Roots dug up. Those are by no means small roots - they're on a A3 paper, twice the size of an A4, which is about US Letter). Burdocks like stony ground, so roots dug up often break at 4-8" - 10" if you're lucky. Annala, Helsinki, Finland. Picked. 1999-09-01.
Closeup of flower bud. The "woolly" comes from the flowerheads - compare this to the other burdocks. (... fooled me they were flowers until the real flowers came - next picture.) Vantaa, Finland. Wild. 1992-07-01.