I think the potted stems are horsetail - most of it has died back but it is still going. The weed I think is hornwort. The small pond it was in is to be filled in so this is looking for a new home.
Posted on behalf of a neighbour across the road. Can be collected from them or me if preferred
Pond plant and some pondweed (Wigmore HR6)
This offer has been gifted to someone and is no longer available.