common greasewort vs Rafflesia

Aneura pinguis compared with Rafflesia arnoldii

Key Differences

• common greasewort is Least Concern while Rafflesia is Endangered.

Taxonomic Classification

Rank	common greasewort	Rafflesia
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Magnoliopsida (Dicots)
Order	Metzgeriales (Metzgeriales)	Rosales (Roses & Allies)
Family	Aneuraceae	Rosaceae (Rose Family)
Genus	Aneura	Rosa (Roses)
Species	Aneura pinguis	Rafflesia arnoldii

Evolutionary Relationship

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

Conservation Status

common greasewort

LC — Least Concern

Rafflesia

EN — Endangered

Trend: Decreasing ↓

Physical Characteristics

Attribute	common greasewort	Rafflesia
Diet	—	Parasite
Average Lifespan	—	5 years
Average Length	—	1.0 m
Average Weight	—	11.0 kg

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).

Rafflesia

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Indonesia and Malaysia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Rafflesia

Rafflesia arnoldii produces the world's largest individual flower, up to 1 meter in diameter. It is a parasitic plant with no roots, stems, or leaves.