Bordered Screw-moss vs California alder

Tortula marginata compared with Alnus rhombifolia

Key Differences

• Bordered Screw-moss is Endangered while California alder is Least Concern.

Taxonomic Classification

Rank	Bordered Screw-moss	California alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Bryophyta	Magnoliophyta (Flowering Plants)
Class	Bryopsida (Bryopsida)	Magnoliopsida (Dicots)
Order	Pottiales (Pottiales)	Fagales (Beeches & Oaks)
Family	Pottiaceae	Betulaceae
Genus	Tortula	Alnus
Species	Tortula marginata	Alnus rhombifolia

Evolutionary Relationship

Bordered Screw-moss and California alder share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Bordered Screw-moss

EN — Endangered

California alder

LC — Least Concern

Physical Characteristics

Attribute	Bordered Screw-moss	California alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bordered Screw-moss

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Distributed across Belgium, Luxembourg, New Zealand, Norway, and Portugal. Currently classified as 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.

Bordered Screw-moss

The Bordered Screw-moss (Tortula marginata) is a species in the genus Tortula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

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.