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Montana Field Guide

Montana Field Guides

White Sweetclover - Melilotus albus

Non-native Species

Global Rank: G5
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Stems erect, 50–100 cm. Leaflets 1–3 cm long. Flowers white, 3–4 mm long; calyx ca. 2 mm long with linear lobes. Legume 3–4 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
A European species now widespread in North America.

Observations in Montana Natural Heritage Program Database
Number of Observations: 66

(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)


  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Lesica, P.L. and T.H. DeLuca. 2000. Sweetclover: A potential problem for the Northern Great Plains. Journal of Soil and Water Conservation; Ankeny 55(3): 259-261.
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Citation for data on this website:
White Sweetclover — Melilotus albus.  Montana Field Guide.  .  Retrieved on , from