Website/Catalog published 1826.
Salon d'Hiver. XXXIVième Exposition publique de la Société Royale d'Agriculture et de Botanique de la Ville de Gand à Gand. Le 31 Janvier, 1, 2 et 3 Février 1826". Published in Gent.
p. 7: Mr. Adams, (John Quincy) President of the United States of America exhibits (via Mr. J. de Meulemeester-van Aken) Ornithogalum longibracteatum and Calla aethiopica.
p. 15: Mr. W. Goethe, Privy Counsellor of H.R.H. the Grand Duke of Saxonia Weimar-Eisenach exhibits (via Mr. Ph. Fermondt) Calla Aethiopica and Ruscus androgynus.
p. 17: Mr. Jefferson, former President of the United States, Cultivator at Monticello, exhibits (via Mr. N. de Cock) Limodorum tankervilliae and Pothos cordata.
p. 21: Mr. P. J. Redouté, painter of flowers, at the Jardin des Plantes, in Paris exhibits (via M. Van Saceghem) Amaryllis reginae.