His systematic work is represented by a large number of papers and monographs, many of which relate to the flora of New Caledonia; and by his "" (1843), a catalogue of the plants in cultivation at the French National Museum of Natural History; it is a landmark in the history of classification in that it forms the starting-point of the classification system, modified successively by Alexander Braun, August W. Eichler and Adolf Engler, which was not superseded until the development of DNA research.