Rumex pseudonatronatus

Field Dock, a reference photo
Photo: Ragnhild&Neil Crawford from Sweden · CC BY-SA 2.0 (licence)

Rumex pseudonatronatus, common name field dock or Finnish dock, is a plant species native to northern Europe and northern Asia, known from Asiatic and European Russia, China, Mongolia, Kazakhstan, Kyrgyzstan, Finland, Norway, Sweden, Belgium, Netherlands, Estonia, Latvia, Lithuania, Poland, Belarus, etc. It is naturalized in much of Canada and to the north-central United States. It is known from every Canadian province from Québec to British Columbia, plus Yukon, North Dakota, South Dakota and Minnesota. It grows in wet and/or disturbed sites along stream banks, lake shores, roadsides, ditches, cultivated fields, meadows, etc.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Field Dock being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Genus
Rumex
Species
Rumex pseudonatronatus

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