Early markers are present in both embryogenesis pathways from microspores and immature zygotic embryos in cork oak, Quercus suber L - Rodriguez-Sanz, Hector; Manzanera, Jose-Antonio; Solis, Maria-Teresa; Gomez-Garay, Aranzazu; Pintos, Beatriz; Risueno, Maria C.; Testillano, Pilar S. (Bmc Plant Biology, 2014)