| Rubiaceae | |
Catunaregam brandisii
| Kottaim. | Int. J. Curr. Res. Biosci. & Pl. Biol. 6(10): 41 | 2019 |
| Rubiaceae | |
Catunaregam longispina
| (Link) Tirveng. | Edinburgh J. Bot. 53: 95 | 1996 |
| Rubiaceae | |
Catunaregam malabarica
| (Lam.) Sivar. | Fl. Calicut 131 | 1982 |
| Rubiaceae | |
Catunaregam nilotica
| (Stapf) Tirveng. | Taxon 27: 515 | 1979 |
| Rubiaceae | |
Catunaregam nutans
| (Roxb.) Tirveng. | Nordic J. Bot. 3: 456 | 1983 |
| Rubiaceae | |
Catunaregam obovata
| A.E. Gonç. | | |
| Rubiaceae | |
Catunaregam oocarpa
| (Ridl.) Tirveng. | Nordic J. Bot. 3(4): 456 | 1983 |
| Rubiaceae | |
Catunaregam pentandra
| (Gürke) Bridson | Fl. Zambes. 3: 641–642 | 2003 |
| Rubiaceae | |
Catunaregam pygmaea
| Vollesen | Nordic J. Bot. 1(6): 735 | 1981 [1982] |
| Rubiaceae | ! |
Catunaregam spinosa
| (Thunb.) Tirveng. | Bull. Mus. Hist. Nat. (Paris) 35: 13 | 1978 |
| Rubiaceae | |
Catunaregam stenocarpa
| Bridson | Fl. Zambes. 3: 642–644, t. 128 | 2003 |
| Rubiaceae | |
Catunaregam stipulosa
| (Zoll. & Moritzi) Deb & M. Gangop. | Nelumbo 54: 267 | 2012 |
| Rubiaceae | |
Catunaregam swynnertonii
| (S. Moore) Bridson | in Fl. Zambes. 5(3): 639 | 2003 |
| Rubiaceae | |
Catunaregam taylorii
| (S. Moore) Bridson | Fl. Zambes. 3: 644–645 | 2003 |
| Rubiaceae | |
Catunaregam tomentosa
| (Blume ex DC.) Tirveng. | Taxon 27: 515 | 1978 [1979] |
| Rubiaceae | |
Catunaregam torulosum
| (Dennst.) Deb & M. Gangop. | Nelumbo 54: 267 | 2012 |
| Rubiaceae | |
Catunaregam uliginosa
| (Retz.) Sivar. | Fl. Calicut 132 | 1982 |