Acrid lettuce vs common greasewort

Lactuca virosa compared with Aneura pinguis

Key Differences

• Acrid lettuce is Not Evaluated while common greasewort is Least Concern.

Taxonomic Classification

Rank	Acrid lettuce	common greasewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Jungermanniopsida (Jungermanniopsida)
Order	Asterales (Daisies & Sunflowers)	Metzgeriales (Metzgeriales)
Family	Asteraceae (Daisy Family)	Aneuraceae
Genus	Lactuca	Aneura
Species	Lactuca virosa	Aneura pinguis

Evolutionary Relationship

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

Conservation Status

Acrid lettuce

NE — Not Evaluated

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Acrid lettuce	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Acrid lettuce

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Japan), Europe (12 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

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).

Acrid lettuce

The Acrid lettuce (Lactuca virosa) is a species in the genus Lactuca. This species inhabits Typically found in diverse terrestrial habitats from tropical forests to temperate regions, found across Australia, Belgium, Canada, Chile, and Czech Republic.

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 6 countries:

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