Brook Alder vs Brown Roll Rim

Alnus maritima compared with Paxillus involutus

Key Differences

• Brook Alder is Endangered while Brown Roll Rim is Least Concern.

Taxonomic Classification

Rank	Brook Alder	Brown Roll Rim
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Agaricomycetes (Mushrooms)
Order	Fagales (Beeches & Oaks)	Boletales (Boletales)
Family	Betulaceae	Paxillaceae
Genus	Alnus	Paxillus
Species	Alnus maritima	Paxillus involutus

Conservation Status

Brook Alder

EN — Endangered

Brown Roll Rim

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Brook Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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).

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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 1 countries:

🇧🇪 Belgium