Artificial intelligent assistant

Help identifying plant I saw this plant during the summer in Yorkshire, in the north of England. It was found near in a lowland area not too far from a river, but not in a boggy / marshy place. I’ve also seen them ok roadside verges as well. I think it’s possibly related to a Lily, but I’m not sure at all about that. Does anyone know what species this might be? ![enter image description here](

This plant is a bellflower. Either a Campanula Takesimana or a Campanula Alliariifolia

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