What's this plant?

What's this plant?

Observation - What's this plant? - UK and Ireland. Description: This plant is growing on every bit of disturbed ground it can find. It seems to have on the newer leaves glandular trichomes that come off and feel gritty when you touch them. Can anyone provide me with an ID?

This plant is growing on every bit of disturbed ground it can find. It seems to have on the newer leaves glandular trichomes that come off and feel gritty when you touch them. Can anyone provide me with an ID?