Rodríguez-Domínguez, José Manuel, et al. “Physical Mapping of 45S and 5S RDNA in Two Sprekelia Formosissima Cytotypes (Amaryllidaceae) through Fluorescent In Situ Hybridization (FISH)”. Caryologia, vol. 73, no. 3, Apr. 2021, doi:10.13128/caryologia-578.