Linnaeus, C. (1 May 1753), Species Plantarum 2: 629 [tax. nov.]

• Type: (not designated).

Linnaeus, C. (1754), Genera Plantarum Edn. 5: 277 [secondary reference]

Anderson, R.H. (8 August 1939), The naturalised flora of New South Wales (excluding Gramineae). Contributions from the New South Wales National Herbarium 1(1): 29 [secondary reference]

Cronquist, A.J. (1981), An Integrated System of Classification of Flowering Plants: 954 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 201 [secondary reference]

Harden, G.J. in Harden, G.J. (ed.) (1992), Selaginaceae. Flora of New South Wales 3: 591 [secondary reference]

Fischer, E. in Kubitzki, K. (ed.) (2004), Scrophulariaceae. The Families and Genera of Vascular Plants 7: 372, Fig. 44F,G [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 393 [secondary reference]

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

• APC Dist.: NSW (doubtfully naturalised)

Burkhardt, L. (2016), About some eponyms in Taxonomic literature (TL-2). Taxon 65(1): 140 [secondary reference]

• Etymology: "Johann Ernst Hebenstreit (1703–1757), German physician, director of the Bose Garden in Leipzig. He made an Africa expedition together with Christian Gottlieb Ludwig (Linnaeus, 1738: 326). Johann Ernst H. was Johann Christian Hebenstreit’s uncle."

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