Taxonomia

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

Cosmarium quadratum (species)

• varietyAngustatum
• varietyWillei
• formWillei