Morphological variation of phytoliths according to leaf senescence and position in the organs of Brachiaria decumbens - Dias, Raphaella Rodrigues; Coe, Heloisa Helena Gomes; Lepsch, Igo Fernando; Ricardo, Sarah Domingues Fricks; Silva, Livia Maria Vitorino da; Alvarenga, Anarelly Costa; Rasbold, Giliane Gessica (Flora, 2019)