Pierre Étienne Simon Duchartre (27 October 1811, Portiragnes – 5 November 1894, Meudon) was a French botanist.
[1] From 1837 he taught classes in Fumel, several years later moving to Paris, where in 1848 he was accepted by the faculty of sciences.
[2] In 1854 he was co-founder of the Société Botanique de France, an institution in which he served as president on several separate occasions.
[3] In 1850 he experimented with sulfur as a remedy against powdery mildew, a fungus that had a serious negative impact on European grapes during the mid-19th century.
[4] The genus Duchartrea (family Gesneriaceae) was named in his honor by botanist Joseph Decaisne.