Blue Bugle vs floating crystalwort

Ajuga genevensis compared with Riccia fluitans

Key Differences

• Blue Bugle is Critically Endangered while floating crystalwort is Near Threatened.

Taxonomic Classification

Rank	Blue Bugle	floating crystalwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Marchantiopsida (Marchantiopsida)
Order	Lamiales (Lamiales)	Marchantiales (Marchantiales)
Family	Lamiaceae	Ricciaceae
Genus	Ajuga	Riccia
Species	Ajuga genevensis	Riccia fluitans

Evolutionary Relationship

Blue Bugle and floating crystalwort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Blue Bugle

CR — Critically Endangered

floating crystalwort

NT — Near Threatened

Physical Characteristics

Attribute	Blue Bugle	floating crystalwort
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.

floating crystalwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States