Summary ⁶

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.

Sources and Credits

1. (c) Lee Elliott, some rights reserved (CC BY-NC-SA), uploaded by Lee Elliott
2. (c) Laura Clark, some rights reserved (CC BY), uploaded by Laura Clark
3. (c) morganag, some rights reserved (CC BY-NC)
4. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
5. (c) Alan R Lusk, some rights reserved (CC BY-NC), uploaded by Alan R Lusk
6. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Iva_annua

More Info

• iNaturalist NZ taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• World Flora Online

iNaturalist NZ Map