the root (no rank)
Eukaryota (domain)
Viridiplantae (kingdom)
Streptophyta (phylum)
Zygnemophyceae (class)
Desmidiales (order)
Closteriaceae (family)
[hide inferior taxa]
Closterium peracerosum (species)
Closterium peracerosum-strigosum-littorale complex (species)
Closterium sp. (species)