Kebnat
PLANTS

Flat-stem pondweed

Potamogeton zosteriformis

Plants
NativeHerbPerennialGreen flowers
Flat-stem pondweed, photo 1 of 5
Flat-stem pondweed, In flower
Flat-stem pondweed, In fruit

Perennial herbaceous plant. Grows in marshes.

There are 57 observations of Flat-stem pondweed in Québec, mostly in Montérégie, Bas-Saint-Laurent and Estrie, and it has been reported in 13 of the 17 regions. They peak in July and become rare from October to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Montérégie10
  2. Bas-Saint-Laurent10
  3. Estrie6
  4. Nord-du-Québec5
  5. Capitale-Nationale5
  6. Outaouais5
  7. Laurentides4
  8. Centre-du-Québec4
  9. Montréal3
  10. Abitibi-Témiscamingue2
  11. Chaudière-Appalaches1
  12. Laval1
  13. Lanaudière1

Habitat

MarshAlexander Rumpel

Similar species

Grass-leaf mud-plantainHeteranthera dubia
American eelgrassVallisneria americana
Small pondweedPotamogeton pusillus
Ribbonleaf pondweedPotamogeton epihydrus
Sago pondweedStuckenia pectinata
Robbins' pondweedPotamogeton robbinsii
Leafy pondweedPotamogeton foliosus
Bluntleaf pondweedPotamogeton obtusifolius
Curly pondweedPotamogeton crispus
Illinois pondweedPotamogeton illinoensis
Grassy pondweedPotamogeton gramineus
Small PondweedPotamogeton berchtoldii