Iva (plant) explained

Iva is a genus of wind-pollinated plants in the family Asteraceae, described as a genus by Linnaeus in 1753.^[1] Plants of this genus are known generally as marsh elders. The genus is native to North America.^[2]

Accepted species^[3] ^[4]

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^[5]
Iva dealbata - United States (Texas New Mexico), Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí)^[6]
Iva frutescens - coastal areas from Texas to Nova Scotia
Iva hayesiana - California, Baja California
Iva imbricata - coastal areas from Texas to Virginia; Bahamas^[7]
Iva microcephala - southeastern United States (Alabama Florida Georgia North Carolina South Carolina)
Iva xanthiifolia (synonym Cyclachaena xanthiifolia) - widespread in United States + Canada, introduced elsewhere

External links

GRIN genus Iva

Notes and References

https://www.biodiversitylibrary.org/page/359009#page/430/mode/1up Linnaeus, Carl von. 1753. Species Plantarum 2: 988-989
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=116655 Flora of North America, Vol. 21 Page 25 Marsh elder Iva Linnaeus, Sp. Pl. 2: 988. 1753; Gen. Pl. ed. 5, 426. 1754.
http://www.theplantlist.org/tpl1.1/search?q=Iva The Plant List search for Iva
http://bonap.net/NAPA/TaxonMaps/Genus/County/Iva Biota of North America Program 2013 county distribution maps
http://w3.biosci.utexas.edu/prc/pdfs/Turner12.pdf Turner, Billie Lee. 2009. Iva corbinii (Asteraceae), a remarkable new species from Travis County, Texas. Lundellia 12:5-7
http://www.tropicos.org/Name/2710572?tab=specimens Tropicos, Iva dealbata A. Gray
http://www.tropicos.org/Name/2710576?tab=specimens Tropicos, Iva imbricata