_:b73804974 . _:b73804974 "Lemna perpusilla has biogeographical status Q (Mentionn\u00E9 par erreur) in Guyane" . _:b73804974 "Biogeographical status Q (Mentionn\u00E9 par erreur) in Guyane" . _:b73804974 . _:b73804974 . _:b73804974 . _:b73804974 . _:b73804974 .