Name: Sumpf-Teichfaden (DE); Horned Pondweed (EN); Cornuda de agua basta (ES)
Distribution: Albania; Austria; Belgium; Luxemburg; Baleares; England; Channel Isl.; Bulgaria; Corsica; Crete; Czech Republic; Slovakia; Denmark; Finland; France; Germany (Berlin, Baden-Württemberg, Bayern, Hessen, Hamburg, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Schleswig-Holstein, Saarland, Sachsen, Sachsen-Anhalt); Greece; Ireland; Switzerland; Liechtenstein; Netherlands; Spain; Hungary; Iceland; Italy; +San Marino; Bosnia & Hercegovina; Montenegro; Serbia & Kosovo; Macedonia; Slovenia; Croatia; Portugal; Malta; Norway; Poland; Romania; Sardinia; Sicily; Sweden; European Turkey; Crimea; Estonia; Latvia; Lithuania; European Russia (W-European Russia, C-European Russia, E-European Russia, N-European Russia); Ukraine; Belarus; Siberia (Altai, Buryatia, Irkutsk, Krasnoyarsk, Tuva, W-Siberia); Russian Far East (Kamchatka, Khabarovsk, Kuril Isl., Primorye, Sakhalin); Japan (Honshu, Kyushu); Ryukyu Isl.; China (widespread); Taiwan; Kazakhstan; Kyrgyzstan; Turkmenistan; Tajikistan; Uzbekistan; Armenia; Azerbaijan; Georgia [Caucasus]; Northern Caucasus; Mongolia; North Korea; Algeria; Libya; Morocco; Tunisia; Canary Isl. (Fuerteventura, Gran Canaria, Tenerife, La Gomera); ?Sudan; N-Chad; Tanzania; Namibia; Botswana; South Africa (Limpopo, North-West Prov., Gauteng, Free State, N-Cape Prov., W-Cape Prov., E-Cape Prov.); Madagascar; Rodrigues; Turkey (E-Anatolia, Inner Anatolia, N-Anatolia, NE-Anatolia, NW-Anatolia: Bithynia, S-Anatolia, SSW-Anatolia, W-Anatolia, WN-Anatolia); Cyprus (C-Mountains, E-Cyprus, N-Cyprus, W-Cyprus); East Aegaean Isl. (incl. Rhodos); Egypt (Desert Oases, Eastern Desert, NE-Egypt, Nile Delta, Nile Valley, NW-coastal Egypt, SE-Egypt); Iran (EC-Iran, E-Iran, S-Iran, W-Iran); Iran (Iranian Aserbaijan); Iraq (NE-Iraq, NW-Iraq, SE-Iraq: Mesopotamia); Israel (coastal W-Israel, Rift Valley, N-Negev Desert); Jordania (S-Jordania); Qatar; Lebanon (Antilebanon, C-Lebanon, coastal W-Lebanon); Syria (C-Syrian Desert, Jazira, Jbel Druze); Afghanistan (Badghys, Bamyan, Farah, Faryab, Ghazni, Ghorat, Kabul, Wardak); India (Assam); Bangladesh; Myanmar; Nepal; Pakistan (Sind, Baluchistan, Pakistani Punjab, Skardu); Australia (SE-South Australia, E-New South Wales); New Zealand; Peru; Argentina (Buenos Aires, Chaco, Chubut, Cordoba, Jujuy, La Pampa, Mendoza, Rio Negro, Salta, Santa Cruz, Santiago del Estero, Santa Fe, San Juan, Tierra del Fuego); Chile [I] (Antofagasta [I], Atacama [I], Coquimbo [I], Valparaíso [I], Metropolitana de Santiago [I], O´Higgins [I], Maule [I], Magallanes [I]); Uruguay (Rocha); Bolivia (Cochabamba, La Paz, Oruro, Potosí, Tarija); Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Chihuahua, Coahuila, Ciudad de Mexico, Durango, Guanajuato, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nuevo León, Oaxaca, Puebla, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Veracruz, Zacatecas); Alaska; USA (Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington State, Wisconsin, West Virginia, Wyoming); Canada (Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Northern Territories, Ontario, Prince Edward Isl., Québec, Saskatchewan)
10 DEN FIN GRB ICE IRE NOR SWE 11 AUT BGM CZE GER HUN LIE NET POL SLO SWI 12 BAL CIS COR FRA POR SAR SPA 13 ALB BIH BUL CRO GRC ITA KRI MLT MNT NMA ROM SIC SLV SMA SRB TUE 14 BLR EST KRY LAT LIT RUS UKR 20 ALG EGY LBY MOR TUN 21 CNY 24 CHA 25 TAN 27 BOT NAM SAF 29 MDG ROD 30 SIB 31 RFE 32 KAZ KGZ TKM TZK UZB 33 ARM AZE GEO NCS 34 AFG CYP EAI IRN IRQ ISR JOR LEB SYR TUR 35 QAT 36 CHI 37 MON 38 JAP NKO NNS TAI 40 BAN IND NEP PAK 41 MYA 50 AUS 51 NZL 70 ASK CDN 71 CDN 72 CDN 73 USA 74 USA 75 USA 76 USA 77 USA 78 USA 79 MEX 83 BOL PER 85 ARG cle URU
Remarks: the various subspecies might be valid species. Distribution data and synonymy for subspecies incomplete.
