Summary ²

Fallopia japonica, synonym Reynoutria japonica, commonly known as Asian knotweed or Japanese knotweed, is a large, herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. It is native to East Asia in Japan, China and Korea. In North America and Europe, the species has successfully established in numerous habitats and is classified as an invasive species in several countries.

Sources and Credits

1. (c) Maja Dumat, some rights reserved (CC BY), http://www.flickr.com/photos/blumenbiene/6146033305/
2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Fallopia_japonica

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• 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
• NBN Atlas
• SEINet Symbiota portals
• Tropicos
• World Flora Online

iNat Map