| Cymbopogon afronardus Stapf | Cymbopogon nardus (L.) Rendle | | | Cymbopogon afronardus Stapf | Cymbopogon nardus (L.) Rendle | 12794 | 12810 |
| Cymbopogon bombycinus (R. Br.) Domin | | a | | Cymbopogon bombycinus (R. Br.) Domin | | 12795 | |
| Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf | | a | | Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf | | 12796 | |
| Cymbopogon citratus (DC.) Stapf | | a | | Cymbopogon citratus (DC.) Stapf | | 12797 | |
| Cymbopogon coloratus (Hook. f.) Stapf | | a | | Cymbopogon coloratus (Hook. f.) Stapf | | 12798 | |
| Cymbopogon confertiflorus (Steud.) Stapf | Cymbopogon nardus (L.) Rendle | | | Cymbopogon confertiflorus (Steud.) Stapf | Cymbopogon nardus (L.) Rendle | 12799 | 12810 |
| Cymbopogon cymbarius (L.) Thomson | Hyparrhenia cymbaria (L.) Stapf | | | Cymbopogon cymbarius (L.) Thomson | Hyparrhenia cymbaria (L.) Stapf | 12800 | 19540 |
| Cymbopogon distans (Nees) Will. Watson | | a | | Cymbopogon distans (Nees) Will. Watson | | 12801 | |
| Cymbopogon exaltatus (R. Br.) Domin | | a | | Cymbopogon exaltatus (R. Br.) Domin | | 12802 | |
| Cymbopogon excavatus (Hochst.) Stapf | Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf | | | Cymbopogon excavatus (Hochst.) Stapf | Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf | 12803 | 12796 |
| Cymbopogon flexuosus (Nees) Will. Watson | | a | | Cymbopogon flexuosus (Nees) Will. Watson | | 12804 | |
| Cymbopogon giganteus Chiov. | Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf subsp. giganteus (Chiov.) Sales | | | Cymbopogon giganteus Chiov. | Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf subsp. giganteus (Chiov.) Sales | 12805 | 449482 |
| Cymbopogon goeringii (Steud.) A. Camus | | a | | Cymbopogon goeringii (Steud.) A. Camus | | 12806 | |
| Cymbopogon hirtus (L.) Thomson | Hyparrhenia hirta (L.) Stapf | | | Cymbopogon hirtus (L.) Thomson | Hyparrhenia hirta (L.) Stapf | 12807 | 19546 |
| Cymbopogon jwarancusa (Jones) Schult. | | a | | Cymbopogon jwarancusa (Jones) Schult. | | 12808 | |
| Cymbopogon martini (Roxb.) Will. Watson | | a | | Cymbopogon martini (Roxb.) Will. Watson | | 12809 | |
| Cymbopogon nardus (L.) Rendle | | a | | Cymbopogon nardus (L.) Rendle | | 12810 | |
| Cymbopogon nervatus (Hochst.) Chiov. | | a | | Cymbopogon nervatus (Hochst.) Chiov. | | 12811 | |
| Cymbopogon obtectus S. T. Blake | | a | | Cymbopogon obtectus S. T. Blake | | 12812 | |
| Cymbopogon odoratus (J. R. Lisboa) G. Watt | Bothriochloa odorata (J. R. Lisboa) A. Camus | | | Cymbopogon odoratus (J. R. Lisboa) G. Watt | Bothriochloa odorata (J. R. Lisboa) A. Camus | 12813 | 7486 |
| Cymbopogon parkeri Stapf | Cymbopogon commutatus (Steud.) Stapf | | | Cymbopogon parkeri Stapf | Cymbopogon commutatus (Steud.) Stapf | 12814 | 449485 |
| Cymbopogon plurinodis (Stapf) Burtt Davy | Cymbopogon pospischilii (K. Schum.) C. E. Hubb. | | | Cymbopogon plurinodis (Stapf) Burtt Davy | Cymbopogon pospischilii (K. Schum.) C. E. Hubb. | 12815 | 12817 |
| Cymbopogon polyneuros (Steud.) Stapf | | a | | Cymbopogon polyneuros (Steud.) Stapf | | 12816 | |
