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Montana Field Guide

Montana Field Guides

Common Tansy - Tanacetum vulgare
Other Names:  Golden Buttons

Noxious Weed: Priority 2B

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

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General Description
Stems erect, 40–120 cm, unbranched below the inflorescence. Herbage glabrate. Leaf blades 5–15 cm long, pinnately divided into lanceolate, serrate to sharply lobed leaflets. Involucre 5–10 mm across; phyllaries in 2 to 3 subequal series. Rays absent. Disk corollas 1–3 mm long. Achenes 1–2 mm long, cylindric, 4- to 5-angled (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced throughout U.S. and Canada (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2272

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Moist, disturbed meadows, often along streams; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Management

References
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Citation for data on this website:
Common Tansy — Tanacetum vulgare.  Montana Field Guide.  .  Retrieved on , from