common greasewort vs Spruce Tooth

Aneura pinguis compared with Phellodon violascens

Key Differences

• common greasewort is Least Concern while Spruce Tooth is Endangered.

Taxonomic Classification

Rank	common greasewort	Spruce Tooth
Kingdom	Plantae (植物)	Fungi (菌界)
Phylum	Marchantiophyta (苔類)	Basidiomycota (担子菌門)
Class	Jungermanniopsida (Jungermanniopsida)	Agaricomycetes (真正担子菌綱)
Order	Metzgeriales (Metzgeriales)	Thelephorales (イボタケ目)
Family	Aneuraceae	Thelephoraceae
Genus	Aneura	Phellodon
Species	Aneura pinguis	Phellodon violascens

Conservation Status

common greasewort

LC — Least Concern

Spruce Tooth

EN — Endangered

Physical Characteristics

Attribute	common greasewort	Spruce Tooth
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).

Spruce Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and United States. 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇺🇸 United States