title: [Louis-Charles Simard (1900-1970). Jacques Rousseau (1906-1970)].
mesh_terms: D001695:Biology / Q000266:history*; D001901:Botany / Q000266:history*; D002170:Canada; D049673:History, 20th Century
vernacular_title: Louis-Charles Simard (1900-1970). Jacques Rousseau (1906-1970.