Michaux, A. (1803), Flora Boreali-Americana Edn. 1, 1: 62 [tax. nov.]

• Type: "in aridis, a Carolina ad Floridam."

Sprengel, C.P.J. (1824), Systema Vegetabilium Edn. 17, 1: 275 [secondary reference]

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - APC [secondary reference]

• APC Comment: A North American taxon, now referred to Sphenopholis obtusata (Michx.) Scribn., recorded by C.Sprengel, Syst. Veg. 16th edn, 1: 275 (1824), but not known to occur in Australia.

Weiller, C.M., Kodela, P.G. & Thompson, I.R. in Wilson, A.J.G. (ed.) (2009), Aira. Flora of Australia 44A: 264 [secondary reference]

• Text: "This North American species, now under Sphenopholis obtusata (Michx.) Scribn., Rhodora 8: 144 (1906), was cited to occur in Australia by C.P.J.Sprengel, Syst. Veg. 16th edn 1: 275 (1824). However, no specimens from Australia have been seen."

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