Tài liệu tham khảo WikiPedia: Cranopsis luetkenii //dx.doi.org/10.1206%2F0003-0090(2006)297%5B0001:T... http://www.iucnredlist.org http://www.iucnredlist.org/search/details.php/5469... https://commons.wikimedia.org/wiki/Category:Incili...