Hordeae according to Hackel. The information comes from Pages 76-89 in Engler, A. and K. Prantl. 1889. Die naturlichen Pflanzenfamilien. Leipzig, Germany. Genera in red are still included in the Hordeae. Bentham's view was similar.
| Subtribe | Genus | Number of species |
| NARDEAE | ||
| Nardus | 1 | |
| LOLIEAE | ||
| Lolium | 6 | |
| Kralikia | 1 [Now included in Tripogon fide Clayton & Renvoize} | |
| Oropetium | 1 | |
| Jouvea | 1 | |
| Monerma | 3 | |
| LEPTUREAE | ||
| Lepturus | 4 | |
| Scribneria | 1 | |
| Psilurus | 1 | |
| TRITICEAE | ||
| Agropyron | 32 | |
| Haynaldia | 2 | |
| Secale | 2 | |
| Triticum | 15, 12 in sect. Aegilops, 3 of Triticum in section Sitopyros | |
| Heteranthelium | 1 | |
| ELYMINEAE | Hordeum | 16 |
| Elymus | 30 | |
| Asprella [= Hystrix] | 4 | |
| Pariana | 10 [A genus of herbaceous bamboos] | |