Winged thistle and slender winged thistle rosettes often have a bit more white streaking along veins than nodding thistle, though nodding thistle can have whitish leaf margins at times. Variegated ...

In the vegetative stage, the winged thistle has the typical prickly rosette of a thistle species, though it tends to have some faint whitish venation in leaves, but not as strongly as in variegated ...