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Montana Field Guide

Montana Field Guides

Smooth Rose - Rosa blanda

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Not Documented

Global Rank: G5
State Rank: SNA
(see State Rank Reason below)

Agency Status


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State Rank Reason (see State Rank above)
Rosa blanda is not documented in Montana (MTNHP Status Review in 2016). It was included in the Flora of Montana (Rydberg 1900) based on a specimen collected by R.S. Williams (965) from "Columbia Falls"; however, the specimen has not been found. Since that time none of the major floras that cover Montana have included this plant (Booth 1966; McGregor et al. [eds.] 1977; Dorn 1984; McGregor et al. [eds.] 1986; and Lesica et al. 2012). Rosa blanda occurs in Saskatchewan, the Dakotas, and eastward (Lewis et al. in Flora of North America 2014). A conservation status rank is not applicable (SNA) because this plant is not known to occur in Montana.
General Description
Please refer to the State Rank Reason for its status and the following botanical literature for species identification:

Flora of North America
Published Floras
On-line e-Floras

Flora of the Great Plains (McGregor et al. 1986).

Potential specimens should be provided to and verified at one of our State Herbaria:
University of Montana (MONTU), Montana State University (MONT), or Montana State University-Billings (MSUB).

  • Literature Cited AboveLegend:   View Online Publication
    • Flora of North America Editorial Committee, eds. (FNA). 2014. Flora of North America North of Mexico. Vol. 9. Magnoliophyta: Picramniaceae to Rosaceae. New York, NY: Oxford University Press, Inc. 752 pp.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • McGregor, R.L. (coordinator), T.M. Barkley, R.E. Brooks, and E.K. Schofield (eds). 1986. Flora of the Great Plains: Great Plains Flora Association. Lawrence, KS: Univ. Press Kansas. 1392 pp.
    • Rydberg, P. A. 1900. Catalogue of the Flora of Montana and the Yellowstone National Park. Memoirs of the New York Botanical Garden, Volume 1, pp 1-492. Issued February 15th. New York.
  • Additional ReferencesLegend:   View Online Publication
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    • Booth, W. E. and J. C. Wright. 1966. Flora of Montana-Part II: dicotyledons. Montana State University, Bozeman, MT. 305 pp.
    • Dorn, R. D. 1984. Vascular Plants of Montana. Cheyenne, WY: Mountain West Publishing. 276 pp.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
    • McGregor, R. L., et al. 1977. Atlas of the flora of the Great Plains. Great Plains Flora Associations, Iowa State University Press, Ames, Iowa. 600 pp.
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Citation for data on this website:
Smooth Rose — Rosa blanda.  Montana Field Guide.  .  Retrieved on , from