vs

Achnanthes acares compared with Achnanthes armillaris

Taxonomic Classification

Rank
Kingdom same	Chromista (Chromista)	Chromista (Chromista)
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 acares	Achnanthes armillaris

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 and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, and Sweden.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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

Achnanthes armillaris is a small, monoraphid diatom in the family Achnanthidiaceae, attached to submerged substrates by a mucilage pad at one pole of its frustule. It inhabits freshwater streams, rivers, and lakes, forming part of the epilithic and epiphytic diatom community. Like other Achnanthes species, it serves as a bioindicator for water chemistry and flow regime in freshwater monitoring programs.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden