Lenis-Manzano SJ, Araujo ACG de, Valle CB do, Santana E de F, Carneiro VT de C. Histology of somatic embryogenesis induced in embryos of mature seeds of the apomictic Urochloa brizantha. PAB. 2011;45(5):435-441. doi:10.1590/S1678-3921.pab2010.v45.3565