common greasewort vs Niger stingray

Aneura pinguis compared with Fontitrygon garouaensis

Key Differences

• common greasewort is Least Concern while Niger stingray is Critically Endangered.

Taxonomic Classification

Rank	common greasewort	Niger stingray
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Elasmobranchii
Order	Metzgeriales (Metzgeriales)	Myliobatiformes (Myliobatiformes)
Family	Aneuraceae	Dasyatidae
Genus	Aneura	Fontitrygon
Species	Aneura pinguis	Fontitrygon garouaensis

Conservation Status

common greasewort

LC — Least Concern

Niger stingray

CR — Critically Endangered

Physical Characteristics

Attribute	common greasewort	Niger stingray
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).

Niger stingray

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.