Potamogeton obtusifolius Mert. & W.D.J.Koch

Native to:

Alaska, Alberta, Altay, Amur, Austria, Baltic States, Belarus, Belgium, British Columbia, Buryatiya, Central European Russia, Chita, Connecticut, Czechoslovakia, Denmark, East European Russia, Finland, France, Germany, Great Britain, Hungary, Iceland, Idaho, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kazakhstan, Kirgizstan, Krasnoyarsk, Magadan, Maine, Manchuria, Manitoba, Massachusetts, Michigan, Minnesota, Mongolia, Montana, Myanmar, Netherlands, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North European Russia, Northwest European Russia, Northwest Territories, Norway, Nova Scotia, Ontario, Pennsylvania, Poland, Prince Edward I., Québec, Rhode I., Romania, Saskatchewan, South European Russia, Sweden, Switzerland, Tuva, Ukraine, Vermont, Washington, West Siberia, Wisconsin, Wyoming, Yakutskiya, Yugoslavia, Yukon

POWO follows these authorities in accepting this name:

• Bobrov, A.A. & Mochalova, O.A. (2013). Notes on aquatic vascular plants in Magadam region. Botanicheskii Zhurnal. Moscow & Leningrad 98: 1287-1299.
• Czerepanov, S.K. (1995). Vascular Plants of Russia and Adjacent States (The Former USSR): 1-516. Cambridge University Press.
• Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
• Gilman, A.V. (2015). New flora of Vermont. Memoirs of the New York Botanical Garden 110: 1-614.
• Grubov, V.I. (2001). Key to the Vascular Plants of Mongolia 1: 1-411. Science Publishers, Inc. Enfield, USA. Plymouth, U.K.
• Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 1: 1-864. Verlag Regionalkultur, Uberstadt-Weiher.
• Hellquist, C.E., Hellquist, C.B. & Whipple, J.J. (2014). New records for rare and under-collected aquatic vascular plants of Yellowstone National Park. Madroño 61: 159-176.
• Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds.) (2020). Flora of Japan IVa: 1-430. Kodansha Ltd., Tokyo.
• Kharkevich, S.S. (ed.) (1987). Plantae Vasculares Orientalis Extremi Sovietici 2: 1-448. Nauka, Leningrad.
• Krasnoborov, I.M. & Armemov, I.A. (2012). Opredelitel' Rastenii Respublika Altai: 1-640. Novosibirsk: Izd-vo SO RAN.
• Krasnoborov, I.M. (ed.) (2000). Flora of Siberia 1: 1-189. Scientific Publishers, Inc., Enfield, Plymouth.
• Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar. Contributions from the United States National Herbarium 45: 1-590.
• Les, D.H., Les, A.M. & King, U.M. (2015). Najas flexilis (Hydrocharitaceae) in Alaska: a reassessment. Rhodora. Journal of the New England Botanical Club 117: 354-370.
• 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.
• Nikitina, E.V. & Protopopov, G.F. (eds.) (1952). Flora Kirgizskoi SSR 1: 1-103. Frunze : Izd-vo KirgizFAN SSSR.
• Nikolin, E.G. (2020). Opredelitel' vysshikh rasteniy Yakutii: 1-895. Moskva : Tovarishchestvo Nauchnykh Izdaniy KMK Novosibirsk "Nauka".
• Packer, J.G. & Gould, J. (2007). Vascular Plants of alberta 1: 1-281. University of Calgary Press.
• Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
• Seregin, A.P. (2014). Flora of Vladimir Oblast, Russia: grid data analysis: 1-441. KMK schientific press, Moscow.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.

Kew Backbone Distributions

• Bobrov, A.A. & Mochalova, O.A. (2013). Notes on aquatic vascular plants in Magadam region. Botanicheskii Zhurnal. Moscow & Leningrad 98: 1287-1299.
• Flora of North America Editorial Committee (2000). Flora of North America North of Mexico 22: 1-352. Oxford University Press, New York, Oxford.
• Gilman, A.V. (2015). New flora of Vermont. Memoirs of the New York Botanical Garden 110: 1-614.
• Grubov, V.I. (2001). Key to the Vascular Plants of Mongolia 1: 1-411. Science Publishers, Inc. Enfield, USA. Plymouth, U.K.
• Hellquist, C.E., Hellquist, C.B. & Whipple, J.J. (2014). New records for rare and under-collected aquatic vascular plants of Yellowstone National Park. Madroño 61: 159-176.
• Kharkevich, S.S. (ed.) (1987). Plantae Vasculares Orientalis Extremi Sovietici 2: 1-448. Nauka, Leningrad.
• Krasnoborov, I.M. & Armemov, I.A. (2012). Opredelitel' Rastenii Respublika Altai: 1-640. Novosibirsk: Izd-vo SO RAN.
• Krasnoborov, I.M. (ed.) (2000). Flora of Siberia 1: 1-189. Scientific Publishers, Inc., Enfield, Plymouth.
• Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar. Contributions from the United States National Herbarium 45: 1-590.
• Les, D.H., Les, A.M. & King, U.M. (2015). Najas flexilis (Hydrocharitaceae) in Alaska: a reassessment. Rhodora. Journal of the New England Botanical Club 117: 354-370.
• Nikitina, E.V. & Protopopov, G.F. (eds.) (1952). Flora Kirgizskoi SSR 1: 1-103. Frunze : Izd-vo KirgizFAN SSSR.
• Packer, J.G. & Gould, J. (2007). Vascular Plants of alberta 1: 1-281. University of Calgary Press.
• Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
• Seregin, A.P. (2014). Flora of Vladimir Oblast, Russia: grid data analysis: 1-441. KMK schientific press, Moscow.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.
• Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.