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Montana Field Guide

Montana Field Guides

Scentless Chamomile - Tripleurospermum inodorum
Other Names:  Scentless Camomile, Scentless False Mayweed, Tripleurospermum perforata, Matricaria maritima var. inodora, Tripleurospermum maritimum ssp. inodorum

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Stems ascending to erect, hollow, 15–40 cm. Herbage inodorous. Leaves 2–8 cm long, twice pinnately divided into filiform segments. Heads radiate; involucre 5–10 mm high; phyllaries linear-lanceolate; receptacle hemispheric. Ray flowers 10 to 25, white; ligules 6–12 mm long. Disk corollas 2–3 mm long. Pappus a low crown (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced to most of North America; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 98

(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)



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Citation for data on this website:
Scentless Chamomile — Tripleurospermum inodorum.  Montana Field Guide.  .  Retrieved on , from