common greasewort vs Red valerian

Aneura pinguis compared with Centranthus ruber

Key Differences

• common greasewort is Least Concern while Red valerian is Near Threatened.

Taxonomic Classification

Rank	common greasewort	Red valerian
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Magnoliopsida (Dicots)
Order	Metzgeriales (Metzgeriales)	Dipsacales (Dipsacales)
Family	Aneuraceae	Caprifoliaceae
Genus	Aneura	Centranthus
Species	Aneura pinguis	Centranthus ruber

Evolutionary Relationship

common greasewort and Red valerian share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

common greasewort

LC — Least Concern

Red valerian

NT — Near Threatened

Physical Characteristics

Attribute	common greasewort	Red valerian
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).

Red valerian

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (South Africa), Asia (Cyprus), Europe (20 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States