_:b72910679 . _:b72910679 "Nitzschia umbonata has biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in Nouvelle-Cal\u00E9donie" . _:b72910679 "Biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in Nouvelle-Cal\u00E9donie" . _:b72910679 . _:b72910679 . _:b72910679 . _:b72910679 . _:b72910679 .