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Montana Field Guides

Rocky Mountain Navarretia - Navarretia saximontana

Native Species

Global Rank: G4?
State Rank: S3S4
(see State Rank Reason below)
C-value: 4

Agency Status


External Links

State Rank Reason (see State Rank above)
Navarretia saximontana occurs in north-central and eastern Montana. Plants grow on mud in drying wetlands, coulees, swales, and ponds. Populations can be locally common and threats have not been identified. Current information on locations, population sizes, habitat, responses to disturbance, and threats is needed.
  • Details on Status Ranking and Review
    Rocky Mountain Navarretia (Navarretia saximontana) Conservation Status Review
    Review Date = 10/29/2019
    View State Conservation Rank Criteria
    Range Extent

    ScoreF - 20,000-200,000 sq km (~8,000-80,000 sq mi)

    Comment148,809 square kilometers

    Area of Occupancy

    ScoreD - 6-25 4-km2 grid cells

    CommentPlant occurs in 22 of the 30,590 4x4 square-kilometer grid cells that cover Montana.

    Number of Populations

    ScoreC - 21 - 80

    Comment22 occurrences

    Number of Occurrences or Percent Area with Good Viability / Ecological Integrity

    ScoreC - Few (4-12) occurrences with excellent or good viability or ecological integrity

    Comment5 occurrences are assumed to be of good viability based on comments of 'common' or 'fairly abundant'.

    Environmental Specificity

    ScoreB - Narrow. Specialist or community with key requirements common

    CommentNavarretia saximontana occurs on drying mud along wetlands and other water bodies.


    ScoreD - Low

General Description
Stems erect, 2–15 cm, simple or branched; the branches prostrate to ascending. Herbage glabrate, stems puberulent. Leaves 5–10 mm long with 5 to 7 primary lobes on the upper leaf. Flowers: calyx 6–9 mm long, the lobes villous; corolla pale blue, shorter than the calyx, tube ca. 4 mm long, lobes ca. 2 mm long; style ca. 3 mm long; stamens ca. as long as the tube. Capsule 2–3 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
ID to SK south to AZ, UT, CO; mainly east of the Rocky Mtns (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 24

(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)


  • 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?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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Citation for data on this website:
Rocky Mountain Navarretia — Navarretia saximontana.  Montana Field Guide.  .  Retrieved on , from