Beginning in 1817, he operated a bookstore in Blois, and in 1820, also a print shop.
[2] In 1830 he relocated to Istanbul with aims of creating an Herbier d'Orient (today's Middle East).
For the next several years he collected and studied plants throughout Asia Minor, Cyprus, Greece, Egypt, the Sinai Peninsula, Chios, Kos, Syria, Persia, Oman, et al.
Aucher-Éloy sold his collections to the Museum National d'Histoire Naturelle in Paris, from where they were distributed to various herbaria.
Aucher-Éloy's name is remembered in the Latin specific epithet of several plants, as chosen by a number of his fellow botanists, including:[3] This article about a French botanist is a stub.