. _:b75851022 . . . _:b75851022 . "Heckmann & Schmidt, 1987" . "Polynucleobacter" . . . _:b75851022 . _:b75851022 "3219895" . . "Polynucleobacter" . . "3219895" . _:b75851022 "GBIF id" . "892927" . "Polynucleobacter" . "Polynucleobacter Heckmann & Schmidt, 1987" . .