Synonyms: hidden
= Pelta palustris (L.) Dulac; Fl. Hautes-Pyr. 43 (1867)
= Zannichellia aculeata Schur; Österr. Bot. Zeitschr. 20: 203 (1870)
= Zannichellia brachystemon J.Gay ex Reut.; Cat. Gr. Jard. Genev. (1854) 4
= Zannichellia clausii Tzvelev; Novosti Sist. Vyssh. Rast., 15: 12 (1979)
= Zannichellia cothenetii P.Fourn.; Fl. Compl. Plaine Franç.: 529 (1928)
= Zannichellia cyclostigma Clavaud; Act. Soc. L. Bord. 42: (1888) p. lxvii, et in Bull. Herb. Boiss. 1: App. I. 20 (1893)
= Zannichellia dentata Willd.; Sp. Pl. 4: 181 (1805)
= Zannichellia echinata Lojac.; Fl. Sicul. 3: 190 (1909)
= Zannichellia geniculata Gilib.; Exercit. 2: 419 (1792)
= Zannichellia graminifolia Gilib.; Exerc. Bot. in Schola Princip. Univ. Viln. 31 (1772)
= Zannichellia indica Morong; Bull. Torr. Bot. Club 13: 159 (1886)
= Zannichellia intermedia Nielsen; Bot. Tidsskr. Ser. II. 1: 205 (1872)
= Zannichellia intermedia Torr.; Beck, Bot. N. & M. St. 385 (1833)
= Zannichellia komarovii Tzvelev; Novosti Sist. Vyssh. Rast., 15: 10 (1979)
= Zannichellia laevis C.Presl; Abh. Königl. Böhm. Ges. Wiss., IV, 3: 542 (1845)
= Zannichellia lingulata Clavaud; Act. Soc. L. Bord. 42: (1888) p. lxviii, et in Bull. Herb. Boiss. i. App. I. 20 (1893)
= Zannichellia maritima E.H.L.Krause; Sturm. Fl. Deutschland, ed. 2. 4: 92 (1905)
= Zannichellia palustris f. repens (Boenn.) Asch.; 668 (1864)
= Zannichellia palustris subsp. aculeata (Schur) K.Richt.; Pl. Eur. 1: 17 (1890)
= Zannichellia palustris subsp. cyclostigma (Clavaud) Corb.; Nouv. Fl. Normandie 545 (1894)
= Zannichellia palustris subsp. macrostemon (J.Gay ex Willk. & Lange) Douin; Fl. Ill. France 11: 47 (1931)
= Zannichellia palustris subsp. polycarpa (Nolte) K.Richt.; Pl. Eur. 1: 17 (1890)
= Zannichellia palustris subsp. repens (Boenn.) Schübl. & G.Martens; Fl. Würtemberg 579 (1834)
= Zannichellia palustris subsp. repens (Boenn.) Uotila; Fl. Turkey & E. Aegaean Isl., 8: 31 (1984), isonym
= Zannichellia palustris subsp. rosenii (Wallm.) K.Richt.; Pl. Eur. 1: 17 (1890)
= Zannichellia palustris subsp. tenuis (Reut.) K.Richt.; 17 (1890)
= Zannichellia palustris subsp. tenuis (Reut.) Nyman; Consp. Fl. Eur.: 684 (1882)
= Zannichellia palustris ¿subvar. gracilis Hagstr.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1903: 183 (1903)
= Zannichellia palustris var. aculeata (Schur) Asch. & Graebn.; Syn. Mitteleur. Fl. 1: 364 (1897)
= Zannichellia palustris var. dentata (Willd.) P.Fourn.; Quatre Fl. France 134 (1935)
= Zannichellia palustris var. ferganica Drobow; Trudy Bot. Muz. Imp. Akad. Nauk 16: 133 (1917)
= Zannichellia palustris var. indica (Cham. ex Morong) Graebn.; Engl., Pflanzenr., IV, 11: 157 (1907)
= Zannichellia palustris var. japonica Makino; Bot. Mag. (Tokyo) 24: 55 (1910)
= Zannichellia palustris var. minor Schur; Österr. Bot. Z. 20: 203 (1870)
= Zannichellia palustris var. muricata Morong; Bot. Gaz. 10: 255 (1885)
= Zannichellia palustris var. radicans Wallman; Bot. Not. 1840: 44 (1840)
= Zannichellia palustris var. repens (Boenn.) W.D.J.Koch; Syn. Fl. Germ. Helv.: 679 (1837)
= Zannichellia palustris var. rosenii (Wallman) K.Richt.; Pl. Eur. 1: 17 (1890)
= Zannichellia prodanii Serb.; Stud. Cerc. Biol., Biol. Veg., 32(1): 27 (1980)
= Zannichellia pumila Le Gall; Fl. Morbihan: 568 (1852)
= Zannichellia qinghaiensis Y.D.Chen; Acta Hydrobiol. Sin., 11(3): 235 (1987)
= Zannichellia radicans Wallman; Liter. Bot. Ges. Regensb. 11: 20 (1841)
= Zannichellia repens Boenn.; Prod. Fl. Monast. 272 (1824)
= Zannichellia repens var. aerea Clavaud; Actes Soc. Linn. Bordeaux 42: lxvii (1888)
= Zannichellia repens var. viridis Clavaud; Actes Soc. Linn. Bordeaux 42: lxvii (1888)
= Zannichellia rosenii Wallman; Liter. Bot. Ges. Regensb. 11: 18 (1841)
= Zannichellia subulata Lojac.; Fl. Sicul. 3: 190 (1909)
= Zannichellia tenuis Reut.; Cat. Gr. Jard. Genev. (1854) 4, et in Compt. Rend. Soc. Haller. 1854 129 (1856)