Asteraceae (Cardueae tribe)

(as-tr-AY-see-ee / CAR-dyoo-ee)
– a family in theĀ AsteralesĀ order –

Here in the St. Louis Area, we have 7 not-too-obscure plants that are in the “Thistle” tribe of the Aster Family:

  • Arctium minus (Common Burdock) [intro]
  • Carduus nutans (Nodding Thistle) [intro]
  • Centaurea cyanus (Cornflower) [intro]
  • Centaurea stoebe (Spotted Knapweed) [intro]
  • Cirsium altissimum (Tall Thistle) [CC4]
  • Cirsium discolor (Field Thistle) [CC3]
  • Cirsium vulgare (Spear Thistle) [intro]

[CC] = Coefficient of Conservatism