Thaspium trifoliatum var. aureum (L.) Britton
Family: Apiaceae
Purple Meadow-Parsnip
[Thaspium aureum (L.) Nutt.,  more...]
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From Flora of Indiana (1940) by Charles C. Deam

Frequent in woodland throughout the state. Usually restricted to wooded slopes along or near streams. It is to be noted that all Indiana specimens have yellow flowers.