River Bristle-moss vs Slender Bristle-moss

Orthotrichum rivulare compared with Orthotrichum tenellum

Key Differences

• River Bristle-moss is Endangered while Slender Bristle-moss is Least Concern.

Taxonomic Classification

Rank	River Bristle-moss	Slender Bristle-moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Bryophyta	Bryophyta
Class same	Bryopsida (Bryopsida)	Bryopsida (Bryopsida)
Order same	Orthotrichales (Orthotrichales)	Orthotrichales (Orthotrichales)
Family same	Orthotrichaceae	Orthotrichaceae
Genus same	Orthotrichum	Orthotrichum
Species	Orthotrichum rivulare	Orthotrichum tenellum

Evolutionary Relationship

River Bristle-moss and Slender Bristle-moss share a common ancestor at the Genus level: Orthotrichum.

Conservation Status

River Bristle-moss

EN — Endangered

Slender Bristle-moss

LC — Least Concern

Physical Characteristics

Attribute	River Bristle-moss	Slender Bristle-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

River Bristle-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Slender Bristle-moss

Habitat

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

Range

Found across Europe (6 countries) and North America (Canada).

Shared Countries

Both species can be found in 2 countries:

🇱🇺 Luxembourg 🇳🇴 Norway