Mueller, F.J.H. von (1866), Fragmenta Phytographiae Australiae 5(37): 147 [tax. nov.]

• Type: "In pratis ripariis inter flumina Dawson's River et Brisbane's River; Leichhardt, F.M.; nec non prope urbem Newcastle, Leichhardt."

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 443-44 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 76 [secondary reference]

Tate, R. (1890), A Handbook of the Flora of Extratropical South Australia: 108 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 173 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 257 [secondary reference]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 619-620 [secondary reference]

common name: Northern Woodruff [n/a] common name: Twin-leaf Bedstraw [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 188 [secondary reference]

nomenclatural synonym: Galium umbrosum var. geminifolium (F.Muell.) C.Moore legitimate taxonomic synonym: Galium geminifolium F.Muell. legitimate taxonomic synonym: Asperula gemella Airy Shaw & Turrill legitimate

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1986), Rubiaceae. Flora of South-eastern Queensland 2: 330 [secondary reference]

James, T.A. & Allen, W.K. in Harden, G.J. (ed.) (1992), Asperula. Flora of New South Wales 3: 488 [misapplied]

misapplied to: Asperula gemella Airy Shaw & Turrill legitimate by Mueller, F.J.H. von (1866), Fragmenta Phytographiae Australiae 5(37): 147

Thompson, I.R. (5 January 2009), A revision of Asperula and Galium (Rubiaceae: Rubiaceae) in Australia. Muelleria 27(1): 45, 48, Fig. 5 APC [secondary reference]

• APC Dist.: Qld, NSW

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

misapplied to: Asperula gemella Airy Shaw & Turrill legitimate by Tate, R. (1890), A Handbook of the Flora of Extratropical South Australia: 108

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