Kebnat
PLANTS

Great yellowcress

Rorippa amphibia

Plants
IntroducedInvasiveHerbPerennial
Great yellowcress, photo 1 of 5
Great yellowcress, In flower
Great yellowcress, In fruit

Perennial herbaceous plant. Introduced to Québec and invasive. Grows in marshes.

There are 144 observations of Great yellowcress in Québec, mostly in Capitale-Nationale, Centre-du-Québec and Montérégie, and it has been reported in 9 of the 17 regions. They peak in June and become rare from November to April.

Through the year

JFMAMJJASOND

Where to see it

  1. Capitale-Nationale40
  2. Centre-du-Québec37
  3. Montérégie27
  4. Mauricie19
  5. Chaudière-Appalaches12
  6. Lanaudière4
  7. Laval2
  8. Estrie2
  9. Montréal1

Habitat

MarshVyacheslav Argenberg

Similar species

Bog yellowcressRorippa palustris
European bugleweedLycopus europaeus
Yellow rocketBarbarea vulgaris
Creeping yellowcressRorippa sylvestris
TOXIC
Bitter dockRumex obtusifolius
Small tumbleweed mustardSisymbrium loeselii
HorseradishArmoracia rusticana
LakecressRorippa aquatica
Turkish wartycabbageBunias orientalis
Wormseed mustardErysimum cheiranthoides
Corn mustardMutarda arvensis
Garden yellow loosestrifeLysimachia vulgaris