Big Pine Key Prickly-pear vs common greasewort

Opuntia triacantha compared with Aneura pinguis

Key Differences

• Big Pine Key Prickly-pear is Near Threatened while common greasewort is Least Concern.

Taxonomic Classification

Rank	Big Pine Key Prickly-pear	common greasewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Jungermanniopsida (Jungermanniopsida)
Order	Caryophyllales (Caryophyllales)	Metzgeriales (Metzgeriales)
Family	Cactaceae	Aneuraceae
Genus	Opuntia	Aneura
Species	Opuntia triacantha	Aneura pinguis

Evolutionary Relationship

Big Pine Key Prickly-pear and common greasewort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Big Pine Key Prickly-pear

NT — Near Threatened

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Big Pine Key Prickly-pear	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Pine Key Prickly-pear

Habitat

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

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).

Big Pine Key Prickly-pear

The Big Pine Key Prickly-pear (Opuntia triacantha) is a species in the genus Opuntia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.