_:b73504050 . _:b73504050 "Piper retrofractum has biogeographical status A (Absent) in Saint-Barth\u00E9lemy" . _:b73504050 . _:b73504050 . _:b73504050 "Biogeographical status A (Absent) in Saint-Barth\u00E9lemy" . _:b73504050 . _:b73504050 . _:b73504050 .