Baneberry?

Baneberry?

Observation - Baneberry?. Description: I have not seen this before and at first thought it was a large wood anemone but then saw the unusual flower heads. Is it baneberry and how unusual is this? Calcareous woodland developed over a former quarry

I have not seen this before and at first thought it was a large wood anemone but then saw the unusual flower heads. Is it baneberry and how unusual is this?

Calcareous woodland developed over a former quarry