Plants!


Yellow Thistle (Cirsium horridulum)

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Cirsium Horridulum, or more commonly know as Yellow Thistle, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Cirsium. Its duration is annual which means it grows for one season only. Cirsium Horridulum or Yellow Thistle's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Louisiana, Massachusetts, Maryland, Maine, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas and Virginia.

  • Category: Dicot
  • Genus: Cirsium
  • Family: Asteraceae
  • Order: Asterales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Annual Biennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (N)
  • PLANTS Invasive Status: SWSS
  • State T/E Status: CT (E) NH (E) PA (E) RI (T)
  • State T/E Common Name: CT (yellow thistle) NH (yellow thistle) PA (horrible thistle) RI (yellow thistle)
  • National Wetland Indicator Status: FACU- FAC+
  • Regional Wetland Indicator Status: 1(FACU-) 2(FAC+) 3(NI) 6(FAC)


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