Thistle, Spear thistle, Scotch thistle, Bull thistle, Cirsium vulgare.

Thistle, Spear thistle, Scotch thistle, Bull thistle, Cirsium vulgare.

Milk Thistle, Blessed Mary thistle, Silybum marianum.

Milk Thistle, Blessed Mary thistle, Silybum marianum.

Sea Holly, Eryngium.

Globe Artichoke, Cynara scolymus.

Cardoon, Cynara cardunculus.

Sea Holly, Eryngium.

Sea Holly, Eryngium yuccifolium.

Thistle, Spear thistle, Scotch thistle, Bull thistle, Cirsium vulgare.

Globe Thistle, Echinops.

Cardoon, Cynara cardunculus.