| Poaceae | |
Sieglingia decumbens subvar. breviglumis
| (Hack.) Briq. | Prodr. Fl. Corse 1: 114 | 1910 |
| Poaceae | |
Sieglingia decumbens var. breviglumis
| (Hack.) Maire | Fl. Afrique N. 2: 366 | 1953 |
| Poaceae | |
Sieglingia decumbens subsp. decipiens
| (O. Schwarz & Bassler) Soó | Acta Bot. Acad. Sci. Hung. 17(1–2): 121 | 1971 [1972] |
| Poaceae | ** |
Sieglingia decumbens subsp. decipiens
| (O. Schwarz & Bassler) Tzvelev | Zlaki Rossii / Grasses of Russia 468 | |
| Poaceae | |
Sieglingia decumbens fo. decumbens
| | | |
| Poaceae | |
Sieglingia decumbens subsp. decumbens
| | | |
| Poaceae | |
Sieglingia decumbens var. decumbens
| | | |
| Poaceae | ** |
Sieglingia decumbens var. eudecumbens
| Maire & Weiler | Fl. Afrique N. 2: 366 | 1953 |
| Poaceae | |
Sieglingia decumbens fo. gigantea
| Buia | Fl. Republ. Socialiste Romania 12: 790 | 1972 |
| Poaceae | |
Sieglingia decumbens fo. longiglumis
| (Hack.) Soó | Acta Bot. Acad. Sci. Hung. 17(1–2): 117 | 1971 [1972] |
| Poaceae | |
Sieglingia decumbens subsp. longiglumis
| (Hack.) Maire | Fl. Afrique N. 2: 366 | 1953 |
| Poaceae | |
Sieglingia decumbens subvar. longiglumis
| (Hack.) Briq. | Prodr. Fl. Corse 1: 114 | 1910 |
| Poaceae | |
Sieglingia decumbens subsp. mauritanica
| (Maire) Maire | Fl. Afrique N. 2: 366 | 1953 |
| Poaceae | |
Sieglingia decumbens var. mauritanica
| Maire | Bull. Soc. Hist. Nat. Afrique N. 33(4): 94 | 1942 |