| 26802 | Parthenium argentatum A. Gray | | | a | | Parthenium argentatum A. Gray | |
| 26803 | Parthenium tomentosum DC. | | | a | | Parthenium tomentosum DC. | |
| 300425 | Parthenium hybr. | | | a | | Parthenium hybr. | |
| 315268 | Parthenium bipinnatifidum (Ortega) Rollins | | | a | | Parthenium bipinnatifidum (Ortega) Rollins | |
| 315270 | Parthenium incanum Kunth | | | a | | Parthenium incanum Kunth | |
| 315271 | Parthenium tomentosum DC. var. tomentosum | | | a | i | Parthenium tomentosum DC. var.tomentosum | |
| 315272 | Parthenium tomentosum DC. var. stramonium (Greene) Rollins | | | a | i | Parthenium tomentosum DC. var.stramonium (Greene) Rollins | |
| 315273 | Parthenium stramonium Greene | Parthenium tomentosum DC. var. stramonium (Greene) Rollins | 315272 | | | Parthenium stramonium Greene | Parthenium tomentosum DC. var.stramonium (Greene) Rollins |
| 315274 | Parthenium confertum A. Gray | | | a | | Parthenium confertum A. Gray | |
| 315275 | Parthenium fruticosum Less. | | | a | | Parthenium fruticosum Less. | |
| 315276 | Parthenium schottii Greenm. ex Millsp. & Chase | | | a | | Parthenium schottii Greenm. ex Millsp. & Chase | |
| 315278 | Parthenium hysterophorus L. | | | a | | Parthenium hysterophorus L. | |
| 400653 | Parthenium alpinum (Nutt.) Torr. & A. Gray | | | a | | Parthenium alpinum (Nutt.) Torr. & A. Gray | |
| 402660 | Parthenium integrifolium L. | | | a | | Parthenium integrifolium L. | |
| 415669 | Parthenium radfordii Mears | | | a | | Parthenium radfordii Mears | |
| 449066 | Parthenium spp. | | | a | | Parthenium spp. | |
| 449068 | Parthenium hispidum Raf. | | | a | | Parthenium hispidum Raf. | |
| 449069 | Parthenium integrifolium L. var. hispidum (Raf.) Mears | Parthenium hispidum Raf. | 449068 | | i | Parthenium integrifolium L. var.hispidum (Raf.) Mears | Parthenium hispidum Raf. |
| 489816 | Parthenium integrifolium L. var. integrifolium | Parthenium integrifolium L. | 402660 | | i | Parthenium integrifolium L. var.integrifolium | Parthenium integrifolium L. |