Karyotype structure and NOR activity in Brazilian Smilax Linnaeus, 1753 species (Smilacaceae) - Pizzaia, Daniel; Oliveira-Maekawa, Vanessa M; Martins, Aline R; Mondin, Mateus; Aguiar-Perecin, Margarida Lopes Rodrigues de (Comparative Cytogenetics, 2019)