Kebnat
PLANTS

Broadleaf pondweed

Potamogeton natans

Plants
NativeHerbPerennialGreen flowersjuillet to octobre
Broadleaf pondweed, In flower
Broadleaf pondweed, Flower buds
Broadleaf pondweed, No flowers or fruits

Perennial herbaceous plant. Grows in marshes. Green flowers, from July to October.

There are 189 observations of Broadleaf pondweed in Québec, mostly in Laurentides, Outaouais and Bas-Saint-Laurent, and it has been reported in 16 of the 17 regions. They peak in August and become rare from November to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Laurentides29
  2. Outaouais26
  3. Bas-Saint-Laurent23
  4. Abitibi-Témiscamingue21
  5. Estrie20
  6. Capitale-Nationale11
  7. Nord-du-Québec10
  8. Montérégie10
  9. Mauricie10
  10. Chaudière-Appalaches8
  11. Côte-Nord5
  12. Saguenay–Lac-Saint-Jean4
  13. Gaspésie–Îles-de-la-Madeleine3
  14. Lanaudière3
  15. Centre-du-Québec3
  16. Montréal3

Habitat

MarshVyacheslav Argenberg

Similar species

Longleaf pondweedPotamogeton nodosus
Large-leaf pondweedPotamogeton amplifolius
Grassy pondweedPotamogeton gramineus
Water knotweedPersicaria amphibia
Ribbonleaf pondweedPotamogeton epihydrus
WatershieldBrasenia schreberi
Oakes' pondweedPotamogeton oakesianus
Alpine pondweedPotamogeton alpinus
PickerelweedPontederia cordata
Claspingleaf pondweedPotamogeton perfoliatus
Illinois pondweedPotamogeton illinoensis
Greater creeping spearwortRanunculus flammula