ಅರ್ಥ : Biennial Eurasian white hairy thistle having pale purple flowers. Naturalized in North America.
ಸಮಾನಾರ್ಥಕ : cotton thistle, onopordon acanthium, onopordum acanthium, scotch thistle
ಅರ್ಥ : Thistle of western North America having white woolly leaves.
ಸಮಾನಾರ್ಥಕ : cirsium flodmanii