| Rosaceae |
|
Crataegus collina
| Chapm. | Fl. South. U.S. (ed. 2) Suppl. 2: 684 | 1892 |
| Rosaceae |
|
Crataegus collina var. collicola
| (Ashe) E.J. Palmer | Brittonia 5(5): 483 | 1946 |
| Rosaceae |
|
Crataegus collina var. collina
| | | |
| Rosaceae |
|
Crataegus collina var. hirtiflora
| (Sarg.) J.B. Phipps | Novon 16(3): 385 | 2006 |
| Rosaceae |
|
Crataegus collina var. lettermanii
| (Sarg.) Eggl. | Rhodora 10(113): 76 | 1908 |
| Rosaceae |
|
Crataegus collina x margaretta
| | | |
| Rosaceae |
|
Crataegus collina x padifolia
| | | |
| Rosaceae |
|
Crataegus collina var. secta
| (Sarg.) E.J. Palmer | Ann. Missouri Bot. Gard. 22(3): 560 | 1935 |
| Rosaceae |
|
Crataegus collina var. sordida
| (Sarg.) Eggl. | Rhodora 10(113): 76 | 1908 |
| Rosaceae |
*
|
Crataegus collina var. sordida
| (Sarg.) E.J. Palmer | Ann. Missouri Bot. Gard. 22(3): 560 | 1935 |
| Rosaceae |
|
Crataegus collina var. succincta
| (Sarg.) E.J. Palmer | Ann. Missouri Bot. Gard. 22(3): 560 | 1935 |
| Rosaceae |
|
Crataegus collina var. x crataegus margaretta
| | | |
| Rosaceae |
|
Crataegus collina unranked x crataegus padifolia
| | | |