The results suggested that rapid growth of S. canadensis in Pb polluted soil might be due to its ability to exclude Pb or reduce the uptake of Pb compared to non-invasive species. 结果表明，铅污染土壤中加拿大一枝黄花的快速生长是由于与非入侵种相比它具有减少或排斥铅吸收的能力。
Alternanthera philoxeroides, which can grow in both terrestrial and aquatic habitats, is a perennial herbaceous species of the genus Alternanthera in Amaranthes family. 随着对入侵生物的深入研究，外来入侵种与乡土种之间的比较研究近年来逐渐成为研究热点。
