Crusea hispida (Mill.) B.L. Rob. in Proc. Amer. Acad. Arts 45(17): 409. 1910 sec. Borhidi 2006
- ≡Crucianella hispida Mill., Gard. Dict. (ed. 8): 4. 1768 syn. sec. The Plant List 2013
- =Spermacoce rubra Jacq., Pl. Hort. Schoenbr. 3: 3. 1798 syn. sec. Borhidi 2006
- =Spermacoce strigosa Sims in Bot. Mag. 38: t. 1558. 1813 syn. sec. Borhidi 2006
- =Crusea rubra (Jacq.) Cham. & Schltdl. in Linnaea 5: 165. 1830 syn. sec. Borhidi 2006
- =Crusea aspera Bartl., Index Sem. (Goettingen). 1838 syn. sec. Borhidi 2006
- =Spermacoce capitata Sessé & Moc., Pl. Nov. Hisp.: 17. 1888 syn. sec. Borhidi 2006
- =Crusea rosea Loes. in Repert. Spec. Nov. Regni Veg. 18: 362. 1922 syn. sec. Borhidi 2006