| Bot. variety | Species | Awnedness | Pubescence | Glume Color | Seed Color | Awn Color |
|---|---|---|---|---|---|---|
| sarezicum | TR.CO | |||||
| sardoum | TR.AE | Y | N | R | R | B |
| salomonis | TR.TG | Y | Y | W | W | B |
| rufum | TR.DN | Y | N | R | R | R |
| rufulum | TR.CO | N | N | R | W | R |
| rufulinflatum | TR.CO | N | N | R | W | R |
| rufinflatum | TR.AE | N | N | R | R | |
| ruchczianum | TR.AE | |||||
| rubrum | TR.CO | N | Y | R | R | |
| rubromurinumcompactoides | TR.AE | |||||
| rubromurinum | TR.DR | |||||
| rubroatrum | TR.TG | Y | Y | R | R | B |
| rubroalbum | TR.TG | Y | Y | R | W | B |
| rubriprovinciale | TR.DR | Y | N | E | W | B |
| rubriprovinciale | TR.DR | Y | N | B | W | W |
| rubrinigrum | TR.DR | Y | N | R | W | B |
| rubrinflatum | TR.CO | N | Y | R | R | |
| rubrimurinum | TR.AE | Y | Y | C | R | |
| rubricepsinflatum | TR.CO | Y | Y | R | W | R |
| rubriceps | TR.CO | Y | Y | R | W | R |