. "Hust., 1914" . . . "Synedra ulna var. impressa" . "Synedra ulna var. impressa" . _:b75766879 "GBIF id" . "Synedra ulna var. impressa Hust., 1914" . . . _:b75766879 . _:b75766879 . . _:b75766879 "8297928" . "Synedra ulna var. impressa" . "8297928" . . _:b75766879 . "76698" . .