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Montana Field Guide

Montana Field Guides

Willow Dock - Rumex salicifolius
Other Names:  Rumex triangulivalvis, Rumex utahensis

Native Species

Global Rank: G5
State Rank: SNR
C-value: 7

Agency Status


External Links

General Description
Glabrous, perennial. Stems ascending to erect, branched, 20–80 cm. Leaves mostly cauline; the blades linear-oblanceolate, 3–15 cm long, little reduced above. Inflorescence 10–20 cm long, a leafy-bracted panicle of dense, erect, spike-like branches. Flowers perfect; outer tepals ca. 2 mm long. Fruit ca. 3 mm long; inner tepals ovate with or without a narrowly ovoid callosity. Achenes brown, ca. 2 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
AK to QC south to CA, NM, TX and VA; Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 61

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Moist meadows, thickets, often along streams, ponds; montane, subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.
    • Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
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Citation for data on this website:
Willow Dock — Rumex salicifolius.  Montana Field Guide.  .  Retrieved on , from