Ali, S.I. (1958), Revision of the genus Indigofera L. from W. Pakistan and N.W. Himalayas. Botaniska Notiser 111: 558 [comb. et stat. nov.]

basionym: Indigofera subulata Poir. legitimate

Kort, I. de & Thijsse, G. (1984), A revision of the genus Indigofera (Leguminosae - Papilionoideae) in Southeast Asia. Blumea 30(1): 141 [secondary reference]

nomenclatural synonym: Indigofera subulata Poir. legitimate nomenclatural synonym: Indigofera trita var. subulata (Poir.) Ali legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [misapplied]

misapplied to: Indigofera ewartiana Domin legitimate by Kort, I. de & Thijsse, G. (1984), A revision of the genus Indigofera (Leguminosae - Papilionoideae) in Southeast Asia. Blumea 30(1): 141

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