| Full name | Instance type | Ref publication date | Sort name | Page |
|---|---|---|---|---|
| Secotium piriforme Cleland & G.Cunn. | nomenclatural synonym | 1924 | secotium piriforme | 115 |
| Thaxterogaster piriformis (Cleland & G.Cunn.) M.M.Moser | nomenclatural synonym | 1965 | thaxterogaster piriformis | 223 |
