Mustapha, O. T. 1987. “Basic Dye Staining of the Nucleolus in Populations of <i>Pancratium hirtum</i≫ A. Chev. (Amaryllidaceae) in Nigeria”. Revista De Biología Tropical 35 (2):351–352. https://revistas.ucr.ac.cr/index.php/rbt/article/view/24119.