Portál informačního systému ochrany přírody
Finnish Biodiversity Information Facility
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
Groupe de travail Invasions biologiques en milieux aquatiques
National Library of Israel Names and Subjects Authority File