| Cymbopogon pospischilii (K. Schum.) C. E. Hubb. | | a | | Cymbopogon pospischilii (K. Schum.) C. E. Hubb. | | 12817 | |
| Cymbopogon procerus (R. Br.) Domin | | a | | Cymbopogon procerus (R. Br.) Domin | | 12818 | |
| Cymbopogon refractus (R. Br.) A. Camus | | a | | Cymbopogon refractus (R. Br.) A. Camus | | 12819 | |
| Cymbopogon rufus (Nees) Rendle | Hyparrhenia rufa (Nees) Stapf | | | Cymbopogon rufus (Nees) Rendle | Hyparrhenia rufa (Nees) Stapf | 12820 | 19550 |
| Cymbopogon schoenanthus (L.) Spreng. | | a | | Cymbopogon schoenanthus (L.) Spreng. | | 12821 | |
| Cymbopogon tortilis (J. Presl) A. Camus | | a | | Cymbopogon tortilis (J. Presl) A. Camus | | 12822 | |
| Cymbopogon validus (Stapf) Burtt Davy | Cymbopogon nardus (L.) Rendle | | | Cymbopogon validus (Stapf) Burtt Davy | Cymbopogon nardus (L.) Rendle | 12823 | 12810 |
| Cymbopogon winterianus Jowitt | | a | | Cymbopogon winterianus Jowitt | | 103628 | |
| Cymbopogon nardus (L.) Rendle var. confertiflorus (Steud.) Stapf ex Bor | Cymbopogon nardus (L.) Rendle | | i | Cymbopogon nardus (L.) Rendle var.confertiflorus (Steud.) Stapf ex Bor | Cymbopogon nardus (L.) Rendle | 104140 | 12810 |
| Cymbopogon spp. | | a | | Cymbopogon spp. | | 300162 | |
| Cymbopogon jwarancusa (Jones) Schult. subsp. olivieri (Boiss.) Soenarko | | a | i | Cymbopogon jwarancusa (Jones) Schult. subsp. olivieri (Boiss.) Soenarko | | 310139 | |
| Cymbopogon olivieri (Boiss.) Bor | Cymbopogon jwarancusa (Jones) Schult. subsp. olivieri (Boiss.) Soenarko | | | Cymbopogon olivieri (Boiss.) Bor | Cymbopogon jwarancusa (Jones) Schult. subsp. olivieri (Boiss.) Soenarko | 310141 | 310139 |
| Cymbopogon pendulus (Nees) Will. Watson | | a | | Cymbopogon pendulus (Nees) Will. Watson | | 423648 | |
| Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf subsp. caesius | | a | i | Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf subsp. caesius | | 449481 | |
| Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf subsp. giganteus (Chiov.) Sales | | a | i | Cymbopogon caesius (Nees ex Hook. & Arn.) Stapf subsp. giganteus (Chiov.) Sales | | 449482 | |
| Cymbopogon jwarancusa (Jones) Schult. subsp. jwarancusa | | a | i | Cymbopogon jwarancusa (Jones) Schult. subsp. jwarancusa | | 449483 | |
| Cymbopogon commutatus (Steud.) Stapf | | a | | Cymbopogon commutatus (Steud.) Stapf | | 449485 | |
| Cymbopogon schoenanthus (L.) Spreng. subsp. schoenanthus | | a | i | Cymbopogon schoenanthus (L.) Spreng. subsp. schoenanthus | | 449487 | |
| Cymbopogon schoenanthus (L.) Spreng. subsp. proximus (A. Rich.) Maire & Weiller | | a | i | Cymbopogon schoenanthus (L.) Spreng. subsp. proximus (A. Rich.) Maire & Weiller | | 449488 | |
| Cymbopogon proximus (Hochst. ex A. Rich.) Stapf | Cymbopogon schoenanthus (L.) Spreng. subsp. proximus (A. Rich.) Maire & Weiller | | | Cymbopogon proximus (Hochst. ex A. Rich.) Stapf | Cymbopogon schoenanthus (L.) Spreng. subsp. proximus (A. Rich.) Maire & Weiller | 449490 | 449488 |
| Cymbopogon ambiguus (Hack.) A. Camus | | a | | Cymbopogon ambiguus (Hack.) A. Camus | | 477118 | |