3897482 581853 Lagarosiphon steudneri Casp. H.G.A. Engler, O. Drude, Veg. Erde, vol. 9(2): : p. 107, fig. H,J (1908)
 
2904566 505020 Heliotropium steudneri Vatke C. Letty, Wild Fl. Transvaal: p. 279, t. 139, fig. 1 (1962) [C. Letty]
 
3603012 359003 Dracaena steudneri Engl. L. Balugani, Drawings of African plants, from the collection made by J. Bruce on his travels to discover the source of the Nile (1767-1773): t. 275 (1765)
 
3603022 359003 Dracaena steudneri Engl. L. Balugani, Drawings of African plants, from the collection made by J. Bruce on his travels to discover the source of the Nile (1767-1773): t. 37 (1765)