Birch Rust vs common greasewort

Melampsoridium betulinum compared with Aneura pinguis

Key Differences

• Birch Rust is Not Evaluated while common greasewort is Least Concern.

Taxonomic Classification

Rank	Birch Rust	common greasewort
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Marchantiophyta (liverwort)
Class	Pucciniomycetes (Pucciniomycetes)	Jungermanniopsida (Jungermanniopsida)
Order	Pucciniales (Pucciniales)	Metzgeriales (Metzgeriales)
Family	Pucciniastraceae	Aneuraceae
Genus	Melampsoridium	Aneura
Species	Melampsoridium betulinum	Aneura pinguis

Conservation Status

Birch Rust

NE — Not Evaluated

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Birch Rust	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Rust

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (6 countries) and North America (United States).

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).

Birch Rust

The Birch Rust (Melampsoridium betulinum) is a species in the genus Melampsoridium. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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