| Poaceae | |
Elymus macrourus subsp. macrourus
| | | |
| Poaceae | |
Elymus macrourus subsp. neplianus
| (V.N. Vassil.) Tzvelev | Novosti Sist. Vyssh. Rast. 10: 25 | 1973 |
| Poaceae | |
Elymus macrourus subsp. pilosivaginatus
| (Jurtzev) Czerep. | Vasc. Pl. Russia & Adj. States 363 | 1995 |
| Poaceae | |
Elymus macrourus subsp. turuchanensis
| (Reverd.) Tzvelev | Novosti Sist. Vyssh. Rast. 8: 63 | 1971 |