Rumex sp.
Dock, Dock
Photo by Chez Brungraber
Family: Polygonaceae · Type: Perennial · Variable; species dependent
Rumex sp. (Dock) is a non-native California perennial in the Polygonaceae family.
How to tell it apart
vs Anemopsis: Rumex has dense flower clusters; Anemopsis has a single white cone-like flower head.; vs Amaranthus: Rumex has papery three-winged fruits; Amaranthus has small round seeds with papery covers.; vs Plantago: Rumex has branching flower clusters; Plantago has flowers in dense cylindrical spikes.; vs Eriogonum: Rumex has large broad leaves; Eriogonum typically has small basal leaf rosettes or mats.; vs Limonium: Rumex has green to reddish flower clusters; Limonium has papery purple or pink flowers.
Frequently asked questions
Is Rumex sp. native to California?
No. Rumex sp. is not native to California (recorded as variable; species dependent).
What plant family does Rumex sp. belong to?
Rumex sp. is in the Polygonaceae family, genus Rumex.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.