MAGRINI, S.; SCOPPOLA, A. Variability of pollen aperture heteromorphism in annual pansies (Viola Section Melanium). Acta Botanica Croatica, [S. l.], v. 74, n. 1, 2015. Disponível em: https://www.abc.botanic.hr/index.php/abc/article/view/1065. Acesso em: 31 jan. 2023.