Sparganium emersum Rehmann

Native to:

Alaska, Albania, Alberta, Altay, Amur, Arizona, Assam, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, California, Central European Russia, China North-Central, Chita, Colorado, Connecticut, Czechia-Slovakia, Denmark, East European Russia, East Himalaya, Finland, France, Germany, Great Britain, Hungary, Idaho, Illinois, Indiana, Inner Mongolia, Iowa, Iran, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kazakhstan, Khabarovsk, Kirgizstan, Krasnoyarsk, Labrador, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mongolia, Montana, Myanmar, Nebraska, Netherlands, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, North Caucasus, North Dakota, North European Russia, Northwest European Russia, Norway, Nova Scotia, Nunavut, NW. Balkan Pen., Ohio, Ontario, Oregon, Pennsylvania, Poland, Portugal, Primorye, Prince Edward I., Québec, Romania, Sakhalin, Sardegna, Saskatchewan, Sicilia, South Dakota, South European Russia, Spain, Sweden, Switzerland, Transcaucasus, Tuva, Türkiye, Ukraine, Utah, Vermont, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Yakutiya, Yukon

POWO follows these authorities in accepting this name:

• Castroviejo, S. & al. (eds.) (2008). Flora Iberica 18: 1-420. Real Jardín Botánico, CSIC, Madrid.
• Charkevicz, S.S. (ed.) (1996). Plantae Vasculares Orientalis Extremi Sovietici 8: 1-382. Nauka, Leningrad.
• Dar, G.H. & Govaerts, R.H.A. (2025). Flora of Kashmir Himalaya: Sind Valley 1: 1-606. Bishen Singh Mahendra Pal Singh, Dehradun, India.
• Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.
• Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 1: 1-864. Verlag Regionalkultur, Uberstadt-Weiher.
• Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds.) (2020). Flora of Japan IVa: 1-430. Kodansha Ltd., Tokyo.
• Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
• Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains. Journal of the Botanical Research Institute of Texas 8: 271-303.
• Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
• Naqinezhad, A. & Bidarlord, M. (2015). The genus Sparganium (Typhaceae) in Iran; two new additions for the Flora Iranica area. Iranian Journal of Botany 21: 30-34.
• Nikolin, E.G. (2020). Opredelitel' vysshikh rasteniy Yakutii: 1-895. Moskva : Tovarishchestvo Nauchnykh Izdaniy KMK Novosibirsk "Nauka".
• Sharief, M.U. (ed.) (2024). Flora of India 28: 1-764. Botanical Survey of India.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Stalažs, A. (2024). List of vascular plants of Latvia (with Latvian names): 1-312. Dobele.
• Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.
• Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.
• Zhao, Y.Z., Zhao, L.Q. & Rui, C. (eds.) (2019). Flora Intramongolica, edition 3, 6: 1-619. Typis Intramongolicae popularis, Huhhot.

An alternative taxonomy had been proposed by the following authorities:

• Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151. [Cited as Sparganium acaule.]

Kew Backbone Distributions

• Dar, G.H. & Govaerts, R.H.A. (2025). Flora of Kashmir Himalaya: Sind Valley 1: 1-606. Bishen Singh Mahendra Pal Singh, Dehradun, India.
• Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains. Journal of the Botanical Research Institute of Texas 8: 271-303.
• Sharief, M.U. (ed.) (2024). Flora of India 28: 1-764. Botanical Survey of India.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.