The van Slageren [reference] Triticum classification follows Mac Key (1988) with the exception of several name and ranking changes (see table below).
| Section Monococca Flaksb. |
| Triticum monococcum L. |
| subsp. monococcum |
| subsp. aegilopoides (Link) Thell. | Triticum urartu Tumanian ex Gandilyan |
| Section Dicoccoidea Flaksb. |
| Triticum turgidum |
| subsp. turgidum |
| subsp. carthlicum (Nevski in Kom.) Á.Löve & D.Löve |
| subsp. dicoccum (Schrank ex Schübler) Thell. |
| subsp. durum (Desf.) Husnot |
| subsp. paleocolchicum (Menabde) Á.Löve & D.Löve |
| subsp. polonicum (L.) Thell. |
| subsp. turanicum (Jakubz.) Á.Löve & D.Löve |
| subsp. dicoccoides (Körn. ex Asch. & Graebner) Thell. |
| Triticum timopheevii (Zhuk.) Zhuk. |
| subsp. timopheevii |
| subsp. armeniacum (Jakubz.) MacKey |
| Section Triticum |
| Triticum aestivum L. |
| subsp. aestivum |
| subsp. compactum (Host) MacKey |
| subsp. macha (Dekapr. & Menabde) MacKey |
| subsp. spelta (L.) Thell. |
| subsp. sphaerococcum (Percival) MacKey |
| Triticum zhukovskyi Menabde & Ericzjan |
| Mac Key (1988) | van Slageren (1994) |
|---|---|
| T. monococcum subsp. boeoticum | T. monococcum subsp. aegilopoides |
| T. turgidum subsp. turgidum | |
| convar. durum | T. turgidum subsp. durum |
| convar. turanicum | T. turgidum subsp. turanicum |
| convar. polonicum | T. turgidum subsp. polonicum |
| T. turgidum subsp. georgicum | T. turgidum subsp. paleocolchicum |