| Asteraceae |
|
Ambrosia trifida
| L. | Sp. Pl. 2: 987 | 1753 |
| Asteraceae |
|
Ambrosia trifida fo. integrifolia
| (Muhl. ex Willd.) Fernald | Rhodora 40(477): 347-348 | 1938 |
| Asteraceae |
|
Ambrosia trifida var. integrifolia
| (Muhl. ex Willd.) Torr. & A. Gray | Fl. N. Amer. 2(2): 290 | 1842 |
| Asteraceae |
|
Ambrosia trifida var. texana
| Scheele | Linnaea 22(2): 156 | 1849 |
| Asteraceae |
|
Ambrosia trifida fo. trifida
| | | |
| Asteraceae |
|
Ambrosia trifida var. trifida
| | | |