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Montana Field Guide

Montana Field Guides

North Idaho Monkeyflower - Mimulus clivicola

Species of Concern
Native Species

Global Rank: G4
State Rank: S2?
(see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
See rank details.
  • Details on Status Ranking and Review
    North Idaho Monkeyflower (Mimulus clivicola) Conservation Status Review
    Review Date = 01/04/2013
    View State Conservation Rank Criteria
    Population Size

    Score2-3 - Very Small to Small: Population size is imprecisely known but is believed to be <10,000 individuals.

    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

    Score3 - Very Low: Generally occurring in 3 or fewer Subwatersheds (6th Code HUC’s).

    Environmental Specificity

    Score1-2 - Moderate to High.


    ScoreNA - Rank factor not assessed.

    CommentTrends are unknown as populations were only recently discovered in Montana, though significant declines probably have not occurred.


    Score0-3 - Threats levels are Unknown.

    CommentPotential threats are undocumented. However, species appears to need some level of disturbance for germination.

    Intrinsic Vulnerability

    Score1-2 - Moderate to High Vulnerability.

    Raw Conservation Status Score

    Score 9 to 15 total points scored out of a possible 16 (Rarity factors and threats only).

General Description
Annual. Stems ascending to erect, mostly simple, 3–10 cm. Herbage glandular-pubescent. Leaves sessile; blades oblong, entire, ca. 1 cm long. Flowers few; calyx 6–8 mm long, longer than the pedicel, teeth subequal, 1–2 mm long; corolla purple, 10–15 mm long, bilabiate, lobes unequal with yellow marks on the palate. Capsule 5–8 mm long, tubular (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
Eastern WA, OR, adjacent ID and Sanders County (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 14

(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)

Vernally moist soil of partially wooded slopes; montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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Citation for data on this website:
North Idaho Monkeyflower — Mimulus clivicola.  Montana Field Guide.  .  Retrieved on , from