| Rosaceae | |
Crataegus viridis var. atrorubens
| (Ashe) E.J. Palmer | Ann. Missouri Bot. Gard. 22(3): 561 | 1935 |
| Rosaceae | |
Crataegus viridis var. desertorum
| (Sarg.) T. Keeney & Enquist | Phytologia 69(6): 474 | 1991 |
| Rosaceae | |
Crataegus viridis var. glabriuscula
| (Sarg.) J.B. Phipps | Novon 16(3): 386 | 2006 |
| Rosaceae | |
Crataegus viridis var. lanceolata
| (Sarg.) E.J. Palmer | Ann. Missouri Bot. Gard. 22(3): 561 | 1935 |
| Rosaceae | |
Crataegus viridis var. lutensis
| (Sarg.) E.J. Palmer | Ann. Missouri Bot. Gard. 22(3): 561 | 1935 |
| Rosaceae | |
Crataegus viridis var. lutescens
| E.J. Palmer | | |
| Rosaceae | |
Crataegus viridis var. nitens
| (Sarg.) J.B. Phipps | Novon 16(3): 387 | 2006 |
| Rosaceae | |
Crataegus viridis var. nitida
| Engelm. ex Britton & A. Br. | Ill. Fl. N. U.S. 2: 242 | 1897 |
| Rosaceae | |
Crataegus viridis var. ovata
| (Sarg.) E.J. Palmer | Ann. Missouri Bot. Gard. 22(3): 561 | 1935 |
| Rosaceae | |
Crataegus viridis fo. padukensis
| E.J. Palmer & Pickens | Neighborhood Research 4: 61 | 1940 |
| Rosaceae | |
Crataegus viridis var. velutina
| (Sarg.) J.B. Phipps | J. Bot. Res. Inst. Texas 1(2): 1009 | 2007 |
| Rosaceae | |
Crataegus viridis fo. viridis
| | | |
| Rosaceae | |
Crataegus viridis var. viridis
| | | |