Taxon  Report   7221    
Rumex occidentalis  S. Watson
Western dock
Rumex occidentalis
© 2009 Neal Kramer
Photos from
CalPhotos / Calflora
Rumex occidentalis
© 2012 Vernon Smith
Rumex occidentalis
© 2009 Neal Kramer
Rumex occidentalis, a dicot, is a perennial herb that is native to California, is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Rumex occidentalis
© 2014 Patrick Furtado
Genus: Rumex
Communities: wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Name Status:
Accepted by JEF

PLANTS accepted name:
Rumex aquaticus var. fenestratus

Alternate Names:
ICPN: Rumex aquaticus var. fenestratus
More information about  Rumex occidentalis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 18, 2019).