Kebnat
PLANTS

Common threesquare

Schoenoplectus pungens

Plants
NativeHerbPerennial
Common threesquare, photo 1 of 5
Common threesquare, In flower
Common threesquare, In fruit

Perennial herbaceous plant. Grows in marshes and near water.

There are 145 observations of Common threesquare in Québec, mostly in Montérégie, Capitale-Nationale and Saguenay–Lac-Saint-Jean, and it has been reported in 14 of the 17 regions. They peak in July and August and become rare from October to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Montérégie23
  2. Capitale-Nationale19
  3. Saguenay–Lac-Saint-Jean18
  4. Outaouais17
  5. Chaudière-Appalaches16
  6. Mauricie11
  7. Côte-Nord9
  8. Montréal8
  9. Gaspésie–Îles-de-la-Madeleine7
  10. Laurentides6
  11. Estrie4
  12. Centre-du-Québec3
  13. Lanaudière2
  14. Bas-Saint-Laurent2

Habitat

MarshVyacheslav Argenberg
Water’s edgepeupleloup

Similar species

Cosmopolitan bulrushBolboschoenus maritimus
Great bulrushSchoenoplectus tabernaemontani
Hardstem bulrushSchoenoplectus acutus
Baltic rushJuncus balticus
Common spikerushEleocharis palustris
Common rushJuncus effusus
Torrey's bulrushSchoenoplectus torreyi
River bulrushBolboschoenus fluviatilis
Smooth Cord-grassSporobolus alterniflorus
American dunegrassLeymus mollis
Scouringrush horsetailEquisetum hyemale