Heneidak, Samia, Esra Martin, Fahim Altinordu, Abdelfattah Badr, and Halil Erhan Ero?lu. 2019. “Chromosome Counts and Karyotype Analysis of Species of Family Apocynaceae from Egypt”. Caryologia 72 (4):69-78. https://doi.org/10.13128/cayologia-192.