Gemeiner Hohlzahn vs Acker-Hohlzahn

Galeopsis tetrahit compared with Galeopsis ladanum

Key Differences

• Gemeiner Hohlzahn is Least Concern while Acker-Hohlzahn is Endangered.

Taxonomic Classification

Rank	Gemeiner Hohlzahn	Acker-Hohlzahn
Kingdom same	Plantae (Pflanzen)	Plantae (Pflanzen)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Lamiales (Lippenblütlerartige)	Lamiales (Lippenblütlerartige)
Family same	Lamiaceae	Lamiaceae
Genus same	Galeopsis	Galeopsis
Species	Galeopsis tetrahit	Galeopsis ladanum

Evolutionary Relationship

Gemeiner Hohlzahn and Acker-Hohlzahn share a common ancestor at the Genus level: Galeopsis.

Conservation Status

Gemeiner Hohlzahn

LC — Least Concern

Acker-Hohlzahn

EN — Endangered

Physical Characteristics

Attribute	Gemeiner Hohlzahn	Acker-Hohlzahn
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gemeiner Hohlzahn

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Armenia, Japan), Europe (9 countries), North America (Canada, United States), and South America (Chile).

Acker-Hohlzahn

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 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 (Kyrgyzstan, Uzbekistan), Europe (16 countries), and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Gemeiner Hohlzahn

The Brittlestem hempnettle (Galeopsis tetrahit) is a species in the genus Galeopsis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Acker-Hohlzahn

The Broad-Leaved Hemp-Nettle (Galeopsis ladanum) is a species in the genus Galeopsis. It is currently classified as 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 9 distinct biome types within the Palearctic biogeographic realm. Populations are also fo

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇧🇬 Bulgaria 🇨🇦 Canada 🇩🇰 Denmark 🇫🇮 Finland 🇫🇷 France 🇮🇸 Iceland 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States