The name 'Bea Johnson' might not be widely known in relation to a wildflower story without more context. It could be a very specific, local story. It might be that Bea Johnson was involved in documenting the growth and life cycle of a particular wildflower in a scientific or amateur naturalist way. She could have been the first to notice some unique characteristics of this wildflower and her story is about sharing that knowledge with others.
I'm not sure specifically which 'Bea Johnson Wildflower' true story you are referring to. There could be many stories related to a person named Bea Johnson and wildflowers. Maybe it's about Bea Johnson's discovery of a rare wildflower or her conservation efforts related to wildflowers.