Louis Auguste Joseph Desrousseaux
Louis Auguste Joseph Desrousseaux ( 27 July 1753 – 20 January 1838 ) was a French botanist and pteridologist . 
<triplet> Louis Auguste Joseph Desrousseaux <subj> 27 July 1753 <obj> date of birth <subj> 20 January 1838 <obj> date of death <subj> botanist <obj> field of work