Ajuga vs Septicweed

Ajuga reptans compared with Senna occidentalis

Key Differences

• Ajuga is Endangered while Septicweed is Least Concern.

Taxonomic Classification

Rank	Ajuga	Septicweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Lamiales (Lamiales)	Fabales (Legumes & Allies)
Family	Lamiaceae	Fabaceae
Genus	Ajuga	Senna
Species	Ajuga reptans	Senna occidentalis

Evolutionary Relationship

Ajuga and Septicweed share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Ajuga

EN — Endangered

Septicweed

LC — Least Concern

Physical Characteristics

Attribute	Ajuga	Septicweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ajuga

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil, Colombia). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Septicweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and deserts and xeric shrublands, among 4 distinct biome types spanning the Afrotropic and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (40 countries), Asia (19 countries), Europe (8 countries), North America (7 countries), Oceania and the Pacific (13 countries), and South America (Brazil, Colombia, Guyana).

Ajuga

The Ajuga (Ajuga reptans) is a species in the genus Ajuga. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 11 distinct biome types. Populations are also found in montane and highland environment.

Shared Countries

Both species can be found in 10 countries:

🇦🇺 Australia 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇴 Colombia 🇩🇰 Denmark 🇯🇵 Japan 🇳🇴 Norway 🇿🇦 South Africa 🇸🇪 Sweden 🇺🇸 United States