| Poaceae | ** |
Elymus longe-aristatus subsp. duthiei
| Á. Löve | Feddes Repert. 95: 468 | 1984 |
| Poaceae | |
Elymus longiaristatus subsp. badachschanicus
| Tzvelev | Novosti Sist. Vyssh. Rast. 9: 62 | 1972 |
| Poaceae | |
Elymus longiaristatus subsp. canaliculatus
| (Nevski) Tzvelev | Novosti Sist. Vyssh. Rast. 9: 62 | 1972 |
| Poaceae | |
Elymus longiaristatus subsp. duthiei
| Á. Löve | Feddes Repert. 95(7–8): 468 | 1984 |
| Poaceae | |
Elymus longiaristatus subsp. flexuosissimus
| (Nevski) Tzvelev | Novosti Sist. Vyssh. Rast. 10: 26 | 1973 |
| Poaceae | |
Elymus longiaristatus subsp. litvinovii
| Tzvelev | Novosti Sist. Vyssh. Rast. 10: 26 | 1973 |
| Poaceae | |
Elymus longiaristatus subsp. longearistatus
| | | |
| Poaceae | |
Elymus longiaristatus subsp. sintenisii
| Melderis | Notes Roy. Bot. Gard. Edinburgh 42(1): 79 | 1984 |