Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
Interim Register of Marine and Nonmarine Genera
Open Tree of Life reference taxonomy version 3.6
A farewell to dated ideas and concepts: molecular phylogenetics and a revised suprageneric classification of the family Cactaceae
Studies of Mexican and Central American Plants – No. 5
A new list of threatened woody species in China under future global change scenarios
Families and genera of Chinese angiosperms: a synoptic classification based on APG III