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. 結果表明，鉛污染土壤中加拿大一枝黃花的快速生長是由於與非入侵種相比它具有減少或排斥鉛吸收的能力。
Alternanthera philoxeroides, which can grow in both terrestrial and aquatic habitats, is a perennial herbaceous species of the genus Alternanthera in Amaranthes family. 隨著對入侵生物的深入研究，外來入侵種與鄉土種之間的比較研究近年來逐漸成為研究熱點。
