Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
The uses of Kenyan aloes: an analysis of implications for names, distribution and conservation
World Checklist of Selected Plant Families
Open Tree of Life reference taxonomy version 3.2
Sukkulenten-Lexikon. Einkeimblättrige Pflanzen (Monocotyledonen)
Illustrated Handbook of Succulent Plants: Monocotyledons
A dataset on catalogue of alien plants in China