Blue Bugle vs Willow Tarspot

Ajuga genevensis compared with Rhytisma salicinum

Key Differences

Blue Bugle is Critically Endangered while Willow Tarspot is Least Concern.

Taxonomic Classification

Rank	Blue Bugle	Willow Tarspot
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Leotiomycetes (Leotiomycetes)
Order	Lamiales (Lamiales)	Rhytismatales (Rhytismatales)
Family	Lamiaceae	Rhytismataceae
Genus	Ajuga	Rhytisma
Species	Ajuga genevensis	Rhytisma salicinum

Conservation Status

Blue Bugle

CR — Critically Endangered

Willow Tarspot

LC — Least Concern

Physical Characteristics

Attribute	Blue Bugle	Willow Tarspot
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.

Willow Tarspot

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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