Kebnat
PLANTS

Longleaf pondweed

Potamogeton nodosus

Plants
NativeHerbPerennialGreen flowers
Longleaf pondweed, photo 1 of 5
Longleaf pondweed, In flower
Longleaf pondweed, In fruit

Perennial herbaceous plant. Grows near water.

There are 64 observations of Longleaf pondweed in Québec, mostly in Outaouais, Montérégie and Centre-du-Québec, and it has been reported in 11 of the 17 regions. They peak in August and become rare from October to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Outaouais15
  2. Montérégie8
  3. Centre-du-Québec8
  4. Capitale-Nationale8
  5. Estrie7
  6. Chaudière-Appalaches6
  7. Laurentides5
  8. Montréal3
  9. Nord-du-Québec2
  10. Laval1
  11. Saguenay–Lac-Saint-Jean1

Habitat

Water’s edgepeupleloup

Similar species

Broadleaf pondweedPotamogeton natans
Ribbonleaf pondweedPotamogeton epihydrus
Water knotweedPersicaria amphibia
Illinois pondweedPotamogeton illinoensis
Grassy pondweedPotamogeton gramineus
Alpine pondweedPotamogeton alpinus
Large-leaf pondweedPotamogeton amplifolius
Curly pondweedPotamogeton crispus
PickerelweedPontederia cordata
White-stem pondweedPotamogeton praelongus
American white waterlilyNymphaea odorata
Floating water-hyacinthPontederia crassipes