| Imperata brasiliensis Trin. | | a | | Imperata brasiliensis Trin. | | 19863 | |
| Imperata cylindrica (L.) Raeusch. | | a | | Imperata cylindrica (L.) Raeusch. | | 19864 | |
| Imperata exaltata (Roxb.) Brongn. | Tripidium arundinaceum (Retz.) Welker et al. | | | Imperata exaltata (Roxb.) Brongn. | Tripidium arundinaceum (Retz.) Welker et al. | 19865 | 486103 |
| Imperata hookeri (Rupr. ex Andersson) Hack. | Imperata brevifolia Vasey | | | Imperata hookeri (Rupr. ex Andersson) Hack. | Imperata brevifolia Vasey | 19866 | 103384 |
| Imperata minutiflora Hack. | | a | | Imperata minutiflora Hack. | | 19867 | |
| Imperata sacchariflora Maxim. | Miscanthus sacchariflorus (Maxim.) Benth. & Hook. f. ex Franch. | | | Imperata sacchariflora Maxim. | Miscanthus sacchariflorus (Maxim.) Benth. & Hook. f. ex Franch. | 19868 | 24490 |
| Imperata tenuis Hack. | | a | | Imperata tenuis Hack. | | 19869 | |
| Imperata brevifolia Vasey | | a | | Imperata brevifolia Vasey | | 103384 | |
| Imperata arundinacea Cirillo | Imperata cylindrica (L.) Raeusch. | | | Imperata arundinacea Cirillo | Imperata cylindrica (L.) Raeusch. | 103590 | 19864 |
| Imperata spp. | | a | | Imperata spp. | | 301099 | |
| Imperata koenigii (Retz.) P. Beauv. | Imperata cylindrica (L.) Raeusch. | | | Imperata koenigii (Retz.) P. Beauv. | Imperata cylindrica (L.) Raeusch. | 415561 | 19864 |
| Imperata cylindrica (L.) Raeusch. var. koenigii (Retz.) Perkins | Imperata cylindrica (L.) Raeusch. | | i | Imperata cylindrica (L.) Raeusch. var.koenigii (Retz.) Perkins | Imperata cylindrica (L.) Raeusch. | 415563 | 19864 |
| Imperata cylindrica (L.) Raeusch. subsp. koenigii (Retz.) Masam. & Yanagita | Imperata cylindrica (L.) Raeusch. | | i | Imperata cylindrica (L.) Raeusch. subsp. koenigii (Retz.) Masam. & Yanagita | Imperata cylindrica (L.) Raeusch. | 415564 | 19864 |
| Imperata cylindrica (L.) Raeusch. var. major (Nees) C. E. Hubb. | Imperata cylindrica (L.) Raeusch. | | i | Imperata cylindrica (L.) Raeusch. var.major (Nees) C. E. Hubb. | Imperata cylindrica (L.) Raeusch. | 415573 | 19864 |
| Imperata koenigii P. Beauv. var. major Nees | Imperata cylindrica (L.) Raeusch. | | i | Imperata koenigii P. Beauv. var.major Nees | Imperata cylindrica (L.) Raeusch. | 415574 | 19864 |
| Imperata conferta (J. Presl) Ohwi | | a | | Imperata conferta (J. Presl) Ohwi | | 447374 | |
| Imperata exaltata auct. | Imperata conferta (J. Presl) Ohwi | | | Imperata exaltata auct. | Imperata conferta (J. Presl) Ohwi | 447751 | 447374 |
| Imperata contracta (Kunth) Hitchc. | | a | | Imperata contracta (Kunth) Hitchc. | | 478233 | |