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 (Texas Oklahoma Louisiana Arkansas Kansas Florida)
 * Iva annua - United States, primarily south-central region; Tamaulipas
 * Iva asperifolia - south-central United States (Texas Oklahoma Louisiana Arkansas Kansas Indiana), Veracruz
 * Iva axillaris - western United States + Canada
 * Iva cheiranthifolia - Cuba
 * Iva corbinii B.L. Turner - Texas
 * Iva dealbata - United States (Texas New Mexico), Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí)
 * 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 (Alabama Florida Georgia North Carolina South Carolina)
 * Iva xanthiifolia (synonym Cyclachaena xanthiifolia) - widespread in United States + Canada, introduced elsewhere