Yellow-flowered weed (9)
(Other definitions for dandelion that I've seen before include "salad plant" , "I nod, laden with yellow flower" , "Yellow weed" , "Common yellow-flowered plant" , "Common yellow-flowered weed" .)
(Other definitions for groundsel that I've seen before include "plant, unwanted?" , "Common weed" , "feed to the birds" , "Plant of daisy family" .)