Wild Turnip is very similar to rutabaga and the only easy way to tell them apart is to cut the tap root and sniff. Rutabaga is odorless, turnip smells like a cultivated turnip.
![Photo of Wild Turnip Rosette](images/large/wildturnip-full.jpg)
Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension