| Poaceae |
!
|
Elymus caput-medusae
| L. | Sp. Pl. 1: 84 | 1753 |
| Poaceae |
*
|
Elymus caput-medusae
| Forssk. | Fl. Aegypt.-Arab. 25 | 1775 |
| Poaceae |
*
|
Elymus caput-medusae fo. acaulis
| Sennen & Mauricio | Cat. Fl. Rif. Orient. 137 | 1934 |
| Poaceae |
!
|
Elymus caput-medusae var. asper
| (Simonk.) Halácsy | Consp. Fl. Graec. 3: 426 | 1904 |
| Poaceae |
*
|
Elymus caput-medusae var. asper
| (Simonk.) Fiori | Nuov. Fl. Italia 1: 162 | 1923 |
| Poaceae |
*
|
Elymus caput-medusae var. asper
| (Simonk.) Maire | Fl. Afrique N. 3: 393 | 1955 |
| Poaceae |
|
Elymus caput-medusae subsp. bobartii
| (Asch. & Graebn.) Maire | Fl. Afrique N. 3: 393 | 1955 |
| Poaceae |
|
Elymus caput-medusae var. bobartii
| (Asch. & Graebn.) Fiori | Nuov. Fl. Italia 1: 163 | 1923 |
| Poaceae |
|
Elymus caput-medusae fo. caput-medusae
| | | |
| Poaceae |
|
Elymus caput-medusae subsp. caput-medusae
| | | |
| Poaceae |
|
Elymus caput-medusae var. caput-medusae
| | | |
| Poaceae |
|
Elymus caput-medusae subsp. crinitus
| (Schreb.) Nyman | Consp. Fl. Eur. 837 | 1882 |
| Poaceae |
!
|
Elymus caput-medusae var. crinitus
| (Schreb.) Ball | J. Linn. Soc., Bot. 16: 732 | 1878 |
| Poaceae |
*
|
Elymus caput-medusae var. crinitus
| (Schreb.) Fiori | Fl. Italia 1: 163 | 1923 |
| Poaceae |
|
Elymus caput-medusae var. hordeaceus
| Pau | Bol. Soc. Aragonesa Ci. Nat. 1: 29 | 1902 |
| Poaceae |
|
Elymus caput-medusae fo. pubivaginatus
| Maire | Bull. Soc. Hist. Nat. Afrique N. 30: 370 | 1939 |
| Poaceae |
*
|
Elymus caput-medusae var. typicus
| Halácsy | Consp. Fl. Graec. 3: 426 | 1904 |