vs

Achnanthes laevis compared with Achnanthes semiaperta

Taxonomic Classification

Rank
Kingdom same	Chromista (โครมิสตา)	Chromista (โครมิสตา)
Phylum same	Ochrophyta (Ochrophyta)	Ochrophyta (Ochrophyta)
Class same	Bacillariophyceae (Bacillariophyceae)	Bacillariophyceae (Bacillariophyceae)
Order same	Achnanthales (Achnanthales)	Achnanthales (Achnanthales)
Family same	Achnanthaceae	Achnanthaceae
Genus same	Achnanthes	Achnanthes
Species	Achnanthes laevis	Achnanthes semiaperta

Evolutionary Relationship

and share a common ancestor at the Genus level: Achnanthes.

Conservation Status

NE — Not Evaluated

NE — Not Evaluated

Physical Characteristics

Attribute
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Achnanthes laevis is a species in the genus Achnanthes. It is not yet evaluated on the IUCN Red List. It is found across Norway and Sweden, inhabiting Native to Europe, inhabiting ecosystems characteristic of the region.

Achnanthes semiaperta is a small, stalked diatom that attaches to submerged surfaces in freshwater environments, forming part of the periphyton community. Its biraphid and monoraphid valves are characteristic of the broader Achnanthes group. This species inhabits streams, lakes, and ponds with moderate nutrient levels and is used in freshwater biomonitoring programmes.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden