There were 5 illustrations found:
484072
Gunnera perpensa L.
Fl. Madag., vol. 155 (Halorrhagacées): p. 5 (1950) [M.J. Vesque]
2 588852 Laurembergia madagascariensis Schindl.
Fl. Madag., vol. 155 (Halorrhagacées): p. 5 (1950) [M.J. Vesque]
2 687788 Myriophyllum mezianum Schindl.
Fl. Madag., vol. 155 (Halorrhagacées): p. 11 (1950) [M.J. Vesque]
2 687736 Myriophyllum axilliflorum Baker
Fl. Madag., vol. 155 (Halorrhagacées): p. 11 (1950) [M.J. Vesque]
6 588863 Laurembergia veronicifolia (Bory) Schindl. [80 588849 Laurembergia humbertii H. Perrier]
Fl. Madag., vol. 155 (Halorrhagacées): p. 11 (1950) [M.J. Vesque]
484072Gunnera perpensa L.
Fl. Madag., vol. 155 (Halorrhagacées): p. 5 (1950) [M.J. Vesque]
2 588852 Laurembergia madagascariensis Schindl.Fl. Madag., vol. 155 (Halorrhagacées): p. 5 (1950) [M.J. Vesque]
2 687788 Myriophyllum mezianum Schindl.Fl. Madag., vol. 155 (Halorrhagacées): p. 11 (1950) [M.J. Vesque]
2 687736 Myriophyllum axilliflorum BakerFl. Madag., vol. 155 (Halorrhagacées): p. 11 (1950) [M.J. Vesque]
6 588863 Laurembergia veronicifolia (Bory) Schindl. [80 588849 Laurembergia humbertii H. Perrier]Fl. Madag., vol. 155 (Halorrhagacées): p. 11 (1950) [M.J. Vesque]