| 70296 | Franseria deltoidea Torr. | Ambrosia deltoidea (Torr.) W. W. Payne | 103819 | | | Franseria deltoidea Torr. | Ambrosia deltoidea (Torr.) W. W. Payne |
| 70297 | Franseria dumosa A. Gray | Ambrosia dumosa (A. Gray) W. W. Payne | 103821 | | | Franseria dumosa A. Gray | Ambrosia dumosa (A. Gray) W. W. Payne |
| 317004 | Franseria spp. | Ambrosia spp. | 317003 | | | Franseria spp. | Ambrosia spp. |
| 317212 | Franseria acanthicarpa (Hook.) Coville | Ambrosia acanthicarpa Hook. | 316547 | | | Franseria acanthicarpa (Hook.) Coville | Ambrosia acanthicarpa Hook. |
| 317213 | Franseria confertiflora (DC.) Rydb. | Ambrosia confertiflora DC. | 316549 | | | Franseria confertiflora (DC.) Rydb. | Ambrosia confertiflora DC. |
| 317214 | Franseria discolor Nutt. | Ambrosia tomentosa Nutt. | 103826 | | | Franseria discolor Nutt. | Ambrosia tomentosa Nutt. |
| 317215 | Franseria tomentosa A. Gray | Ambrosia grayi (A. Nelson) Shinners | 103823 | | | Franseria tomentosa A. Gray | Ambrosia grayi (A. Nelson) Shinners |
| 416923 | Franseria artemisioides Willd. | Ambrosia arborescens Mill. | 416922 | | | Franseria artemisioides Willd. | Ambrosia arborescens Mill. |
| 444573 | Franseria pumila Nutt. | Ambrosia pumila (Nutt.) A. Gray | 444529 | | | Franseria pumila Nutt. | Ambrosia pumila (Nutt.) A. Gray |
| 454221 | Franseria eriocentra A. Gray | Ambrosia eriocentra (A. Gray) W. W. Payne | 454220 | | | Franseria eriocentra A. Gray | Ambrosia eriocentra (A. Gray) W. W. Payne |
| 454222 | Franseria chamissonis Less. | Ambrosia chamissonis (Less.) Greene | 448071 | | | Franseria chamissonis Less. | Ambrosia chamissonis (Less.) Greene |
| 455259 | Franseria ambrosioides auct. | Ambrosia ambrosioides (Delpino) W. W. Payne | 455258 | | | Franseria ambrosioides auct. | Ambrosia ambrosioides (Delpino) W. W. Payne |
| 455262 | Franseria ambrosioides Cav. | Ambrosia arborescens Mill. | 416922 | | | Franseria ambrosioides Cav. | Ambrosia arborescens Mill. |