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Montana Field Guide

Montana Field Guides

Common Burdock - Arctium minus
Other Names:  Lesser Burdock, Little Burdock

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Stems erect, branched, 30–120 cm. Leaves with hollow petioles; blades 5–20 cm long, glandular, sparsely tomentose beneath, becoming glabrate. Inflorescence racemose, heads on peduncles 5–20 mm long. Involucre 15–30 mm wide, glabrate to loosely tomentose. Disk flowers ca. 30; corolla pink to purple, 7–12 mm long. Pappus 1–4 mm long. Achenes 4–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
Widespread; from Eurasia.

Observations in Montana Natural Heritage Program Database
Number of Observations: 122

(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)

Disturbed areas.


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Citation for data on this website:
Common Burdock — Arctium minus.  Montana Field Guide.  .  Retrieved on , from