Above is Solomon’s seal. The roots of this plant are eaten by some. It is easily confused with other, poisonous plants.
Here is one of the last remaining green Jerusalem artichokes in the park. The rest, at least in the flower meadow area have started to blacken and wither.
I thought this was Violet (Viola odorata) foliage but since decide that it’s more likely to be Lobelia foliage (poisonous).
A Poisonous Euphorbia species.