In several of these he was accompanied by Henri-René Le Tourneux de la Perraudière (1831–1861),  whom he honoured in the naming of several species and genera (e.g., Perralderia, Galium perralderii).
Alongside him on many occasions was Henri-René Le Tourneux de la Perraudière (1831–1861), to whom he paid tribute by naming several species and genera, such as Perralderia and Galium perralderii.