Main Tree (页面存档备份,存于互联网档案馆). In Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 [and more or less continuously updated since].
Main Tree (页面存档备份,存于互联网档案馆). In Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 [and more or less continuously updated since].