cotton thistle woolly thistle Scotch thistle Onopordum acanthium Onopordon acanthium
cotton_thistle%1:20:00:: woolly_thistle%1:20:02:: scotch_thistle%1:20:00:: onopordum_acanthium%1:20:00:: onopordon_acanthium%1:20:00::
onopordum acanthium
biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America