Kebnat
PLANTS

Hornwort

Ceratophyllum demersum

Plants
NativeHerbPerennialBlue flowers
Hornwort, photo 1 of 5
Hornwort, In flower
Hornwort, In fruit
50 cmHeight

Perennial herbaceous plant reaching 50 cm. Grows near water.

There are 131 observations of Hornwort in Québec, mostly in Outaouais, Montérégie and Estrie, and it has been reported in 14 of the 17 regions. They peak from July to September and become rare from November to May.

Through the year

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Where to see it

  1. Outaouais29
  2. Montérégie26
  3. Estrie12
  4. Montréal12
  5. Capitale-Nationale11
  6. Laurentides8
  7. Centre-du-Québec6
  8. Bas-Saint-Laurent6
  9. Lanaudière5
  10. Laval4
  11. Abitibi-Témiscamingue4
  12. Chaudière-Appalaches3
  13. Mauricie3
  14. Saguenay–Lac-Saint-Jean2

Habitat

Water’s edgepeupleloup

Similar species

Eurasian water-milfoilMyriophyllum spicatum
Spineless hornwortCeratophyllum echinatum
Siberian water-milfoilMyriophyllum sibiricum
Whorled water-milfoilMyriophyllum verticillatum
Common mare's-tailHippuris vulgaris
Canadian waterweedElodea canadensis
Common bladderwortUtricularia macrorhiza
Beck's water-marigoldBidens beckii
Broadleaf water-milfoilMyriophyllum heterophyllum
Curly pondweedPotamogeton crispus
Sago pondweedStuckenia pectinata
Brittle waternymphNajas minor