Leaves of Dicranopteris dichotoma collected from a rare earth ore area and two control areas were separated into ether fractions,water fractions,base fractions and residues.

• 从稀土矿区和非矿区采集的稀土超量积累植物铁芒萁的叶片分离成醚溶物、水溶物、碱溶物和残余物四个组分。