Ajuga vs Alligatorweed

Ajuga reptans compared with Alternanthera philoxeroides

Key Differences

• Ajuga is Endangered while Alligatorweed is Not Evaluated.

Taxonomic Classification

Rank	Ajuga	Alligatorweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Lamiales (Lamiales)	Caryophyllales (Caryophyllales)
Family	Lamiaceae	Amaranthaceae
Genus	Ajuga	Alternanthera
Species	Ajuga reptans	Alternanthera philoxeroides

Evolutionary Relationship

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

Conservation Status

Ajuga

EN — Endangered

Alligatorweed

NE — Not Evaluated

Physical Characteristics

Attribute	Ajuga	Alligatorweed
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.

Alligatorweed

Habitat

Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

Range

Widely distributed across Africa (Comoros, Madagascar), Asia (14 countries), Europe (9 countries), North America (Honduras, Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

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.

Alligatorweed

The Alligatorweed (Alternanthera philoxeroides) is a species in the genus Alternanthera. Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

Shared Countries

Both species can be found in 10 countries:

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