欧绒鸭 vs common greasewort

Somateria mollissima compared with Aneura pinguis

Key Differences

• 欧绒鸭 is Near Threatened while common greasewort is Least Concern.

Taxonomic Classification

Rank	欧绒鸭	common greasewort
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Marchantiophyta (地钱门)
Class	Aves (鳥綱)	Jungermanniopsida (叶苔纲)
Order	Anseriformes (雁形目)	Metzgeriales (叉苔目)
Family	Anatidae	Aneuraceae
Genus	Somateria	Aneura
Species	Somateria mollissima	Aneura pinguis

Conservation Status

欧绒鸭

NT — Near Threatened

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	欧绒鸭	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

欧绒鸭

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

欧绒鸭

普通绒鸭（Somateria mollissima）在IUCN红色名录中被列为近危（NT）。接近受威胁标准，若无保护措施，种群可能变得脆弱。

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:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States