Blackthorn Dotty vs Blue Bugle

Polystigma rubrum compared with Ajuga genevensis

Key Differences

Blackthorn Dotty is Least Concern while Blue Bugle is Critically Endangered.

Taxonomic Classification

Rank	Blackthorn Dotty	Blue Bugle
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Sordariomycetes (Sordariomycetes)	Magnoliopsida (Dicots)
Order	Phyllachorales (Phyllachorales)	Lamiales (Lamiales)
Family	Phyllachoraceae	Lamiaceae
Genus	Polystigma	Ajuga
Species	Polystigma rubrum	Ajuga genevensis

Conservation Status

Blackthorn Dotty

LC — Least Concern

Blue Bugle

CR — Critically Endangered

Physical Characteristics

Attribute	Blackthorn Dotty	Blue Bugle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Dotty

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Blackthorn Dotty

The Blackthorn Dotty (Polystigma rubrum) is a species in the genus Polystigma. It is currently classified as Least Concern on the IUCN Red List. Distributed across 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