_:b73451220 . _:b73451220 "Biatorella hemisphaerica has biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in France m\u00E9tropolitaine" . _:b73451220 "Biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in France m\u00E9tropolitaine" . _:b73451220 . _:b73451220 . _:b73451220 . _:b73451220 . _:b73451220 .