Rhamnus mucronata Schltdl. in Linnaea 15: 465. 1841 sec. Fernández-Nava 2011
- =Rhamnus obliqua Rose in Contr. U. S. Natl. Herb. 8: 51. 1903 syn. sec. ???
- =Frangula nelsonii (Rose) Grubov in Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 8: 278. 1949 syn. sec. ???
- =Frangula obliqua (Rose) Grubov in Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 8: 278. 1949 syn. sec. ???