It has been found that some weeds having high enriching abilities of Cu included Poa annua, Soliva anthemifolia, Lepidium virginicum and Bidens frondosa;

• 结果表明，对 Cu吸收和富集能力较强的有早熟禾（ Poa annua）、裸柱菊（ Soliva anthemifolia）、北美独行菜 (Lepidium virginicum)、北美鬼针草（ Bidens frondosa）；