Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Fungi Whittaker - fungi |
| divisio | Basidiomycota R. T. Moore - club fungi |
| subphylum | Pucciniomycotina |
| class | Pucciniomycetes R. Bauer, Begerow, J. P. Samp., M. Weiss & Oberw. |
| order | Pachnocybales R. Bauer, Begerow, J. P. Samp., M. Weiss & Oberw. |
| family | Pachnocybaceae Oberw. & R. Bauer |
| genus | Pachnocybe Berk. |
| species | Pachnocybe grisea Berk. |