Horn Calcareous Moss vs Thomson's leafy moss

Mnium hornum compared with Mnium thomsonii

Taxonomic Classification

Rank	Horn Calcareous Moss	Thomson's leafy moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Bryophyta	Bryophyta
Class same	Bryopsida (Bryopsida)	Bryopsida (Bryopsida)
Order same	Bryales (Bryales)	Bryales (Bryales)
Family same	Mniaceae	Mniaceae
Genus same	Mnium	Mnium
Species	Mnium hornum	Mnium thomsonii

Evolutionary Relationship

Horn Calcareous Moss and Thomson's leafy moss share a common ancestor at the Genus level: Mnium.

Conservation Status

Horn Calcareous Moss

LC — Least Concern

Thomson's leafy moss

LC — Least Concern

Physical Characteristics

Attribute	Horn Calcareous Moss	Thomson's leafy moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Horn Calcareous Moss

Habitat

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

Range

Found across Europe (6 countries) and North America (United States).

Thomson's leafy moss

Habitat

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

Range

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

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States