Pediastrum tetras Kingdom Plantae Phylum Chlorophyta Class Chlorophyceae Order Sphaeropleales Family Hydrodictyaceae Authority (Ehrenberg) Ralfs Read more about Pediastrum tetras
Stauridium tetras Kingdom Plantae Phylum Chlorophyta Class Chlorophyceae Order Sphaeropleales Family Hydrodictyaceae Authority (Ehrenberg) E. Hegewald Read more about Stauridium tetras