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Feverfew - Tanacetum parthenium
Other Names:
Feather-leaved Tansy,
Chrysanthemum parthenium
Non-native Species
Global Rank:
GNR
State Rank:
SNA
Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:
1
External Links
General Description
Rhizomatous or taprooted. Stems erect, 25–80 cm. Herbage puberulent. Leaf blades 1–10 cm long, pinnately divided; segments oblanceolate, deeply serrate. Involucre 5–7 mm across; phyllaries in 2 or 3 series. Ray flowers female, white; ligules 2–8 mm long. Disk corollas ca. 2 mm long. Achenes 1–2 mm long, 5- to 10-angled
(Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Range Comments
Introduced in eastern U.S. and BC to MT south to NV, UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 10
(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
Ecology
POLLINATORS The following animal species have been reported as pollinators of this species or genera where their geographic ranges overlap:
Bombus bifarius,
Bombus rufocinctus,
Bombus ternarius,
Bombus occidentalis, and
Bombus flavidus (Thorp et al. 1983, Colla and Dumesh 2010, Koch et al. 2012).
Management
References
- Literature Cited AboveLegend:
View Online Publication
Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141: 39-68.- Koch, J., J. Strange, and P. Williams. 2012. Bumble bees of the western United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 143 p.
- Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
- 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.
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