Taxonomia

• Lineage:
• Root
/
• Plantae
/
• Chlorophyta
/
• Zygnematophyceae
/
• Zygnematales
/
• Desmidiaceae
/
• Cosmarium
/
• Cosmarium tetragonum

Cosmarium tetragonum (species)

• varietyDavidsonii
• varietyElegans
• varietyIntermedium
• varietyLundellii
• varietyOrnatum