Tall Dandelion type plant

Tall Dandelion type plant

Observation - Tall Dandelion type plant - UK and Ireland. Description: This flower was abundant along the North Norfolk coast last week. Seen at Cley Marshes, Titchwell and Holkham while birdwatching. Just about every flower head had a single species of micro moth (unknown). The stem of the plant had fine hairs and lobed too

This flower was abundant along the North Norfolk coast last week. Seen at Cley Marshes, Titchwell and Holkham while birdwatching. Just about every flower head had a single species of micro moth (unknown). The stem of the plant had fine hairs and lobed toothed lower leaves. Possibly smooth or prickly sow thistle?