common greasewort vs Spiny Threadwort

Aneura pinguis compared with Cephaloziella spinigera

Taxonomic Classification

Rank	common greasewort	Spiny Threadwort
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	Cephaloziellaceae
Genus	Aneura	Cephaloziella
Species	Aneura pinguis	Cephaloziella spinigera

Evolutionary Relationship

common greasewort and Spiny Threadwort share a common ancestor at the Class level: Jungermanniopsida. (Jungermanniopsida)

Conservation Status

common greasewort

LC — Least Concern

Spiny Threadwort

LC — Least Concern

Physical Characteristics

Attribute	common greasewort	Spiny Threadwort
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).

Spiny Threadwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden