Closterium acerosum
- kingdom: Plantae
- phylum: Charophyta
- class: Zygnematophyceae
- order: Zygnematales
- family: Closteriaceae
- genus: Closterium
- species: Closterium acerosum
Frankenfels
Lower Austria
AustriaBerlin
Berlin Treptow
BerlinAlbertstadt
Saxony
GermanyMarstrand
Västra Götaland
SwedenCambridge
Somerville
Massachusetts
United States