_:b73423868 . _:b73423868 "Alternanthera sessilis has biogeographical status I (Introduit) in Guyane" . _:b73423868 . _:b73423868 . _:b73423868 . _:b73423868 . _:b73423868 . _:b73423868 "Biogeographical status I (Introduit) in Guyane" .