Organismen see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Plantae Haeckel (1866) - plants Subkingdom Protophyta Class Phytarcha [Subclass] Chromaceae Order Nostochineae 1 Genus Nostoc Vaucher ex Bornet & Flahault (1888)