Thunberg, C.P. (1794), Prodromus Plantarum Capensium 1: 64 [tax. nov.]

• Type: Phormium orchioides var. "α" Thunb.

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 50 [secondary reference]

Hewson, H.J. in George, A.S. (ed.) (1987), Lachenalia. Flora of Australia 45: 356, Fig. 108, Map 410 APC [secondary reference]

• APC Dist.: WA (naturalised)

Macfarlane, T.D. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Hyacinthaceae. Flora of the Perth Region 2: 780 [secondary reference]

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