Tài liệu tham khảo WikiPedia: Xuyên_tiêu http://sphinxsai.com/pdf/jpt_Ap_Ju_09/PT=34%20Sanj... http://opensiuc.lib.siu.edu/cgi/viewcontent.cgi?ar... http://www.efloras.org/florataxon.aspx?flora_id=3&... http://www.theplantlist.org/tpl1.1/record/tro-2810... https://www.ipni.org/n/101400-3775896-1
