Tussilago farfara is sometimes a troublesome weed on heavy, damp land. (It is common on railway embankments.) The yellow, daisy-likeappear in early spring before the smoth, light green . The best means of eradicating where this weed is not rampant is to dig up the , otherwise give a heavy dressing of sodium chlorate weedkiller. The winter heliotrope, formerly known as Tussilago fragrans, is described under PETASITES FRAGRANS.