অর্থ : Biennial Eurasian white hairy thistle having pale purple flowers. Naturalized in North America.
সমার্থক : cotton thistle, onopordon acanthium, onopordum acanthium, scotch thistle
অর্থ : Thistle of western North America having white woolly leaves.
সমার্থক : cirsium flodmanii
Woolly thistle meaning in Bengali (Bangla).