arctic rustwort vs California alder

Marsupella arctica compared with Alnus rhombifolia

Key Differences

• arctic rustwort is Critically Endangered while California alder is Least Concern.

Taxonomic Classification

Rank	arctic rustwort	California alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Magnoliopsida (Dicots)
Order	Jungermanniales (Jungermanniales)	Fagales (Beeches & Oaks)
Family	Gymnomitriaceae	Betulaceae
Genus	Marsupella	Alnus
Species	Marsupella arctica	Alnus rhombifolia

Evolutionary Relationship

arctic rustwort and California alder share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

arctic rustwort

CR — Critically Endangered

California alder

LC — Least Concern

Physical Characteristics

Attribute	arctic rustwort	California alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arctic rustwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

California alder

Habitat

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

Range

Found in Canada.

arctic rustwort

The Arctic rustwort (Marsupella arctica) is a species in the genus Marsupella. It is currently classified as Critically Endangered on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

California alder

The California alder (Alnus rhombifolia) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.