Website/Catalog published 1826.
Salon d'Été. XXXVième Exposition publique de la Société Royale d'Agriculture et de Botanique de la Ville de Gand à Gand. Le 29 et 30 juin, 1 et 2 juillet 1826". Published in Gent.
p. 3: Mr. Adams, (John Quincy) President of the United States of America exhibits (via Mr. J. de Meulemeester-van Aken) Citrus aurantium and Pelargonium grandiflorum.
p. 5: Mr. Henry Clay, one of the Ministers of United States, at the Congress of Ghent. (via M. de Meulemeester-Van Aken) exhibits Cineraria maritima and Hydrangea hortensis.
p. 11: Mr. W. Goethe, Privy Counsellor of H.R.H. the Grand Duke of Saxonia Weimar-Eisenach exhibits (via Mr. Ph. Fermondt) exhibits Royenna hirsuta and Melianthus major.
p. 13: Mr. Jefferson, former President of the United States, Cultivator at Monticello, exhibits (via Mr. N. de Cock) Crinum americanum and Calothamnus quadrifida
p. 17: Mr. P. J. Redouté, painter of flowers, at the Jardin des Plantes, in Paris exhibits (via M. Van Saceghem) Gloxinia speciosa and Canna nepaulensis.