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Montana Animal Field Guide

Montana Field Guides

Hare's-foot Locoweed - Oxytropis lagopus var. conjugans

Potential Species of Concern

Global Rank: G4G5T3T4
State Rank: S3S4
* (see State Rank Reason below)

Agency Status
MNPS Threat Rank: 3

External Links

State Rank Reason (see State Rank above)
See rank details.
  • Details on Status Ranking and Review
    Hare's-foot Locoweed (Oxytropis lagopus var. conjugans) Conservation Status Review
    Review Date = 11/01/2012
    Population Size

    Score1 - Moderate: Generally 10,000-100,000 individuals.

    CommentEstimated as population levels from specimen collections are largely unknown.

    Range Extent

    Score2 - Regional or State Endemic or Small Montana Range: Generally restricted to an area <100,000 sq. miles (equivalent to 2/3 the size of Montana or less) or Montana contributes 50% or more of the species’ range or populations OR limited to 2-3 Sub-basins in Montana.


    Area of Occupancy

    Score1 - Moderate: Generally occurring in 11-25 Subwatersheds (6th Code HUC’s).



    Score0-1 - Stable to Minor Declines:

    CommentTrends unknown, though populations are likely stable or experiencing only minor declines.


    Score0-1 - Low to Medium.


    Intrinsic Vulnerability

    Score0-1 - Low to Moderate Vulnerability.


    Environmental Specificity

    Score1 - Moderate: Species is restricted to a specific habitat that is more widely distributed or to several restricted habitats and is typically dependent upon relatively unaltered, good-quality habitat (C Values of 5-7).


    Raw Conservation Status Score

    Score 5 to 8 total points scored out of a possible 19.

General Description
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Flowering May to June, fruiting in July.

Species Occurrences
Number of Species Occurrences: 1
*Not all Species Occurrences are mapped


Range Comments
Known from Lewis & Clark, Powell, Granite, and Teton Counties, central Montana; also found in Alberta, Canada.

Summary of Observations Submitted for Montana
Number of Observations: 1

(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)

Sagebrush plains to lower mountains.

  • Additional ReferencesLegend:   View Online Publication
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    • Heidel, B.L. and S.V. Cooper. 1998. Botanical survey of the Scratchgravel Hills, Lewis and Clark County, Montana. Unpublished report to the Bureau of Land Management. Montana Natural Heritage Program, Helena, Montana. 44 pp. + appendices.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Smith, B. 1993. Status Report On Hare-Footed Locoweed (Oxytropis lagopus nutt.) in Canada. (Unpublished Report). 27 pp. Committee on the Status of Endangered Wildlife in Canada (COSEWIC).
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Citation for data on this website:
Hare's-foot Locoweed — Oxytropis lagopus var. conjugans.  Montana Field Guide.  Montana Natural Heritage Program.  Retrieved on October 23, 2016, from