EKER, İSMAİL, MEHMET TEKİN BABAÇ, and MEHMET KOYUNCU. 2014. “Revision of the Genus <em>Tulipa</Em> L. (Liliaceae) in Turkey”. Phytotaxa 157 (1):001–112. https://doi.org/10.11646/phytotaxa.157.1.1.