_:b73513897 . _:b73513897 . _:b73513897 . _:b73513897 "Biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in France m\u00E9tropolitaine" . _:b73513897 . _:b73513897 . _:b73513897 "Riccia nigrella has biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in France m\u00E9tropolitaine" . _:b73513897 .