In 1796, Candolle moved to Paris after receiving an invitation from French geologist Déodat Gratet de Dolomieu.
It then provides a systematic arrangement of the Australian plants, broadly following the system presented by Augustin Pyramus de Candolle in his 1813 Théorie élémentaire de la botanique.
Augustin Pyramus de Candolle | Pyramus and Thisbe | Augustin Ehrensvärd | Sankt Augustin | Charles-Augustin de Coulomb | Augustin Daly | Jacques Augustin Catherine Pajou | Charles Augustin Sainte-Beuve | Augustin Bea | Saint-Augustin | Paul Augustin Mayer | Louis Augustin Guillaume Bosc | Augustin Royer | Augustin-Louis Cauchy | Augustin Filon | Augustin Berque | Antoine-Augustin Parmentier | The Blossoming of Aaron's Rod, etching by Augustin Hirschvogel | Ștefan Augustin Doinaș | Saint-Augustin-de-Desmaures | René Nicolas Charles Augustin de Maupeou | Pyramus and Thisbe (opera) | Portrait of Jacques-Jean Barre, from ''Album du Salon de 1840'' by Jean Baptiste Marius Augustin Challamel | Pierre-Augustin Hulin | National University of St Augustin of Arequipa | Marx Augustin | Louis-Augustin Bosc d'Antic | Johann Martin Augustin Scholz | HMS ''Pyramus'' | HMS Pyramus |
The genera Requienella (author Jean-Henri Fabre) and Requeinia (author Augustin Pyramus de Candolle) are named after him, as are plants with the specific and subspecific epithets of requienii.
From 1837-1838 he studied botany at the University of Geneva under Augustin and Alphonse Pyramus de Candolle, but had to interrupt his studies due to financial problems.
In 1812, the botanical genus Clarionea (Lagasca ex A. P. de Candolle, 1812) was named in his honor.
The library conserves a collection of 3375 ancient books, floras and other works dating from 1531 to 1901, including works by Linné, Augustin Pyramus de Candolle, Albrecht von Haller, Johann Jakob Scheuchzer, Dominique Villars, Lamarck, Joseph Pitton de Tournefort, and others.