"wfo-0000746826" . "Polygonum difficile Gand., 1882" . . _:b75444676 . . _:b75444676 "BDTFX id" . . _:b76031967 "GBIF id" . _:b76031967 . _:b75444676 . . . . _:b76524641 "wfo-0000746826" . "Gand., 1882" . _:b76524641 . "114705" . _:b76524641 . _:b76031967 "8421239" . _:b75444676 . "Polygonum difficile" . "51449" . _:b76031967 . _:b76031967 . _:b76524641 . . "8421239" . _:b75444676 "51449" . . . "Polygonum difficile" . _:b76524641 "WFO (World Flora Online) id" .