Calycanthaceae | |
Calycanthus fertilis var. ferax
| (Michx.) Rehder | J. Arnold Arbor. 1(2): 143 | 1919 |
Calycanthaceae | |
Calycanthus fertilis fo. fertilis
| | | |
Calycanthaceae | |
Calycanthus fertilis var. glaucus
| (Willd.) Rehder | Stand. Cycl. Hort. 2: 638 | 1914 |
Calycanthaceae | |
Calycanthus fertilis fo. nanus
| Schelle | | |
Calycanthaceae | |
Calycanthus fertilis var. oblongifolius
| (Nutt.) Rehder | | |