Arctic barrel-bubble vs Blushing Rosette

Retusa obtusa compared with Abortiporus biennis

Key Differences

• Arctic barrel-bubble is Least Concern while Blushing Rosette is Near Threatened.

Taxonomic Classification

Rank	Arctic barrel-bubble	Blushing Rosette
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Gastropoda (Gastropoda)	Agaricomycetes (Mushrooms)
Order	Cephalaspidea (Cephalaspidea)	Polyporales (Polyporales)
Family	Retusidae	Podoscyphaceae
Genus	Retusa	Abortiporus
Species	Retusa obtusa	Abortiporus biennis

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Blushing Rosette

NT — Near Threatened

Physical Characteristics

Attribute	Arctic barrel-bubble	Blushing Rosette
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic barrel-bubble

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Blushing Rosette

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Blushing Rosette

The Blushing Rosette (Abortiporus biennis) is a species in the genus Abortiporus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden