| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta |
| Corticata | |
| Archaeplastida | |
| kingdom | Plantae Haeckel, 1866 - plants |
| divisio | Bryophyta A. Braun in Ascherson - mosses |
| class | Bryopsida |
| order | Pottiales |
| family | Pottiaceae Schimp. |
| genus | Acaulon C. Müll. - acaulon moss |