Alder Rollrim vs Brown Roll Rim

Paxillus rubicundulus compared with Paxillus involutus

Key Differences

• Alder Rollrim is Not Evaluated while Brown Roll Rim is Least Concern.

Taxonomic Classification

Rank	Alder Rollrim	Brown Roll Rim
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Basidiomycota (Club Fungi)	Basidiomycota (Club Fungi)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Boletales (Boletales)	Boletales (Boletales)
Family same	Paxillaceae	Paxillaceae
Genus same	Paxillus	Paxillus
Species	Paxillus rubicundulus	Paxillus involutus

Evolutionary Relationship

Alder Rollrim and Brown Roll Rim share a common ancestor at the Genus level: Paxillus.

Conservation Status

Alder Rollrim

NE — Not Evaluated

Brown Roll Rim

LC — Least Concern

Physical Characteristics

Attribute	Alder Rollrim	Brown Roll Rim
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Rollrim

Habitat

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

Range

Distributed across Norway and Sweden.

Brown Roll Rim

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil, Chile).

Alder Rollrim

The Alder Rollrim (Paxillus rubicundulus) is a species in the genus Paxillus. Typically found in forest floors, decomposing wood, and soil ecosystems.

Brown Roll Rim

The Brown Roll Rim (Paxillus involutus) is a species in the genus Paxillus. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden