Eker İsmai̇l, Babaç Mehmet Teki̇n, and Mehmet Koyuncu. 2014. “Revision of the Genus Tulipa L. (Liliaceae) in Turkey”. Phytotaxa 157 (1). Auckland, New Zealand:001–112. https://doi.org/10.11646/phytotaxa.157.1.1.