1. https://books.google.com.hk/books?hl=zh-CN&lr=&id=ZEm5-F2tmhUC&oi=fnd&pg=PA1&dq=Rariorum+plantarum+historia&ots=KyhGY2GC2s&sig=-IECn6VTHZ3YKQyDEsVw0lMHufM&redir_esc=y&hl=zh-CN&sourceid=cndr#v=onepage&q&f=false
2. Rariorum Plantarum Historia. Flora Svecica [suecica] Exhibens Plantas per Regnum Sueciae Crescentes Systematice cum Differentiis Specierum, Synonymis Autorum, No-Minibus Incolarum, Solo Locorum, usu Pharmacopæorum;Linnaeus,1745
3. Lophophora williamsii;Zimmerman,1993
4. Thoughts on the classification of the Gasteropoda;Cox;J. Molluscan Stud.,1960
5. Starch grain and phytolith evidence for early ninth millennium B.P. maize from the Central Balsas River Valley, Mexico