Sea Holly, Eryngium.

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

Cardoon, Cynara cardunculus.

Teasel, Dipsacus fullonum.

Teasel, Dipsacus fullonum.

Cardoon, Cynara cardunculus.

Thistle, Creeping thistle, Cirsium arvense.

Thistle, Creeping thistle, Cirsium arvense.

Thistle, Creeping thistle, Cirsium arvense.

Thistle, Creeping thistle, Cirsium arvense.

Thistle, Cirsium.

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