Iva (plant)

Iva is a genus of wind-pollinated plants in the daisy family, 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.

1. Iva angustifolia - southeastern + south-central United States (Texas Oklahoma Louisiana Arkansas Kansas Florida)
2. Iva annua - United States, primarily south-central region; Tamaulipas
3. Iva asperifolia - south-central United States (Texas Oklahoma Louisiana Arkansas Kansas Indiana), Veracruz
4. Iva axillaris - western United States + Canada
5. Iva cheiranthifolia - Cuba
6. Iva ciliata - south-central United States
7. Iva corbinii B.L. Turner - Texas
8. Iva dealbata - United States (Texas New Mexico), Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí)
9. Iva frutescens - coastal areas from Texas to Nova Scotia
10. Iva hayesiana - California, Baja California
11. Iva imbricata - coastal areas from Texas to Virginia; Bahamas
12. Iva microcephala - southeastern United States (Alabama Florida Georgia North Carolina South Carolina)
13. Iva xanthiifolia (synonym Cyclachaena xanthiifolia) - widespread in United States + Canada, introduced elsewhere