Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

American Water-lily - Nymphaea odorata

Aquatic Invasive Species
Exotic Species (not native to Montana)

Global Rank: G5
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Leaf blades nearly orbicular, 8–20 cm long. Flowers closing at night; sepals 17 or more, 3–7 cm long; petals white, tinged with pink, as long as sepals; stamens 35 to 120 (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
MB to NL, south to TX, FL, Mexico; introduced in BC and AB south to CA, AZ, NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 117

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)


Ecological Systems Associated with this Species
  • Commonly Associated with these Ecological Systems
    Wetland and Riparian Systems

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Anonymous. n.d. Plant list for Texas
    • Biota of North America Program. n.d. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland
    • Boyle, K., C. Eastman, and T. Mousseau. South Carolina plant atlas.
    • Cameron, Don. Botanist, Maine Natural Areas Program. #93 State Station Augusta, ME 04333-0093 (207-287-8041/ Personal communication.
    • Curtis, J. T. 1959. The vegetation of Wisconsin: An ordination of plant communities. University of Wisconsin Press, Madison. 657 pp.
    • Douglas, G.W., D. Meidinger, and J. Pojar, editors. 1999. Illustrated Flora of British Columbia. Volume 3. Dicotyledons (Diapensiaceae through Onagraceae). British Columbia Ministry of Environment, Lands and Parks, and British Columbia Ministry of Forests, Victoria.
    • Douglas, George. Botanist, British Columbia Conservation Data Centre. Personal communication.
    • Fernald, M.L. 1970. Gray's manual of botany. 8th ed. Van Nostrand Company, New York.
    • Flora of North America Editorial Committee, eds. 1997. Flora of North America North of Mexico. Volume 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford University Press, Inc., New York, NY. xxiii + 590 pp.
    • Franklin, Ben. Botanist, Utah Natural Heritage Program, Utah Division of Wildlife Resources, 1594 West North Temple, Suite 2110, Salt Lake City, Utah 84114-6301. 801-538-4700.
    • Freeman, Craig. Botanist, Kansas Natural Features Inventory. Kansas Biological Survey 2041 Constant Ave Lawrence, KS, 66047-2906 785-864-3453
    • Georgia Wildlife Federation. 1999. Common plants of Georgia
    • Haines, A. and T.F. Vining. 1998. Flora of Maine, A Manual for Identification of Native and Naturalized Vascular Plants of Maine. V.F.Thomas Co., Bar Harbor, Maine.
    • Herbarium (COLO), University of Colorado. n.d. Colorado vascular plant list
    • Labrecque, Jacques. Assistant Botanist, Quebec Service de la Conservation des Especes Menacees. Personal communication.
    • Larson, G. E. 1993. Aquatic and wetland vascular plants of the northern Great Plains. USDA Forest Service General Technical Report RM-238. Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO. 681 pp.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Looman, J. and K.F. Best. 1979. Budd's flora of the Canadian prairie provinces. Minister of Supply and Services Canada, Ottawa, Ontario.
    • Mancuso, Michael. Botanist, Idaho Conservation Data Center, 600 South Walnut Street, Box 25, Boise, Idaho 83707-0025. Phone 208-334-3402. Email: mmancuso@IDFG.STATE.ID.US. Personal communication.
    • Martin, W.C., and C.R. Hutchins. 1980-1981. A flora of New Mexico. 2 vols. J. Cramer, in der A.R. Gantner Verlag, K.G., Vaduz, Liechtenstein. 2591 pp.
    • Maryland Heritage and Biodiversity Conservation Programs. 1994. Rare, threatened and endangered plants of Maryland
    • McClain, William. Illinois Natural Heritage Database Program. Personal communication.
    • McDougall, W.B. 1973. Seed plants of northern Arizona. The Museum of Northern Arizona, Flagstaff, Arizona. 594 pp.
    • Moerman, D.E. and W.E. Stirton. n.d. Native American ethnobotanical database ( Department of Anthropology, University of Michigan-Dearborn.
    • Nichols, S.S. and R. Martin. 1990. Wisconsin lake plant database. Wisconsin Geological and Natural History Survey, Information Ciricular 69.
    • Oklahoma Natural Heritage Inventory. n.d. Rare and vulnerable plant species of Oklahoma
    • Oldham, Michael. Botanist, Ontario Natural Heritage Information Centre. Personal communication.
    • Popp, Robert. Heritage Coordinator/Botanist, Vermont Nongame and Natural Heritage. Personal communication.
    • Punter, C. Elizabeth. Special Projects Botanist, Manitoba Conservation Data Centre. Personal communication.
    • Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the vascular flora of the Carolinas. Univ. North Carolina Press, Chapel Hill, NC. 1183 pp.
    • Rousseau, Camille. 1974. Georgraphical floristics of Quebec-Labrador. Univ. of Laval Press, Quebec, Canada. 799 pp.
    • Scoggan, H.J. 1978. The flora of Canada. National Museum of Natural Sciences. Publications in Botany, No. 7(1).
    • Smith, Tim. Botanist, Missouri Department of Conservation. Missouri Department of Conservation 2901 West Truman Blvd Jefferson City, MO, 65102-0180 573-751-4115
    • Texas Parks and Wildlife. 1999. Texas threatened and endangered plants
    • USDA Soil Conservation Service. 1997. Western wetland flora: field office guide to plant species West National Technical Center, Portland, Oregon, and Northern Prairie Wildlife Research Center, Jamestown, North Dakota.
    • Virginia Natural Heritage Program. 1999. Virginia's rare plants and animals
    • Washington Natural Heritage Program. 1997. Rare plant species with ranks
    • Welsh, S.L, N.D. Atwood, S. Goodrich, and L.C. Higgins. 1993. A Utah Flora, second edition, revised. Brigham Young University, Provo, UT.
    • Westad, Kristin. Wisconsin Natural Heritage Inventory. Personal communication.
    • Wunderlin, R.P., B.F. Hansen, and E.L. Bridges. 1995. Atlas of Florida vascular plants.
    • Young, Steve. Botanist, New York Natural Heritage Program. Personal communication.
  • Web Search Engines for Articles on "American Water-lily"
  • Additional Sources of Information Related to "Dicots"
Login Logout
Citation for data on this website:
American Water-lily — Nymphaea odorata.  Montana Field Guide.  .  Retrieved on , from