bog-asphodel vs common greasewort

Narthecium americanum compared with Aneura pinguis

Key Differences

• bog-asphodel is Extinct while common greasewort is Least Concern.

Taxonomic Classification

Rank	bog-asphodel	common greasewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Liliopsida (Monocots)	Jungermanniopsida (Jungermanniopsida)
Order	Dioscoreales (Dioscoreales)	Metzgeriales (Metzgeriales)
Family	Nartheciaceae	Aneuraceae
Genus	Narthecium	Aneura
Species	Narthecium americanum	Aneura pinguis

Evolutionary Relationship

bog-asphodel and common greasewort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

bog-asphodel

EX — Extinct

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	bog-asphodel	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bog-asphodel

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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).

bog-asphodel

The bog-asphodel (Narthecium americanum) is a species in the genus Narthecium. It is currently classified as Extinct on the IUCN Red List.

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.