Closterium acerosum
- kingdom: Plantae
- phylum: Charophyta
- class: Zygnematophyceae
- order: Zygnematales
- family: Closteriaceae
- genus: Closterium
- species: Closterium acerosum
Frankenfels
Lower Austria
Austria
Berlin- Berlin Treptow
Berlin- Albertstadt
Saxony
Germany
Marstrand
Västra Götaland
Sweden
Cambridge- Somerville
Massachusetts
United States