Name: Sumpf-Teichfaden (DE); Horned Pondweed (EN); Cornuda de agua basta (ES)
Distribution: Iceland; England (England, Wales, +Isle of Man, Scotland, Outer Hebrides, Orkney Isl., Shetland Isl., Isles of Scilly); Ireland (Ireland, Northern Ireland); Denmark; Norway; Sweden; Finland; Netherlands; Belgium; Luxembourg; Germany (Berlin, Baden-Württemberg, Bayern, Hessen, Hamburg, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Schleswig-Holstein, Saarland, Sachsen, Sachsen-Anhalt); Switzerland; Liechtenstein; Austria; Poland; Czech Republic; Slovakia; Hungary; Portugal; Spain; Baleares; France; Channel Isl. (Alderney, Jersey); Corsica; Sardinia; Italy; Sicily; Malta; +San Marino; Slovenia; Croatia; Bosnia & Hercegovina; Montenegro; Serbia; Kosovo; North Macedonia; Albania; Romania; Bulgaria; European Turkey; Greece (scattered to rare, incl. some islands); Crete; Estonia; Latvia; Lithuania; Belarus; European Russia (W-European Russia, C-European Russia, E-European Russia, N-European Russia); Ukraine; Crimea; Morocco; Algeria; Tunisia; Libya; Egypt (Desert Oases, Eastern Desert, NE-Egypt, Nile Delta, Nile Valley, NW-coastal Egypt, SE-Egypt); Canary Isl. (Fuerteventura, Gran Canaria, Tenerife, La Gomera); N-Chad; ?Sudan; Tanzania; Namibia; Botswana; South Africa (Limpopo, North-West Prov., Gauteng, Free State, N-Cape Prov., W-Cape Prov., E-Cape Prov.); Madagascar; Rodrigues; Siberia (Altai, Buryatia, Irkutsk, Krasnoyarsk, Tuva, W-Siberia); Russian Far East (Kamchatka, Khabarovsk, Kuril Isl., Primorye, Sakhalin); Kazakhstan; Turkmenistan; Uzbekistan; Kyrgyzstan; Tajikistan; Northern Caucasus; Georgia [Caucasus]; Armenia; Azerbaijan; East Aegaean Isl. (Lesvos, Kos, Rhodos); Turkey (E-Anatolia, Inner Anatolia, N-Anatolia, NE-Anatolia, NW-Anatolia: Bithynia, S-Anatolia, SSW-Anatolia, W-Anatolia, WN-Anatolia); Iraq (NE-Iraq, NW-Iraq, SE-Iraq: Mesopotamia); Iran (EC-Iran, E-Iran, S-Iran, W-Iran); Iran (Iranian Aserbaijan); Afghanistan (Badghys, Bamyan, Farah, Faryab, Ghazni, Ghorat, Kabul, Wardak); Cyprus (C-Mountains, E-Cyprus, N-Cyprus, W-Cyprus); Lebanon (Antilebanon, C-Lebanon, coastal W-Lebanon); Syria (C-Syrian Desert, Jazira, Jbel Druze); Israel (coastal W-Israel, Rift Valley, N-Negev Desert); Jordania (S-Jordania); Qatar; United Arab Emirates; China (widespread); Mongolia; North Korea; Japan (Honshu, Kyushu); Ryukyu Isl.; Taiwan; Pakistan (Sind, Baluchistan, Pakistani Punjab, Skardu); Nepal; India (Assam); Bangladesh; Myanmar; Australia (SE-South Australia, E-New South Wales); New Zealand; Alaska; Canada (Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Northern Territories, Ontario, Prince Edward Isl., Québec, Saskatchewan); 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); Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Chihuahua, Coahuila, Ciudad de Mexico, Durango, Guanajuato, Hidalgo, Jalisco, Mexico State, Michoacán, Morelos, Nuevo León, Oaxaca, Puebla, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Veracruz, Zacatecas); Peru; Bolivia (Cochabamba, La Paz, Oruro, Potosí, Tarija); Uruguay (Rocha); 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])
10 DEN FIN GRB ICE IRE NOR SWE 11 AUT BGM CZE GER HUN LIE LUX NET POL SLO SWI 12 BAL CIS COR FRA POR SAR SPA 13 ALB BIH BUL CRO GRC ITA KOS 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 UAE 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-Pyrénées 43 (1867)
= Zannichellia aculeata Schur; Oesterr. Bot. Z. 20: 203 (1870)
= Zannichellia brachystemon J.Gay ex Reut.; Cat. Graines Jard. Bot. Genève 4 (1854)
= Zannichellia clausii Tzvelev; Novosti Sist. Vyssh. Rast. 15: 12 (1979)
= Zannichellia cothenetii P.Fourn.; Fl. Compl. Plaine Franç. 529 (1928)
= Zannichellia dentata Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 181 (1805)
= Zannichellia echinata Lojac.; Fl. Sicul. [Lojacono] 3: 190 (1909)
= Zannichellia geniculata Gilib.; Exerc. Phyt. 2: 419 (1792), opus utique oppr.
