Potamogeton berchtoldii

Native to:: Albania | Algeria | Austria | Baltic States | Belarus | Belgium | Bulgaria | Canada | AB, BC, MB, NB, NS, NT, NU, ON, PE, QC, SK, YT | China | Corse | Czechia-Slovakia | Denmark | Finland | Føroyar | France | Germany | Great Britain | Greece | Hungary | Iceland | India | Iran | Iraq | Ireland | Italy | Japan | Korea | Krym | Kuril Is. | Labrador | Lebanon-Syria | Libya | Nansei-shoto | Netherlands | North Caucasus | Norway | NW. Balkan Pen. | Palestine | Poland | Prince Edward I. | Romania | Russia | Sardegna | Spain | Sweden | Switzerland | Tadzhikistan | Transcaucasus | Türkiye | Türkiye-in-Europe | Ukraine | United States | AK, AL, AR, AZ, CA, CO, CT, DC, FL, IA, ID, IL, IN, KY, LA, MA, MD, ME, MI, MN, MS, MT, NC, ND, NH, NJ, NV, NY, OH, OK, OR, PA, RI, SC, TN, TX, VA, VT, WA, WI, WY | Virgin Islands

Wikimedia: Tristan He