Chase, M.W.; Reveal, J.L. & Fay, M.F. (2009), “A subfamilial classification for the expanded asparagalean families Amaryllidaceae, Asparagaceae and Xanthorrhoeaceae”, Botanical Journal of the Linnean Society, 161 (2): 132–136, doi:10.1111/j.1095-8339.2009.00999.x
McLay T. G. B. & Bayly M. J. 2016. A new family placement for Australian blue squill, Chamaescilla: Xanthorrhoeaceae (Hemerocallidoideae), not Asparagaceae. Phytotaxa 275(2): 97-111. doi:10.11646/phytotaxa.275.2.2