"7291195" . . "Polygonum subsessile R.Br., 1810" . . . . "R.Br., 1810" . . _:b75639907 . "Polygonum subsessile" . "671393" . _:b75639907 "7291195" . . _:b75639907 "GBIF id" . . _:b75639907 . "Polygonum subsessile" . . _:b75639907 .