| Poaceae | ** |
Secale aestivum
| Uspenski | Bull. Soc. Imp. Naturalistes Moscou 7: 368 | 1834 |
| Poaceae | |
Secale afghanicum
| (Vavilov) Roshev. | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 6: 139 | 1947 |
| Poaceae | |
Secale africanum
| Stapf | Hooker's Icon. Pl. 27(1): t. 2601, 1–2 | 1899 |
| Poaceae | |
Secale anatolicum
| Boiss. | Diagn. Pl. Orient., ser. 1, 5: 76 | 1844 |
| Poaceae | |
Secale ancestrale
| (Zhuk.) Zhuk. | La Turquie Agricole 274 | 1933 |
| Poaceae | |
Secale arundinaceum
| F.W. Trautv. | Der Schilfroggen 1, 2 | 1840 |
| Poaceae | |
Secale barbatum
| Moench | Suppl. Meth. 59 | 1802 |
| Poaceae | |
Secale campestre
| Kit. ex Schult. | Oester. Fl. (ed. 2) 1: 197 | 1814 |
| Poaceae | |
Secale cereale
| L. | Sp. Pl. 1: 84 | 1753 |
| Poaceae | |
Secale chaldicum
| Fed. | Zametki Sist. Geogr. Rast. 8: 5 | 1939 |
| Poaceae | |
Secale ciliatoglume
| (Boiss.) Grossh. | Trudy Prikl. Bot. 13: 473 | 1924 |
| Poaceae | ** |
Secale compositum
| Poir. | Encycl. 7: 54 | 1806 |
| Poaceae | * |
Secale creticum
| L. | Sp. Pl. 1: 84 | 1753 |
| Poaceae | ** |
Secale creticum
| Sieber ex Kunth | Enum. Pl. 1: 449 | 1833 |
| Poaceae | |
Secale dalmaticum
| Vis. | Fl. Dalmat. 1: 97 | 1842 |
| Poaceae | |
Secale daralagesi
| Thüm. | Sovetsk. Bot. 6: 101 | 1938 |
| Poaceae | |
Secale × derzhavinii
| Tzvelev | Novosti Sist. Vyssh. Rast. 10: 47 | 1973 |
| Poaceae | |
Secale dighoricum
| (Vavilov) Roshev. | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 6: 143 | 1947 |
| Poaceae | |
Secale fragile
| M. Bieb. | Fl. Taur.-Caucas. 3: 93 | 1819 |
| Poaceae | |
Secale glaucum
| d'Urv. | Mém. Soc. Linn. Paris 1: 268 | 1822 |
| Poaceae | |
Secale hirtum
| Poir. | Encycl. 7: 55 | 1806 |
| Poaceae | ** |
Secale hybernum
| Poir. | Encycl. 7: 54 | 1806 |
| Poaceae | |
Secale iranicum
| Kobyl. | Trudy Prikl. Bot. 79: 28 | 1983 |
| Poaceae | ! |
Secale iranicum
| Kobyl. | Byull. Vsesoyuzn. Nauchno-Issl. Inst. Zashch. Rast. 48: 67 | 1975 |
| Poaceae | |
Secale kuprijanovii
| Grossh. | Fl. Kavkaza 1: 136 | 1928 |
| Poaceae | |
Secale leptorhachis
| H. Scholz & Parolly | Willdenowia 34: 149, f. 2 | 2004 |
| Poaceae | |
Secale montanum
| Guss. | Ind. Sem. Hort. Boccadifalco 11 | 1825 |
| Poaceae | |
Secale orientale
| L. | Sp. Pl. 1: 84 | 1753 |
| Poaceae | |
Secale prostratum
| Pall. | Reise Russ. Reich. 1: 485 | 1771 |
| Poaceae | |
Secale pumilum
| (L. f.) Pers. | Syn. Pl. 1: 109 | 1805 |
| Poaceae | |
Secale pungens
| Pers. | Syn. Pl. 1: 108 | 1805 |
| Poaceae | ** |
Secale reptans
| Pall. | Reise Russ. Reich. 1: 168 | 1771 |
| Poaceae | |
Secale rhodopaeum
| Delip. | Dokl. Bolgarsk. Akad. Nauk 1962: 4 | 1962 |
| Poaceae | |
Secale segetale
| (Zhuk.) Roshev. | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 6: 143–145, f. 22 | 1947 |
| Poaceae | |
Secale silvestre
| Host | | |
| Poaceae | |
Secale spelta
| L. | | |
| Poaceae | ** |
Secale spontaneum
| Fisch. ex Steud. | Nomencl. Bot. 757 | 1821 |
| Poaceae | |
Secale strictum
| (C. Presl) C. Presl | Fl. Sicul. (Presl) 1: xlvi | 1826 |
| Poaceae | |
Secale sylvestre
| Host | Icon. Descr. Gram. Austriac. 4: 7 | 1809 |
| Poaceae | |
Secale tetraploidum
| Kobyl. | Trudy Prikl. Bot. 79: 36 | 1983 |
| Poaceae | ** |
Secale transcaucasicum
| Grossh. | Opred. Rast. Kavkaza 717 | 1949 |
| Poaceae | |
Secale triflorum
| P. Beauv. | Ess. Agrostogr. 105, 178 | 1812 |
| Poaceae | |
Secale tsitsinii
| Kobyl. | Trudy Prikl. Bot. 79: 36 | 1983 |
| Poaceae | |
Secale turkestanicum
| Bensin | Bull. Torrey Bot. Club 60(3): 156–160, f. 1–2 | 1933 |
| Poaceae | ! |
Secale vavilovii
| Grossh. | Trudy Prikl. Bot. Selekts. 13(2): 473, 481 | 1924 |
| Poaceae | |
Secale vavilovii
| Kobyl. | Trudy Prikl. Bot. 79: 35 | 1983 |
| Poaceae | ** |
Secale vernum
| Poir. | Encycl. 7: 54 | 1806 |
| Poaceae | |
Secale villosum
| L. | Sp. Pl. 1: 84 | 1753 |