Taxon Report

Rumex venosus Pursh

winged dock

Print Report

Taxon Summary

Rumex venosus, commonly known as winged dock, is a perennial herb in the Polygonaceae that is found in California and elsewhere. It occurs within Great Basin scrub, growing at elevations from 1200 to 1800 meters. Rumex venosus is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Rumex venosus Pursh
Common Name:	winged dock
Family:	Polygonaceae
Element Code:	PDPGN0P1K0
USDA Plants Symbol:	RUVE2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (Apr)May-Jun	(Apr)May-Jun
Elevation:	1200-1800 (3935-5905)
General Habitats:	Great Basin scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	16
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	3
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	12

Location


California Endemic: False
California Counties and Islands: Name (Code)
Lassen (LAS)
Quads: Name (Quad Code)
Beckwourth Pass (3912071), Calneva Lake (4012021), Constantia (3912081), Doyle (4012011), Janesville (4012035), McKesick Peak (4012012), Shaffer Mtn. (4012043), Spalding Tract (4012067), Standish (4012034), Wendel (4012032)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	8	50 %
Other	6	37%
Grazing	3	18%

Notes



Known in CA only from Honey Lake Valley.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 29 January 2025].