Rumex conglomeratus

green dock
Introduced
Perennial.Flowers: May-August

Photos

(c) Сергей (CC BY-NC)
(c) Еlena (CC BY-NC)
(c) Norbert Sauberer (CC BY-NC)
(c) Chuck Cantley (CC BY-NC)
(c) andyjones1 (CC BY-NC)