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 speciesIva angustifolia - southeastern + south-central United States Iva annua - United States, primarily south-central region; TamaulipasIva asperifolia - south-central United States, VeracruzIva axillaris - western United States + CanadaIva cheiranthifolia - CubaIva corbinii B.L. Turner - TexasIva dealbata - United States, Mexico Iva frutescens - coastal areas from Texas to Nova ScotiaIva hayesiana - California, Baja CaliforniaIva imbricata - coastal areas from Texas to Virginia; BahamasIva microcephala - southeastern United States Iva xanthiifolia - widespread in United States + Canada, introduced elsewhere