"7674758" . "Polygonum angustum" . . "Polygonum angustum" . "114650" . . . _:b76009092 "7674758" . . _:b75497961 . "51353" . . _:b76009092 . _:b75497961 . "Polygonum angustum Bellynck, 1855" . . _:b75497961 . _:b76009092 . _:b75497961 "BDTFX id" . _:b76009092 "GBIF id" . . _:b75497961 "51353" . _:b76009092 . "Bellynck, 1855" . .