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CCDB → Angiosperms → Compositae → Iva
| Taxon name | Status | Median (n) |
| Iva angustifolia Nutt. ex DC. | Accepted | 16 |
| Iva annua L. | Accepted | 17 |
| Iva asperifolia Less. | Accepted | 16 |
| Iva axillaris Pursh | Accepted | 18 |
| Iva ciliata Willd. | Accepted | 17 |
| Iva frutescens L. | Accepted | 17 |
| Iva imbricata Walter | Accepted | 17 |
| Iva microcephala Nutt. | Accepted | 16 |
| Iva xanthiifolia Nutt. | Accepted | 18 |
| Iva annua Michx. | Unresolved | 17 |
| Iva ambrosiifolia subsp. ambrosiifolia | Synonym of Hedosyne ambrosiifolia (A. Gray) Strother | 18 |
| Iva axillaris subsp. axillaris | Synonym of Iva axillaris Pursh | 18 |
| Iva axillaris subsp. axillaris | Synonym of Iva axillaris Pursh | 18 |
| Iva frutescens subsp. frutescens | Synonym of Iva frutescens L. | 17 |
| Cyclachaena xanthiifolia (Nutt.) Fresen. | Synonym of Iva xanthiifolia Nutt. | 18 |
| Iva xanthiifolia NUTT. | Synonym of Iva xanthiifolia Nutt. | 18 |
| Iva xanthiifolia None | Synonym of Iva xanthiifolia Nutt. | 18 |