Biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America - cotton thistle, Scotch thistle, Onopordum acanthium, Onopordon acanthium
Thistle of western North America having white woolly leaves - Cirsium flodmanii
Derived forms: woolly thistles
Type of: plume thistle, plumed thistle, thistle
Part of: genus Onopordon, genus Onopordum, Onopordon, Onopordum