Arctic Butterbur vs Brook Alder

Petasites frigidus compared with Alnus maritima

Key Differences

• Arctic Butterbur is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Arctic Butterbur	Brook Alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Asterales (Daisies & Sunflowers)	Fagales (Beeches & Oaks)
Family	Asteraceae (Daisy Family)	Betulaceae
Genus	Petasites	Alnus
Species	Petasites frigidus	Alnus maritima

Evolutionary Relationship

Arctic Butterbur and Brook Alder share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Arctic Butterbur

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Arctic Butterbur	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Butterbur

Habitat

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

Range

Distributed across Finland, Norway, Sweden, and United States.

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.

Arctic Butterbur

The Arctic Butterbur (Petasites frigidus) is a species in the genus Petasites. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.