Cirsium altissimum

Cirsium altissimum

Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Cirsium
Species:
C. altissimum
Binomial name
Cirsium altissimum
Synonyms
  • Carduus altissimus L.
  • Cirsium diversifolium DC.
  • Cnicus altissimus (L.) Willd.
  • Cnicus iowense Pammel

Cirsium altissimum is a North American species of plants in the tribe Cardueae within the family Asteraceae. Common names are tall thistle or roadside thistle. The species is native to the eastern and Central United States.