Thinsepal monkeyflower - Mimulus hymenophyllus
State Rank Reason (see State Rank above)
See rank details. Surveys of the previous collection sites are needed to document the species' status. Without additional data, a rank of "SH" will be applicable.
- Details on Status Ranking and Review
Score3 - Vey Small: Generally <2,000 individuals.
Score2-3 - Local or Regional Endemic: Species has a small to very small range, though its distribution is either imprecisely documented or information to precisely categorize it was lacking at the time its status was reviewed.
Area of Occupancy
Score3 - Very Low: Generally occurring in 3 or fewer Subwatersheds (6th Code HUC’s).
Score1-2 - Moderate to High.
Score0-3 - Population trends are unknown.
Score0-3 - Threats levels are Unknown.
Score1-2 - Moderate to High Vulnerability.
Stems ascending, usually simple or branched at the base, 2–10 cm. Herbage sparsely glandular-pubescent. Leaves long-petiolate; the blade ovate, obscurely dentate, 5–12 mm long. Flowers: calyx 3–5 mm long, teeth equal, ca. 1 mm long; pedicel 3 to 4 times as long as calyx; corolla yellow, 7–20 mm long, nearly regular. Capsule 3–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Northeast OR, central ID, and western MT.
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.