Alkali Buttercup - Ranunculus cymbalaria
MNPS Threat Rank
Plants stoloniferous. Stems erect to decumbent, 2–25 cm with glabrous, entirely basal leaves. Leaf blades 1–4 cm long, cordate with scalloped margins. Flowers with petals 2–7 mm long, barely longer than the sepals. Achenes ribbed, glabrous, 1–2 mm long with a straight beak ca. 0.2 mm long; heads ovoid to cylindric, 5–12 mm high (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
AK to Greenland south to much of N. and S. America, Asia (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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(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 auricomus
, Bombus bifarius
, Bombus nevadensis
, and Bombus bimaculatus
(Macior 1968, Thorp et al. 1983).
- Literature Cited AboveLegend: View Online Publication
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Macior, L.M. 1968. Bombus (Hymenoptera, Apidae) queen foraging in relation to vernal pollination in Wisconsin. Ecology 49:20-25.
- 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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- Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
- Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
- Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
- King, C. R. 1953. The Ranunculaceae of Montana. M.S. Thesis, Bozeman, MT: Montana State College. 82 p.
- Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
- Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p.