en.wikipedia.org/wiki/Iva_annua

Iva annua, the annual marsh elder or sumpweed, is a North American herbaceous annual plant in the sunflower family. It is native to northeastern Mexico ...

en.wikipedia.org/wiki/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.

plants.usda.gov/factsheet/pdf/fs_ivfr.pdf

Feb 5, 2002 ... Uses. The marsh elder is normally associated with the mid to high marsh ecosystem, forming the last line of defense for shoreline erosion ...

www.wildflower.org/plants/result.php?id_plant=ivan2

Mar 22, 2018 ... Benefit. Use Food: Cultivated for its seed by indigenous peoples of eastern North America before the arrival of maize. Attracts: Birds ...

www.pollenlibrary.com/Genus/Iva

Allergic to Marsh-Elder (Iva)? Research Marsh-Elder (Iva) genus details, photos and seasonal allergies.

archaeology.uiowa.edu/marshelder-or-sumpweed

Marshelder also called sumpweed, is a member of the aster family. The domesticated var. macrocarpa is extinct, but the wild variety of the plant still thrives.

www.merriam-webster.com/dictionary/burweed%20marsh%20elder

Burweed marsh elder definition is - a tall annual marsh elder (Iva xanthifolia) that is common in moist rich soil in central North America, causes contact dermatitis ...

www.inaturalist.org/taxa/131165-Iva-frutescens

Iva frutescens is a species of flowering plant in the aster family known by the common names Jesuit's bark, bigleaf marsh-elder, and high-tide bush. It grows in  ...

www.merriam-webster.com/dictionary/marsh%20elder

Marsh elder definition is - any of a genus (Iva) of coarse shrubby composite plants of moist areas in eastern and central North America.