Iva (plant)
Iva is a genus of wind-pollinated plants in the family Asteraceae, described as a genus by Linnaeus in 1753. Plants of this genus are known generally as marsh elders. The genus is native to North America.
; Accepted species
- Iva angustifolia - southeastern + south-central United States
- Iva annua - United States, primarily south-central region; Tamaulipas
- Iva asperifolia - south-central United States, Veracruz
- Iva axillaris - western United States + Canada
- Iva cheiranthifolia - Cuba
- Iva corbinii B.L. Turner - Texas
- Iva dealbata - United States, Mexico
- Iva frutescens - coastal areas from Texas to Nova Scotia
- Iva hayesiana - California, Baja California
- Iva imbricata - coastal areas from Texas to Virginia; Bahamas
- Iva microcephala - southeastern United States
- Iva xanthiifolia - widespread in United States + Canada, introduced elsewhere