_:b73170571 . _:b73170571 . _:b73170571 . _:b73170571 "Pleurosigma rigidum has biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in Polyn\u00E9sie fran\u00E7aise" . _:b73170571 "Biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in Polyn\u00E9sie fran\u00E7aise" . _:b73170571 . _:b73170571 . _:b73170571 .