Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| Archaeplastida | |
| kingdom | Plantae Haeckel - plants |
| divisio | Charophyta E.Möhn |
| class | Conjugatophyceae Engler |
| order | Desmidiales C.E.Bessey |
| family | Desmidiaceae Ralfs |
| genus | Cosmarium Corda ex Ralfs |
| species | Cosmarium alpigenum Messikommer |