W. Lobin, M. Neumann, M. Radscheit, and W. Barthlott, “The Cultivation of Titan Arum (Amorphophallus titanum) :: a Flagship Species for Botanic Gardens”, Sibbaldia, no. 5, pp. 69–86, Oct. 2007, doi: 10.24823/Sibbaldia.2007.8.