3591906 535458 Hoodia gordonii (Masson) Sweet ex Decne. [125 971910 Stapelia gordonii Masson] F. Masson, Water-colour drawings of Plants from South Africa, Canaries, Azores, West Indies (unpublished): t. 26 () [F. Masson]
 
1730936 535458 Hoodia gordonii (Masson) Sweet ex Decne. [125 971910 Stapelia gordonii Masson] F. Masson, Stapel. Nov.: t. 40 (1797) [F. Masson]