Broad Scalewort vs Caucasian Alder

Porella obtusata compared with Alnus subcordata

Key Differences

• Broad Scalewort is Endangered while Caucasian Alder is Least Concern.

Taxonomic Classification

Rank	Broad Scalewort	Caucasian Alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Magnoliopsida (Dicots)
Order	Porellales (Porellales)	Fagales (Beeches & Oaks)
Family	Porellaceae	Betulaceae
Genus	Porella	Alnus
Species	Porella obtusata	Alnus subcordata

Evolutionary Relationship

Broad Scalewort and Caucasian Alder share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Broad Scalewort

EN — Endangered

Caucasian Alder

LC — Least Concern

Physical Characteristics

Attribute	Broad Scalewort	Caucasian Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broad Scalewort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

Caucasian Alder

Habitat

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

Broad Scalewort

The Broad Scalewort (Porella obtusata) is a species in the genus Porella. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Caucasian Alder

The Caucasian Alder (Alnus subcordata) 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.