Caption: A-B , Gymnostoma australianum . A , cone; B , branchlet (A-B , S.Kajewski 1492, NSW). Casuarina cones, branchlets. C-D , C. equisetifolia subsp. equisetifolia . C , cone (M.Koie & S.Olsen 1229, NSW); D , branchlet (NGF 25332, NSW). E-F , C. equisetifolia subsp incana . E , cone; F , branchlet (E-F , NSW 50234, NSW). G-H , C. cunninghamiana subsp. cunninghamiana . G , cone; H , branchlet (G-H , S.Blake 17377, NSW). I , C. cunninghamiana subsp. miodon , branchlet (N.Speck 1656, NSW).Illustrators: D.Mackay.
Flora of Australia Volume 3 (1989) figure 46.