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iNat·164190SpeciesPlantae10,333 field observations
  1. Plants
  2. ›Vascular Plants
  3. ›flowering plants
  4. ›Dicots
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  10. ›Iva
Sumpweed
Plate 1 of 5. (c) Brush F, some rights reserved (CC BY-NC), uploaded by Brush F · via iNaturalist

Sumpweed

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 (Tamaulipas) and to the central and southern United States, primarily the Great Plains and Mississippi Valley as far north as North Dakota. There are some populations in the eastern US, but these appear to represent introductions.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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In the stacks

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Every page naming Iva annua in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 164190.