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Montana Field Guide

Montana Field Guides

Fringed Loosestrife - Lysimachia ciliata

Native Species

Global Rank: G5
State Rank: SNR

Agency Status
MNPS Threat Rank:
C-value: 7

External Links

General Description
Stems prostrate, rooting at the nodes. Leaves sessile below, short-petiolate above; the blades orbicular to elliptic, 1–3 cm long, glandular-punctate. Flowers solitary at leaf nodes; pedicels 1–5 cm long; calyx 6–9 mm long; corolla rotate, 2–3 cm across, the lobes obovate, glandular-ciliolate. Capsule 4–8 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
Introduced into eastern North America, sporadic in the west; native to Europe. Collected once in Sanders County (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 32

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Relative Density



(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.
    • Tuinstra, K. E. 1967. Vegetation of the floodplains and first terraces of Rock Creek near Red Lodge, Montana. Ph.D dissertation. Montana State University, Bozeman 110 pp.
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Citation for data on this website:
Fringed Loosestrife — Lysimachia ciliata.  Montana Field Guide.  .  Retrieved on , from