common greasewort vs Ridge Tail Salamander

Aneura pinguis compared with Pseudoeurycea obesa

Key Differences

• common greasewort is Least Concern while Ridge Tail Salamander is Critically Endangered.

Taxonomic Classification

Rank	common greasewort	Ridge Tail Salamander
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Amphibia (Amphibians)
Order	Metzgeriales (Metzgeriales)	Caudata (Caudata)
Family	Aneuraceae	Plethodontidae
Genus	Aneura	Pseudoeurycea
Species	Aneura pinguis	Pseudoeurycea obesa

Conservation Status

common greasewort

LC — Least Concern

Ridge Tail Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	common greasewort	Ridge Tail Salamander
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).

Ridge Tail Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered 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.