Arum Rust vs Coastal wattle

Puccinia sessilis compared with Acacia cyclops

Key Differences

Arum Rust is Not Evaluated while Coastal wattle is Least Concern.

Taxonomic Classification

Rank	Arum Rust	Coastal wattle
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Pucciniomycetes (Pucciniomycetes)	Magnoliopsida (Dicots)
Order	Pucciniales (Pucciniales)	Fabales (Legumes & Allies)
Family	Pucciniaceae	Fabaceae
Genus	Puccinia	Acacia
Species	Puccinia sessilis	Acacia cyclops

Conservation Status

Arum Rust

NE — Not Evaluated

Coastal wattle

LC — Least Concern

Physical Characteristics

Attribute	Arum Rust	Coastal wattle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arum Rust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Coastal wattle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (13 countries), Asia (Israel), Europe (4 countries), and North America (United States).

Arum Rust

Arum rust (Puccinia sessilis) is a species in the genus Puccinia. Native to Europe, inhabiting ecosystems characteristic of the region.

Coastal wattle

Coastal wattle (Acacia cyclops) is a dense, fast-growing shrub in the family Fabaceae, native to the southwestern and southern coastal regions of Western Australia, from Shark Bay south to the Nullarbor Plain. It grows on coastal dunes, sandy scrubland, and limestone substrates near the sea, where it tolerates salt spray, wind, and summer drought. Coastal wattle produces distinctive circular seeds with bright red arillate coatings, making them highly attractive to birds. Although valued in its native range for coastal stabilisation and revegetation, the species has become highly invasive in southern Africa, particularly South Africa, where it was introduced for dune stabilisation in the 19th century and has since spread extensively across the Cape Floristic Region, displacing native fynbos vegetation. It is listed among the 100 worst invasive species globally by the IUCN Invasive Species Specialist Group. In Australia, it is assessed as Least Concern. Management of invasive populations in South Africa involves mechanical removal and biological control efforts aimed at protecting the critically threatened fynbos biome.