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 | Bryophyta A. Braun - mosses |
| subdivisio | Bryophytina Engler |
| class | Bryopsida Rothm. |
| subclass | Bryidae Engl. |
| superorder | Hypnanae W.R. Buck, Goffinet et A.J. Shaw |
| order | Hypnales (M. Fleisch.) W.R. Buck et Vitt |
| family | Fontinalaceae Schimp. |
| genus | Fontinalis Hedw. - fontinalis moss |
| species | Fontinalis sullivantii Lindb. - Sullivant's Fontinalis Moss |