Bilberry - Vaccinium myrtillus
Low shrubs to ca. 30 cm. Stems stout, divergently branched; those 2–3 yr old green, sharply angled. Leaves to ca. 25 mm long; blades ovate. Corolla as wide or wider than long, to ca. 5 mm, greenish-white, tinged with pink. Berry dark purple to dark red, to ca. 7 mm broad (Stickney in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
BC, AB south to OR, NV, AZ, NM; Europe (Stickney in 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 vagans
, Bombus appositus
, Bombus centralis
, Bombus fervidus
, Bombus flavifrons
, Bombus frigidus
, Bombus melanopygus
, Bombus mixtus
, Bombus nevadensis
, Bombus rufocinctus
, Bombus ternarius
, Bombus sitkensis
, Bombus occidentalis
, Bombus pensylvanicus
, Bombus bimaculatus
, Bombus griseocollis
, Bombus impatiens
, Bombus insularis
, Bombus bohemicus
, and Bombus flavidus
(Heinrich 1976, Thorp et al. 1983, MacKenzie and Averill 1995, Stubbs and Drummond 2001, Ratti et al. 2008, Colla and Dumesh 2010, Colla and Ratti 2010, Colla et al. 2011, Williams et al. 2014).
- Literature Cited AboveLegend: View Online Publication
- Colla, S., L. Richardson, and P. Williams. 2011. Bumble bees of the eastern United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 103 p.
- Colla, S.R. and C.M. Ratti. 2010. Evidence for the decline of the western bumble bee (Bombus occidentalis Greene) in British Columbia. Pan-Pacific Entomologist 86(2): 32-34.
- 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.
- MacKenzie, K.E. and A. L. Averill. 1995. Bee (Hymenoptera: Apoidea) diversity and abundance on cranberry in southeastern Massachusetts. Annals of the Entomological Society of America 88(3): 334-341.
- Ratti, C.M., H.A. Higo, T.L. Griswold, and M.L. Winston. 2008. Bumble bees influence berry size in comercial Vaccinium spp. cultivation in British Columbia. Canadian Entomologist 140(3): 348-363.
- Stubbs, C.S. and F.A. Drummond. 2001. Bombus impatiens (Hymenoptera: Apidae): an alternative to Apis mellifera (Hymenoptera: Apidae) for lowbush blueberry pollination. Journal of Economic Entomology 94:609-616.
- 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.