| Arten: |
| Hordeum aegiceras Nees ex Royle |
| Hordeum arizonicum Covas |
| Hordeum × blomii Thell. |
| Hordeum bogdanii Wilensky |
| Hordeum brachyantherum Nevski |
| Hordeum brachyatherum Phil. |
| Hordeum brevisubulatum (Trin.) Link |
| Hordeum bulbosum L. |
| Hordeum californicum Covas & Stebbins |
| Hordeum capense Thunb. |
| Hordeum chilense Roem. & Schult. |
| Hordeum comosum J.Presl |
| Hordeum cordobense Bothmer, N.Jacobsen & Nicora |
| Hordeum depressum (Scribn. & J.G.Sm.) Rydb. |
| Hordeum distichon L. |
| Hordeum distichon var. distichon |
| Hordeum erectifolium Bothmer, N.Jacobsen & R.B.Jørg. |
| Hordeum euclaston Steud. |
| Hordeum flexuosum Steud. |
| Hordeum fuegianum Bothmer, N.Jacobsen & R.B.Jørg. |
| Hordeum guatemalense Bothmer, N.Jacobsen & R.B.Jørg. |
| Hordeum halophilum Griseb. |
| Hordeum × intermedium (Körn.) Carleton |
| Hordeum jubatum L. |
| Hordeum jubatum subsp. jubatum |
| Hordeum × lagunculciforme (Bachteev) Nikif. |
| Hordeum lagunculiforme Bacht. |
| Hordeum lechleri (Steud.) Schenck |
| Hordeum marinum Huds. |
| Hordeum marinum subsp. gussoneanum (Parl.) Thell. |
| Hordeum montanense Scribn. ex Beal |
| Hordeum murinum L. |
| Hordeum murinum subsp. glaucum (Steud.) Tzvelev |
| Hordeum murinum subsp. leporinum (Link) Arcang. |
| Hordeum murinum subsp. murinum |
| Hordeum muticum J.Presl |
| Hordeum parodii Covas |
| Hordeum patagonicum (Hauman) Covas |
| Hordeum × pavisii Préaub. |
| Hordeum procerum Nevski |
| Hordeum pubiflorum Hook.f. |
| Hordeum pubiflorum subsp. pubiflorum |
| Hordeum pusillum Nutt. |
| Hordeum roshevitzii Bowden |
| Hordeum secalinum Schreb. |
| Hordeum spontaneum K.Koch |
| Hordeum stenostachys Godr. |
| Hordeum tetraploidum Covas |
| Hordeum vulgare L. |