"54619" . _:b75455604 "54619" . . _:b75455604 "BDTFX id" . . _:b75455604 . "Quercus canariensis x Quercus suber" . "Quercus canariensis x Quercus suber" . "611409" . . . . . "Quercus canariensis x Quercus suber" . "Quercus canariensis x Quercus suber" . _:b75455604 . . . _:b75455604 .