. _:b75472311 "81703" . _:b75472311 "BDTFX id" . . . _:b75472311 . "Quercus cerris x Quercus petraea" . "611406" . . . _:b75472311 . "Quercus cerris x Quercus petraea" . "81703" . "Quercus cerris x Quercus petraea" . . . _:b75472311 . . "Quercus cerris x Quercus petraea" .