What weed with a rhizome type root

I have a new to me garden and have a lot of plants or (I think probably) weeds coming up that I hope someone might be able to identify. The leaves are coming up curled up, similar to the way that new hosta shoots emerge from under the soil. If I dig them up they are attached to what I think are rhizomes or pieces of root. I have a feeling that they are weeds but I would like to know for sure. I feel stupid as I spent ages in the summer digging out hoards of green alkanet and I dug up lots of these rhizomes but put them back in the soil thinking that they were something desirable!
I apologise for no photo but I had intended to do some research myself to try to identify this. Unfortunately if I search for 'weed curled leaves' I just get a lot of links about growing cannabis
and it's too dark to take a photo outside now!
I apologise for no photo but I had intended to do some research myself to try to identify this. Unfortunately if I search for 'weed curled leaves' I just get a lot of links about growing cannabis

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Wisdom is not putting it in a fruit salad.
While they are quite invasive, they're not too intrusive as the foliage pretty much disappears by summer. They're quite pretty eventually when the berries form, but I try to deadhead any that I don't have time to dig up, otherwise they do spread everywhere. Berries and roots definitely in the brown bin and not on the compost heap - they seem pretty indestructible!
Don't worry - you aren't the first, and won't be the last, person who has nurtured something that you think is valuable. I know I have, and so have many others. I think my favourite was the person who had a lovely pot of common buttercups, thinking they were something special. She had the very good grace to enjoy the joke when she found out!