| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Galearis | Gale | rotundifolia | 2009 | (Banks ex Pursh) R.M.Bateman |
| Add+ | Habenaria | Hab | rotundifolia | 1823 | (Banks ex Pursh) Richardson |
| Add+ | Orchis | Orchis | rotundifolia | 1813 | Banks ex Pursh |
| Add+ | Platanthera | P | rotundifolia | 1835 | (Banks ex Pursh) Lindl. |
| Add+ | Ponerorchis | Pnr | rotundifolia | 1966 | (Banks ex Pursh) Soó |