Kebnat
PLANTS

Swamp thistle

Cirsium muticum

Plants
NativeHerbBiennial
Swamp thistle, photo 1 of 5
Swamp thistle, In flower
Swamp thistle, In fruit
up to 180 cmHeight

Biennial herbaceous plant reaching up to 180 cm. Grows in fields and in forests.

There are 242 observations of Swamp thistle in Québec, mostly in Nord-du-Québec, Gaspésie–Îles-de-la-Madeleine and Côte-Nord, and it has been reported in 13 of the 17 regions. They peak in July and August and become rare from September to May.

Through the year

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Where to see it

  1. Nord-du-Québec45
  2. Gaspésie–Îles-de-la-Madeleine43
  3. Côte-Nord40
  4. Bas-Saint-Laurent26
  5. Abitibi-Témiscamingue22
  6. Saguenay–Lac-Saint-Jean20
  7. Chaudière-Appalaches19
  8. Capitale-Nationale8
  9. Laurentides7
  10. Outaouais5
  11. Lanaudière4
  12. Montréal2
  13. Centre-du-Québec1

Habitat

ForestMario Hains
FieldsHubert Figuière
MarshVyacheslav Argenberg
MountainJosyan Pierson

Similar species

Creeping thistleCirsium arvense
Bull thistleCirsium vulgare
Field thistleCirsium discolor
Marsh thistleCirsium palustre
Nodding thistleCarduus nutans
Flodman's thistleCirsium flodmanii
Greater knapweedCentaurea scabiosa
Spotted knapweedCentaurea stoebe
Spiny plumeless thistleCarduus acanthoides
Red cloverTrifolium pratense
Welted ThistleCarduus crispus
American burnweedErechtites hieraciifolius