Coastmary - Tanacetum balsamita
Balsamita major, Chrysanthemum balsamita
Stems erect, 50–150 cm. Herbage strigose to canescent. Leaf blades simple, ovate, 3–10 cm long, reduced upward. Involucre 5–8 mm across; phyllaries in 3 or 4 series, dilated at the tip. Rays absent. Disk corollas ca. 2 mm long. Achenes 1–2 mm long, 4- to 5-angled (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Introduced in northern U.S. and adjacent Canada (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
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).
- 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
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.