Relbunium hypocarpium (L.) Hemsl., Biol. Cent.-Amer., Bot. 2(7): 63. 1881 sec. Borhidi 2006
- =Vaillantia hypocarpia L., Syst. Nat. (ed. 10) 2: 1307. 1759 syn. sec. ???
- =Galium croceum Ruiz & Pav., Fl. Peruv. 1: 59. 1798 syn. sec. ???
- =Galium ovale Ruiz & Pav., Fl. Peruv. 1: 59. 1798 syn. sec. ???
- =Rubia hypocarpia (L.) DC., Prodr. 4: 591. 1830 syn. sec. Borhidi 2006