Kebnat
PLANTS

Richardson's pondweed

Potamogeton richardsonii

Plants
NativeHerbPerennial
Richardson's pondweed, photo 1 of 5
Richardson's pondweed, In flower
Richardson's pondweed, In fruit

Perennial herbaceous plant. Grows in marshes.

There are 185 observations of Richardson's pondweed in Québec, mostly in Nord-du-Québec, Outaouais and Abitibi-Témiscamingue, 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. Nord-du-Québec67
  2. Outaouais19
  3. Abitibi-Témiscamingue17
  4. Estrie13
  5. Montérégie11
  6. Laurentides10
  7. Bas-Saint-Laurent9
  8. Capitale-Nationale9
  9. Chaudière-Appalaches8
  10. Côte-Nord8
  11. Montréal4
  12. Lanaudière3
  13. Centre-du-Québec2
  14. Saguenay–Lac-Saint-Jean2
  15. Mauricie2
  16. Laval1

Habitat

MarshAlexander Rumpel

Similar species

Claspingleaf pondweedPotamogeton perfoliatus
Curly pondweedPotamogeton crispus
White-stem pondweedPotamogeton praelongus
Large-leaf pondweedPotamogeton amplifolius
Canadian waterweedElodea canadensis
Grassy pondweedPotamogeton gramineus
Illinois pondweedPotamogeton illinoensis
Alpine pondweedPotamogeton alpinus