Potamogetonaceae

Loddon pondweed

Potamogeton nodosus Poir.

Family: Potamogetonaceae
Genus: Potamogeton

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Common names

By language (20)

Arabic: عقدة بوتاموجيتون, لسان البحر ذو الأوراق طويلة
arz: عقده بوتاموجيتون
Belarusian: Урэчнік вузлаваты, Рдзест вузлаваты
Bulgarian: Възловат ръждавец
Chinese: 小節眼子菜, 小节眼子菜, 眼子菜, 匙叶眼子菜, 匙葉眼子菜, 竹叶眼子菜, 箬叶藻, 马来眼子菜
Czech: Rdest uzlinatý
Dutch: Rivierfonteinkruid
English: Loddon pondweed, Longleaf pondweed
French: Potamot Noueux, Potamot à feuilles flottantes
German: Knoten-Laichkraut
Hebrew: נהרונית צפה
Igbo: Loddon pondweed
Indonesian: Potamogeton malaianus(
Persian: بارهنگ آبی گرهدار
Polish: Rdestnica nawodna
Romanian: Broscăriță
Serbian: Пливајућа ресина
Spanish: Spirillus lonchites
Swedish: Knutnate
Welsh: Dyfrllys loddon

Synonyms

Potamogeton americanus Cham. & Schltdl.
Potamogeton americanus subsp. mascarensis (Cham. & Schltdl.) A.Benn.
Potamogeton americanus var. novaeboracensis (Morong) A.Benn.
Potamogeton americanus var. thunbergii (Cham. & Schltdl.) A.Benn.
Potamogeton canariensis Link
Potamogeton drucei Fryer
Potamogeton fluitans f. brevifolius G.Fisch.
Potamogeton fluitans f. congestus G.Fisch.
Potamogeton fluitans f. latifolius G.Fisch.
Potamogeton fluitans f. spathulifolius G.Fisch.
Potamogeton fluitans prol. mascarensis (Cham. & Schltdl.) Graebn.
Potamogeton fluitans prol. novaeboracensis (Morong) Graebn.
Potamogeton fluitans prol. syriacus (Cham. & Schltdl.) Graebn.
Potamogeton fluitans prol. thunbergii (Cham. & Schltdl.) Graebn.
Potamogeton fluitans subsp. americanus Graebn.
Potamogeton fluitans var. americanus (Graebn.) P.Fourn.
Potamogeton fluitans var. canariensis (Link) Webb & Berthel.
Potamogeton fluitans var. novaeboracensis (Morong) Graebn.
Potamogeton fluitans var. robustus Tab.Morais
Potamogeton fluitans var. stagnatilis W.D.J.Koch
Potamogeton indicus Roxb.
Potamogeton insulanus Hagstr.
Potamogeton leschenaultii Cham. & Schltdl.
Potamogeton lonchites var. novaeboracensis Morong
Potamogeton machianus Lowe ex Graebn.
Potamogeton malaianus Miq.
Potamogeton mascarensis Cham. & Schltdl.
Potamogeton mexicanus A.Benn.
Potamogeton montanus C.Presl
Potamogeton natans f. capensis Kunth
Potamogeton natans var. canariensis (Link) T.Durand & Schinz
Potamogeton natans var. capensis T.Durand & Schinz
Potamogeton natans var. mexicanus M.Martens & Galeotti
Potamogeton natans var. serotinus (Schrad. ex Schult. & Schult.f.) Boiss.
Potamogeton nodosus f. angustissimus Hagstr.
Potamogeton nodosus f. brevifolius (G.Fisch.) Soó
Potamogeton nodosus f. congestus (G.Fisch.) Soó
Potamogeton nodosus f. latifolius (G.Fisch.) Soó
Potamogeton nodosus f. spathulifolius (G.Fisch.) Soó
Potamogeton nodosus var. stagnatilis (W.D.J.Koch) Soó

and 14 more.

Flowers

Flower colour: green (USDA PLANTS Database)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Canada: native, Hawaii: native, Lower 48 states: native, Puerto Rico: native

Photos

Photo: AnRo0002, CC0, from Wikimedia Commons
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons

More in Potamogeton

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.