_:b73784051 . _:b73784051 . _:b73784051 . _:b73784051 "Biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b73784051 "Persicaria perfoliata has biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b73784051 .