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Greater Water Dock (Rumex orbiculatus A. Gray)

Also classified as Rumex britannica.

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Range - Expand

Native or Not Present
Introduced or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.


A record of this plant was also reported, but not confirmed, in Louisiana, where it is not native.

Rumex orbiculatus (greater water dock) | USDA PLANTS Database (About This Site)

Rumex britannica | Biota of North America Project (BONAP) (About This Site)

Rumex orbiculatus | NatureServe Explorer (About This Site)