Ajuga vs Prototype quillwort

Ajuga reptans compared with Isoetes prototypus

Key Differences

• Ajuga is Endangered while Prototype quillwort is Near Threatened.

Taxonomic Classification

Rank	Ajuga	Prototype quillwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Lycopodiopsida (Lycopodiopsida)
Order	Lamiales (Lamiales)	Isoetales (Isoetales)
Family	Lamiaceae	Isoetaceae
Genus	Ajuga	Isoetes
Species	Ajuga reptans	Isoetes prototypus

Evolutionary Relationship

Ajuga and Prototype quillwort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Ajuga

EN — Endangered

Prototype quillwort

NT — Near Threatened

Physical Characteristics

Attribute	Ajuga	Prototype quillwort
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.

Prototype quillwort

Habitat

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

Range

Found in Canada. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇨🇦 Canada