Mueller, F.J.H. von (1863), Fragmenta Phytographiae Australiae 4(25): 38 [tax. nov.]

• Type: "In pratis basalticis circum montes Peak Range nec non secundum fluvia Mackenzie et Isaacs River. F.M."

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 404 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 74 [basionym]

basionym of: Oldenlandia coerulescens (F.Muell.) F.Muell. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 237 [nomenclatural synonym]

nomenclatural synonym of: Oldenlandia coerulescens (F.Muell.) F.Muell. legitimate

Domin, K. (1929), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 1171 [nomenclatural synonym]

nomenclatural synonym of: Oldenlandia coerulescens (F.Muell.) F.Muell. legitimate

Halford, D.A. (9 September 1992), Review of the genus Oldenlandia L. (Rubiaceae) and related genera in Australia. Austrobaileya 3(4): 698 [secondary reference]

• Lectotype: "[Queensland. LEICHHARDT DISTRICT:] Peak Downs, undated, Mueller (lecto (here designated); MEL (MEL 61480); isolecto: K)"

Halford, D.A. (9 September 1992), Review of the genus Oldenlandia L. (Rubiaceae) and related genera in Australia. Austrobaileya 3(4): 698 [nomenclatural synonym]

nomenclatural synonym of: Oldenlandia coerulescens (F.Muell.) F.Muell. legitimate

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - [secondary reference]

orthographic variant: Hedyotis caerulescens Benth. orth. var.

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Oldenlandia coerulescens (F.Muell.) F.Muell. legitimate

Gibbons, K.L. (June 2020), Hedyotis, Oldenlandia and related genera (Rubiaceae: Spermacoceae) in Australia: New genera and new combinations in an Asian-Australian-Pacific lineage. Taxon 69(3): 532 [basionym]

basionym of: Dolichocarpa coerulescens (F.Muell.) K.L.Gibbons legitimate

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