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Illyrian Cottonthistle (Onopordum illyricum)

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Onopordum Illyricum, or more commonly know as Illyrian Cottonthistle, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Onopordum. Its duration is biennial or bi-annual which means it can grow or bloom twice, in the first year and the following year. Onopordum Illyricum or Illyrian Cottonthistle's floral region is North America US Lower 48, specifically in the state of California.

  • Category: Dicot
  • Genus: Onopordum
  • Family: Asteraceae
  • Order: Asterales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Biennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (I)
  • State Noxious Status: CA (AW)
  • State Noxious Common Name: CA (Illyrian thistle)
  • PLANTS Invasive Status: STATE





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