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Montana Field Guide

Montana Field Guides

Thoroughwort Brickellbush - Brickellia eupatorioides
Other Names:  Kuhnia eupatorioides

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:
C-value: 3

External Links

General Description
Stems erect, simple or branched, 20–60 cm. Herbage short-puberulent. Leaves glandular-punctate beneath, subsessile, lanceolate, entire to serrate, 2–4 cm long, linear-lanceolate, opposite below, alternate above. Heads erect; peduncles 5–20 mm long. Involucres narrowly campanulate, 6–12 mm high; phyllaries linear to lanceolate, green, puberulent. Disk flowers 15 to 35, cream to pinkish; corolla 6–9 mm long. Achenes 3–5 mm long, hairy; pappus plumose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety corymbulosa (Torr.& A.Gray) Shinners

Species Range
Montana Range


Range Comments
MT to MA south to AZ, TX, AL, FL, and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 41

(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)

Grasslands, sagebrush steppe, pine or juniper woodlands; plains (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Anderson, N.L. 1951. Field studies on the biology of range grasshoppers of southeastern Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 96 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
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Citation for data on this website:
Thoroughwort Brickellbush — Brickellia eupatorioides.  Montana Field Guide.  .  Retrieved on , from