Taxon Report
Rumex venosus Purshwinged dock |
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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
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Scientific Name: |
Rumex venosus Pursh |
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Common Name: |
winged dock |
| Family: | Polygonaceae |
| Element Code: | PDPGN0P1K0 |
| USDA Plants Symbol: | RUVE2 |
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Synonyms/Other Names: |
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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 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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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 |
| 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% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 16 November 2025].