common greasewort vs Gray Field Slug

Aneura pinguis compared with Deroceras reticulatum

Taxonomic Classification

Rank	common greasewort	Gray Field Slug
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Mollusca (Mollusks)
Class	Jungermanniopsida (Jungermanniopsida)	Gastropoda (Gastropoda)
Order	Metzgeriales (Metzgeriales)	Stylommatophora (Stylommatophora)
Family	Aneuraceae	Agriolimacidae
Genus	Aneura	Deroceras
Species	Aneura pinguis	Deroceras reticulatum

Conservation Status

common greasewort

LC — Least Concern

Gray Field Slug

LC — Least Concern

Physical Characteristics

Attribute	common greasewort	Gray Field Slug
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).

Gray Field Slug

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Israel, Sri Lanka, Taiwan), Europe (11 countries), North America (United States), Oceania and the Pacific (New Zealand), and South America (4 countries).

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 9 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States