Milk thistle (Silybum marianum ... Milk thistles' large, spiny, dark-green leaves have white marbling, which is where the plant gets its common name from, explains Amy Enfield of ScottsMiracle ...

and the leaves of young sow thistle plants tend to have a large terminal lobe, unlike hawksbeard. As with the prickly sow thistle and hawksbeard, the sow thistle has fluffy white pappus attached to ...