. _:b75717464 . _:b75717464 . . . _:b75717464 . . "Ephemera vespertina Linnaeus, 1758" . _:b75717464 "7831449" . . "Ephemera vespertina" . "Linnaeus, 1758" . "823843" . "Ephemera vespertina" . . "7831449" . . _:b75717464 "GBIF id" .