Zarrei, M., P. Wilkin, M. J. Ingrouille, and M. W. Chase. “A Revised Infrageneric Classification for Gagea Salisb. (Tulipeae; Liliaceae): Insights from DNA Sequence and Morphological Data”. Phytotaxa 15, no. 1 (January 28, 2011): 44–56. Accessed December 5, 2025. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.15.1.6.