| Poaceae | |
Hypogynium absimile
| (Pilg.) Roberty | Boissiera 9: 189 | 1960 |
| Poaceae | |
Hypogynium arrectum
| (Stapf) Roberty | Boissiera 9: 182 | 1960 |
| Poaceae | |
Hypogynium campestre
| Nees | Fl. Bras. Enum. Pl. 2(1): 365 | 1829 |
| Poaceae | |
Hypogynium ceresiiforme
| (Nees) Roberty | Boissiera 9: 192 | 1960 |
| Poaceae | |
Hypogynium foveolatum
| (Delile) Haines | Bot. Bihar Orissa Pt. 5: 1041 | 1924 |
| Poaceae | |
Hypogynium hamatum
| (Stapf) Roberty | Boissiera 9: 183 | 1960 |
| Poaceae | |
Hypogynium heteroclitum
| (Roxb.) Roberty | Boissiera 9: 190 | 1960 |
| Poaceae | |
Hypogynium leptocomum
| (Trin.) Roberty | Boissiera 9: 187 | 1960 |
| Poaceae | |
Hypogynium macrochaetum
| (Stapf) Roberty | Boissiera 9: 185 | 1960 |
| Poaceae | |
Hypogynium pumilum
| (Jacq.-Fél.) Roberty | Boissiera 9: 187 | 1960 |
| Poaceae | |
Hypogynium schlechteri
| (Hack.) Pilg. | Nat. Pflanzenfam., ed. 2 14e: 156 | 1940 |
| Poaceae | |
Hypogynium spathiflorum
| Nees | Fl. Bras. Enum. Pl. 2(1): 366 | 1829 |
| Poaceae | |
Hypogynium trichaetum
| (Reznik) Roberty | Boissiera 9: 183 | 1960 |
| Poaceae | |
Hypogynium tripidarium
| (Stapf) Roberty | Boissiera 9: 186 | 1960 |
| Poaceae | |
Hypogynium trispiculatum
| (Stapf) Roberty | Boissiera 9: 183 | 1960 |
| Poaceae | |
Hypogynium virgatum
| (Desv. ex Ham.) Dandy | J. Bot. 69(2): 54 | 1931 |