swedish pouchwort is Vulnerable.

Taxonomic Classification

Rank	common greasewort	Swedish pouchwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Marchantiophyta (liverwort)	Marchantiophyta (liverwort)
Class same	Jungermanniopsida (Jungermanniopsida)	Jungermanniopsida (Jungermanniopsida)
Order	Metzgeriales (Metzgeriales)	Jungermanniales (Jungermanniales)
Family	Aneuraceae	Calypogeiaceae
Genus	Aneura	Calypogeia
Species	Aneura pinguis	Calypogeia suecica

Evolutionary Relationship

common greasewort and Swedish pouchwort share a common ancestor at the Class level: Jungermanniopsida. (Jungermanniopsida)

Conservation Status

common greasewort

LC — Least Concern

Swedish pouchwort

VU — Vulnerable

Physical Characteristics

Attribute	common greasewort	Swedish pouchwort
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).

Swedish pouchwort

Habitat

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

Range

Distributed across Luxembourg, Norway, Portugal, 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 5 countries:

🇱🇺 Luxembourg 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States