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 | Marchantiophyta Stotler et Crand. Stotl. in A.J. Shaw et B. Goffinet - liverworts |
| class | Jungermanniopsida Stotler et Crand.-Stotl. |
| subclass | Jungermanniidae Engl. |
| order | Porellales Schljakov |
| suborder | Porellineae R.M. Schust. |
| family | Porellaceae Cavers |
| genus | Porella L. |
| species | Porella bolanderi (Austin) Pearson |