Nordenstam, B. (2012). Crassothonna B. Nord., a new African genus of succulent Compositae-Senecioneae. <em>Compositae Newsletter.</em> 50: 70—77.[details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Crassothonna B.Nord.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1644081 on 2024-05-02
original descriptionNordenstam, B. (2012). Crassothonna B. Nord., a new African genus of succulent Compositae-Senecioneae. <em>Compositae Newsletter.</em> 50: 70—77.[details]