| Latin Name | Common Name | Family | Synonyms | Edibility Rating | Medicinal Rating |
| Elymus elymoides | Bottlebrush Squirreltail | Poaceae | E. sitanion Schult. Hordeum elymoides (Raf.) Schenck. Sitanion elymoides Raf. | 2 | 0 |
| Hordeum bulbosum | Bulbous Barley | Poaceae or Gramineae | | 2 | 0 |
| Hordeum deficiens | | Poaceae or Gramineae | | 3 | 0 |
| Hordeum distichon | Two-Rowed Barley | Poaceae or Gramineae | H. vulgare distichon. | 4 | 3 |
| Hordeum hexastichon | Six-Row Barley, Common barley | Poaceae or Gramineae | H. vulgare hexastichon. | 3 | 0 |
| Hordeum intermedium | | Poaceae or Gramineae | | 2 | 0 |
| Hordeum jubatum | Foxtail Barley, Intermediate barley | Poaceae or Gramineae | | 1 | 1 |
| Hordeum murinum | Mouse Barley, Smooth barley, Hare barley, Wall barley | Poaceae or Gramineae | | 2 | 1 |
| Hordeum trifurcatum | Egyptian Barley | Poaceae or Gramineae | | 2 | 0 |
| Hordeum vulgare | Barley, Common barley | Poaceae or Gramineae | Frumentum hordeum, Hordeum sativum, Hordeum nigrum, Hordeum durum, Secale orientale | 4 | 3 |
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