Common Club Rush Rust vs common greasewort

Puccinia scirpi compared with Aneura pinguis

Key Differences

• Common Club Rush Rust is Not Evaluated while common greasewort is Least Concern.

Taxonomic Classification

Rank	Common Club Rush 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	Pucciniaceae	Aneuraceae
Genus	Puccinia	Aneura
Species	Puccinia scirpi	Aneura pinguis

Conservation Status

Common Club Rush Rust

NE — Not Evaluated

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Common Club Rush Rust	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Club Rush Rust

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries).

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).

Common Club Rush Rust

<em>Puccinia scirpi</em>, commonly known as the common club rush rust, is a parasitic fungus in the family Pucciniaceae, belonging to the order of rust fungi. This species occurs across Asia and Europe, where it typically infects club rushes and related sedge-family plants in the genus <em>Scirpus</em> and allied genera. Like other rust fungi, <em>Puccinia scirpi</em> is an obligate biotroph, meaning it can only complete its life cycle on living host tissue. Infections often produce orange-brown pustules on the stems and leaves of host plants, releasing urediniospores that spread the fungus to neighboring hosts. The species typically colonizes wetland habitats such as marshes, fens, and the margins of rivers and lakes where club rushes are abundant. Biological traits of this species remain poorly documented in the scientific literature.

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 🇹🇼 Taiwan