Organismen see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Plantae Haeckel (1866) - plants Subkingdom Protophyta Class Cosmariae Order Desmidiaceae Kützing, 1833 ex Ralfs (1845) 1 Genus Desmidium C.Agardh ex Ralfs (1848)