| Koeleria campestris Phil., 1858 |
| Koeleria canescens Torr. ex Trin., 1836 |
| Koeleria cristata Pers., 1805 |
| Koeleria elegantula Domin, 1907 |
| Koeleria gerardii (Vill.) Shinners, 1956 |
| Koeleria gracilis Pers., 1805 |
| Koeleria gracilis f. colorata Domin, 1907 |
| Koeleria gracilis f. congesta Domin, 1907 |
| Koeleria gracilis f. densevestita Domin, 1907 |
| Koeleria gracilis f. filifolia Domin, 1907 |
| Koeleria gracilis f. glabra Domin, 1907 |
| Koeleria gracilis f. laxa Domin, 1907 |
| Koeleria gracilis f. pubescens Domin, 1907 |
| Koeleria gracilis f. washingtonensis Domin, 1907 |
| Koeleria gracilis subsp. idahensis Domin, 1907 |
| Koeleria gracilis subsp. macrura Domin, 1907 |
| Koeleria gracilis subsp. nitida (Nutt.) Domin, 1907 |
| Koeleria gracilis subsp. polyantha Domin, 1907 |
| Koeleria gracilis subsp. pseudocristata (Domin) Domin, 1907 |
| Koeleria gracilis var. breviculmis Domin, 1907 |