common greasewort vs Ram's Head Lady Slipper

Aneura pinguis compared with Cypripedium plectrochilum

Key Differences

• common greasewort is Least Concern while Ram's Head Lady Slipper is Vulnerable.

Taxonomic Classification

Rank	common greasewort	Ram's Head Lady Slipper
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Liliopsida (Monocots)
Order	Metzgeriales (Metzgeriales)	Asparagales (Asparagales)
Family	Aneuraceae	Orchidaceae
Genus	Aneura	Cypripedium
Species	Aneura pinguis	Cypripedium plectrochilum

Evolutionary Relationship

common greasewort and Ram's Head Lady Slipper share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

common greasewort

LC — Least Concern

Ram's Head Lady Slipper

VU — Vulnerable

Physical Characteristics

Attribute	common greasewort	Ram's Head Lady Slipper
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).

Ram's Head Lady Slipper

Habitat

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

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.