Maheshwari, H. “Palaeoflora of Southern Africa Molteno Formation (Triassic) Volume 2, Gymnospenns (excluding Dicroidium) by John M. Anderson and Heidi M. Anderson, A. A. Balkema”. Journal of Palaeosciences, vol. 39, no. (1-3), Dec. 1990, p. 140, doi:10.54991/jop.1990.1687.