Arctic Harebell - Campanula uniflora
State Rank Reason (see State Rank above)
Only 11 collections at MONTU as of 2008
Taprooted-rooted with a branched caudex. Stems ascending, simple, 2–15 cm. Herbage glabrous. Basal leaves petiolate; blades narrowly oblong, entire, 1–2 cm long. Stem leaves becoming linear-oblanceolate. Inflorescence a solitary, terminal flower. Flowers erect; hypanthium sparsely villous; sepals lanceolate, 2–7 mm long, erect; corolla campanulate, 5–11 mm long; style included; stigmas 3. Capsule erect, ca. 15 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
Circumpolar south to CO (Lesica et al. 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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Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus rufocinctus
, Bombus pensylvanicus
, Bombus bimaculatus
, Bombus griseocollis
, and Bombus impatiens
(Thorp et al. 1983, Colla and Dumesh 2010, Williams et al. 2014).
- 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.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 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.
- Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
- Additional ReferencesLegend: View Online Publication
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- Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.
- Williams, K.L. 2012. Classification of the grasslands, shrublands, woodlands, forests and alpine vegetation associations of the Custer National Forest portion of the Beartooth Mountains in southcentral Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 376 p.