Cant identify this plant?

[matthewizod]

Would anyone have an idea what plant/flower this is? Have plenty growing on our grass margins and cant seem to find it in our books.

Were thinking along the lines of Aaron's Rod.. Has hooks along its leaves and stem and a single flower at its head.

TIA

 

[Kidds]

Teasel

 

[A.R.]

Teasel

 

[matthewizod]

Thanks ?