Blue Bugle vs square-stemmed willowherb

Ajuga genevensis compared with Epilobium tetragonum

Key Differences

• Blue Bugle is Critically Endangered while square-stemmed willowherb is Least Concern.

Taxonomic Classification

Rank	Blue Bugle	square-stemmed willowherb
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Lamiales (Lamiales)	Myrtales (Myrtales)
Family	Lamiaceae	Onagraceae
Genus	Ajuga	Epilobium
Species	Ajuga genevensis	Epilobium tetragonum

Evolutionary Relationship

Blue Bugle and square-stemmed willowherb share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blue Bugle

CR — Critically Endangered

square-stemmed willowherb

LC — Least Concern

Physical Characteristics

Attribute	Blue Bugle	square-stemmed willowherb
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Bugle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Uzbekistan), Europe (7 countries), and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

square-stemmed willowherb

Habitat

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

Range

Widely distributed across Europe (8 countries), North America (Canada), and Oceania and the Pacific (Australia).

Blue Bugle

The Blue Bugle (Ajuga genevensis) is a species in the genus Ajuga. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also fo

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇩🇰 Denmark 🇫🇮 Finland 🇳🇴 Norway 🇸🇪 Sweden