| Apocynaceae | |
Couma amara
| Markgr. | Notizbl. Bot. Gart. Berlin-Dahlem 11: 338 | 1932 |
| Apocynaceae | |
Couma capiron
| Pittier | Bol. Soc. Venez. Ci. Nat. 5: 312 | 1939 |
| Apocynaceae | |
Couma catingae
| Ducke | Arq. Inst. Biol. Veg. 4: 59 | 1938 |
| Apocynaceae | |
Couma caurensis
| Pittier | Bol. Soc. Venez. Ci. Nat. 5: 313 | 1939 |
| Apocynaceae | ** |
Couma dulcis
| Spruce ex Müll. Arg. | Fl. Bras. 6(1): 19 | 1860 |
| Apocynaceae | |
Couma fasciculata
| (Poir.) Benoist | Arch. Bot. Mém. 5, mem. 1: 253 | 1933 |
| Apocynaceae | |
Couma guatemalensis
| Standl. | Trop. Woods 7: 8–9 | 1926 |
| Apocynaceae | |
Couma guianensis
| Aubl. | Hist. Pl. Guiane 2(Suppl.): 39, pl. 392 | 1775 |
| Apocynaceae | |
Couma macrocarpa
| Barb. Rodr. | Vellosia (ed. 2) 1: 32–33, pl. 1, f. b | 1891 |
| Apocynaceae | |
Couma mocuge
| Caminhoá | Elem. Bot. Geral Descr. 1318 | 1877 |
| Apocynaceae | |
Couma multinervis
| Monach. | Trop. Woods 91: 39–40 | 1947 |
| Apocynaceae | |
Couma oblonga
| Benth. ex Müll. Arg. | Linnaea 30: 390 | 1860 |
| Apocynaceae | ** |
Couma pentaphylla
| Huber | | |
| Apocynaceae | |
Couma rigida
| Müll. Arg. | Fl. Bras. 6(1): 20 | 1860 |
| Apocynaceae | |
Couma sapida
| Pittier | Arb. Arbust. Venez. 4–5: 69 | 1925 |
| Apocynaceae | |
Couma utilis
| (Mart.) Müll. Arg. | Fl. Bras. 6(1): 19 | 1860 |