_:b73117268 . _:b73117268 . _:b73117268 . _:b73117268 . _:b73117268 "Biogeographical status I (Introduit) in R\u00E9union" . _:b73117268 "Physella acuta has biogeographical status I (Introduit) in R\u00E9union" . _:b73117268 . _:b73117268 .