3592192 852859 Pterygodium cruciferum Sonder F. Masson, Water-colour drawings of Plants from South Africa, Canaries, Azores, West Indies (unpublished): t. 55 () [F. Masson]
 
3597152 852859 Pterygodium cruciferum Sonder H. Bolus, Icon. Orchid. Austro-Afric., vol. 3 : t. 78 (1893-1913) [H. Bolus]