= Zannichellia graminifolia Gilib.; Exerc. Bot. in Schola Princip. Univ. Viln. 31 (1782), opus utique oppr.
= Zannichellia indica Morong; Bull. Torrey Bot. Club 13: 159 (1886)
= Zannichellia intermedia Nielsen; Bot. Tidsskr. Ser. 2, 1: 205 (1872)
= Zannichellia intermedia Torr.; Bot. North. Middle States [Beck] 385 (1833)
= Zannichellia komarovii Tzvelev; Novosti Sist. Vyssh. Rast. 15: 10 (1979)
= Zannichellia laevis C.Presl; Abh. Königl. Böhm. Ges. Wiss., Ser. 4, 3: 542 (1845)
= Zannichellia lingulata Clavaud; Actes Soc. Linn. Bordeaux 42: p. lxviii (1888), et in Bull. Herb. Boissier 1: App. I. 20 (1893)
= Zannichellia maritima E.H.L.Krause; Deutschl. Fl. [Sturm], ed. 2, 4: 92 (1905)
= Zannichellia melitensis Brullo, Giusso & Lanfr.; Fl. Medit. 11: 379 (2001)
= Zannichellia palustris f. repens (Boenn.) Asch.; Fl. Brandenburg 1(2): 668 (1864)
= Zannichellia palustris subsp. aculeata (Schur) K.Richt.; Pl. Eur. [K.Richter] 1: 17 (1890)
= Zannichellia palustris subsp. dentata (Willd.) Schübl. & G.Martens; Fl. Würtemberg 578 (1834)
= Zannichellia palustris subsp. repens (Boenn.) Schübl. & G.Martens; Fl. Würtemberg 579 (1834)
= Zannichellia palustris subsp. repens (Boenn.) Uotila; Fl. Turkey 8: 31 (1984), isonym
= Zannichellia palustris subsp. rosenii (Wallm.) K.Richt.; Pl. Eur. [K.Richter] 1: 17 (1890)
= Zannichellia palustris subsp. tenuis (Reut.) K.Richt.; Pl. Eur. [K.Richter] 1: 17 (1890), isonym
= Zannichellia palustris subsp. tenuis (Reut.) Nyman; Consp. Fl. Eur. 684 (1882)
= Zannichellia palustris subvar. gracilis Hagstr.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 6, 5: 183 (1903)
= Zannichellia palustris var. aculeata (Schur) Asch. & Graebn.; Syn. Mitteleur. Fl. [Ascherson & Graebner] 1: 364 (1897)
= Zannichellia palustris var. dentata (Willd.) P.Fourn.; Quatre Fl. France 134 (1935)
= Zannichellia palustris var. indica (Cham. ex Morong) Graebn.; Pflanzenr. [Engler], IV.11, Heft 31 (Potamoget.): 157 (1907)
= Zannichellia palustris var. japonica Makino; Bot. Mag. (Tokyo) 24: 55 (1910)
= Zannichellia palustris var. minor Schur; Oesterr. 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. [K.Richter] 1: 17 (1890)
= Zannichellia prodanii Serb.; Stud. Cercet. Biol. (Bucharest), Ser. Biol. Veg. 32(1): 27 (1980)
= Zannichellia pumila Le Gall; Fl. Morbihan 568 (1852)
= Zannichellia qinghaiensis Y.D.Chen; Acta Hydrobiol. Sin. (Peking) 11(3): 235 (1987)
= Zannichellia repens Boenn.; Prodr. Fl. Monast. Westphal. 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; Bot. Not. 1840: 43 (1840)
= Zannichellia subulata Lojac.; Fl. Sicul. [Lojacono] 3: 190 (1909)
= Zannichellia tenuis Reut.; Cat. Graines Jard. Bot. Genève 4 (1854), et in Compt. Rend. Soc. Haller. 1854 129 (1856)
= Zannichellia variabilis J.K.Fisch.; Gefässpfl. Neu-Vorpommerns 56 (1861)