Betulaceae | |
Corylus americana var. altior
| Farw. | Rep. Michigan Acad. Sci. 17: 168 | 1916 |
Betulaceae | |
Corylus americana fo. americana
| | | |
Betulaceae | |
Corylus americana var. americana
| | | |
Betulaceae | |
Corylus americana var. calyculata
| (Dippel) H. Winkl. | Pflanzenr. IV,61: 48 | 1904 |
Betulaceae | |
Corylus americana var. indehiscens
| E.J. Palmer & Steyerm. | Ann. Missouri Bot. Gard. 22(3): 516 | 1935 |
Betulaceae | |
Corylus americana var. missourensis
| A. DC. | Prodr. 16(2[1]): 132 | 1864 |
Betulaceae | |
Corylus americana fo. missouriensis
| (A. DC.) Fernald | Rhodora 34(401): 96 | 1932 |
Betulaceae | |
Corylus americana var. missouriensis
| A. DC. | Prodr. 16(2): 132 | 1864 |