Photosynthetic responses of AMF-infected and AMF-free Bidens pilosa L. to drought stress conditions Effects of nutrients on the growth of the parasitic plant Cuscuta australis R.Br. Studies on flavonoids from Bidens pilosa Comparison of Growth Traits between Invasive Species Bidens pilosa and Its Indigenous Congener B. biternata under Different Light and Water Conditions Analysis of the activities of protective enzymes in Bidens pilosa L. inoculated with Glomus mosseae under drought stress Studies on Seed Germination and Storage of the Invasive Alien Species Bidens pilosa L. Molecular authentication and phylogenetic relationship of Bidens pilosa and its relative species Effects of Six Allelochemicals on the Seed Germination and Root Tip Cell Mitotic of Bidens pilosa L.