books.google.comhttp://books.google.com/books/about/Prodromus_systematis_naturalis_regni_veg.html?id=hBEAAAAAQAAJ&utm_source=gb-gplus-shareProdromus systematis naturalis regni vegetabilis, sive Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarum, juxta methodi naturalis normas digesta
