Martínez-Azorín, Mario, Manuel B. Crespo, María Ángeles Alonso- Vargas, Michael Pinter, Neil R. Crouch, Anthony P. Dold, Ladislav Mucina, Martin Pfosser, and Wolfgang Wetschnig. 2023. “A Generic Monograph of the Hyacinthaceae Subfamily Urgineoideae”. Phytotaxa 610 (1). Auckland, New Zealand:1-143. https://doi.org/10.11646/phytotaxa.610.1.1.