"Meisn., 1826" . . _:b75492638 . "Polygonum cognatum" . _:b75492638 "BDTFX id" . _:b76467188 "26002286" . _:b76467188 . . _:b76467188 . "Polygonum cognatum Meisn., 1826" . _:b75492638 . . . . "51430" . "Polygonum cognatum" . "114689" . _:b75492638 . "26002286" . . . . _:b76467188 "TROPICOS id" . . . _:b75492638 "51430" . . "Polygonum cognatum" . . _:b76467188 .