A.Ruiz-Sanchez, E., Carrillo-Reyes, P., Hernández Sandoval, L. & Specht, C. D. 2019: Two new species of Nolina (Nolinoideae: Asparagaceae) endemic to western Mexico. – Phytotaxa 402 (4): 187-198
B.IUCN 2021: The IUCN Red List of Threatened Species. Version 2021-2.