Rötender Wirrling vs Knautien-Sandbiene

Abortiporus biennis compared with Andrena hattorfiana

Key Differences

• Rötender Wirrling is Near Threatened while Knautien-Sandbiene is Critically Endangered.

Taxonomic Classification

Rank	Rötender Wirrling	Knautien-Sandbiene
Kingdom	Fungi (Pilze)	Animalia (Tier)
Phylum	Basidiomycota (Ständerpilze)	Arthropoda (Gliederfüßer)
Class	Agaricomycetes (Mushrooms)	Insecta (Insekten)
Order	Polyporales (Stielporlingsartige)	Hymenoptera (Hautflügler)
Family	Podoscyphaceae	Andrenidae
Genus	Abortiporus	Andrena
Species	Abortiporus biennis	Andrena hattorfiana

Conservation Status

Rötender Wirrling

NT — Near Threatened

Knautien-Sandbiene

CR — Critically Endangered

Physical Characteristics

Attribute	Rötender Wirrling	Knautien-Sandbiene
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rötender Wirrling

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.

Knautien-Sandbiene

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Rötender Wirrling

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