| Ozomelis parryi (Piper) Rydb. | Mitella stauropetala Piper |
| Ozomelis stauropetala (Piper) Rydb. | Mitella stauropetala Piper |
| Ozomelis stenopetala (Piper) Rydb. | Mitella stauropetala Piper |
| Ozomelis trifida (Graham) Rydb. | Mitella trifida Graham |
| Ozomelis parryi (Piper) Rydb. | Mitella stauropetala Piper |
| Ozomelis stauropetala (Piper) Rydb. | Mitella stauropetala Piper |
| Ozomelis stenopetala (Piper) Rydb. | Mitella stauropetala Piper |
| Ozomelis trifida (Graham) Rydb. | Mitella trifida Graham |