| 1. | Rachides not shattering | *T. ponticum (NSW SA VIC) Lophopyrum elongatum, Agropyron elongatum, T.elongatum |
| Rachides shattering | 2 | |
| 2. | Apex of glumes shortly 3-toothed; rachis not fragile | *T. distichum (WA) Agropyron distichum |
| Apex of glumes obtuse, not 3-toothed; rachis fragile | *T. junceiforme (VIC TAS SA) Agropyron junceiforme, A. junceum auct. |