Mueller, F.J.H. von (1860), Fragmenta Phytographiae Australiae 2(13): 91 [tax. nov.]

• Type: "Ad torrentem Leycester Creek rivo Richmond River adfluentem. H. Beckler."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 68 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 164 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 452 [secondary reference]

Domin, K. (1921), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 584-585 [secondary reference]

Sleumer, H.O. (1955), Studies in Old World Proteaceae. Blumea 8(1): 16-17 [secondary reference]

• Lectotype: "New S. Wales. Leycester Creek, affl. Richmond River: Beckler (MEL, typus ...)"

taxonomic synonym: Helicia subrhombifolia Domin legitimate

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 189 [secondary reference]

Floyd, A.G. (1978), Forestry Commission of New South Wales Research Note 35: 18-19 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 180 [secondary reference]

Foreman, D.B. (5 September 1983), A review of the genus Helicia Lour. (Proteaceae) in Australia. Brunonia 6(1): 61 [secondary reference]

taxonomic synonym: Helicia conjunctiflora F.Muell. legitimate

Williams, K.A.W. (1984), Native Plants of Queensland 2: 154 [secondary reference]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1986), Proteaceae. Flora of South-eastern Queensland 2: 17 [secondary reference]

taxonomic synonym: Helicia conjunctiflora F.Muell. legitimate taxonomic synonym: Helicia glabriflora var. conjunctiflora (F.Muell.) Domin legitimate common name: Brown Oak [n/a] common name: Leather Oak [n/a] common name: Pale Oak [n/a]

Floyd, A.G. (1989), Rainforest Trees of Mainland South-eastern Australia: 289-290 (fig.) [secondary reference]

common name: Brown Oak [n/a] common name: Leather Oak [n/a] common name: Pale Oak [n/a]

Wrigley, J.W. & Fagg, M. (1989), Banksias, Waratahs & Grevilleas and all other plants in the Australian Proteaceae family: 417-418 (fig., map), 418 [secondary reference]

taxonomic synonym: Helicia conjunctiflora F.Muell. legitimate taxonomic synonym: Helicia subrhombifolia Domin legitimate taxonomic synonym: Helicia glabriflora var. conjunctiflora (F.Muell.) Domin legitimate common name: brown oak [n/a] common name: pale oak [n/a] common name: smooth helicia [n/a] common name: leather oak [n/a]

• Etymology: "From Latin, glaber, hairless or smooth, and flos, a flower, referring to the smooth flowers."

Harden, G.J. in Harden, G.J. (ed.) (1991), Helicia. Flora of New South Wales 2: 63 [secondary reference]

Robson, Peter J. (1993), Checklist of Australian Trees: alphabetical listings of common and scientific names: - [secondary reference]

common name: Smooth Helicia [n/a] common name: Pale Oak [n/a] common name: Leather Oak [n/a] common name: Brown Oak [n/a]

Foreman, D.B. in McCarthy, P.M. (ed.) (1995), Helicia. Flora of Australia 16: 394-395, Fig. 173, Map 443 [secondary reference]

taxonomic synonym: Helicia conjunctiflora F.Muell. legitimate taxonomic synonym: Helicia subrhombifolia Domin legitimate taxonomic synonym: Helicia glabriflora var. conjunctiflora (F.Muell.) Domin legitimate common name: Brown Oak [n/a] common name: Leather Oak [n/a] common name: Pale Oak [n/a] common name: Smooth Helicia [n/a]

Williams, K.A.W. (1999), Native Plants of Queensland 4: 222 [secondary reference]

Harden, G.J. in Harden, G.J. (ed.) (2002), Helicia. Flora of New South Wales Revised Edition 2: 77 [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 412 [secondary reference]

taxonomic synonym: Helicia subrhombifolia Domin legitimate common name: Brown Oak [n/a] common name: Pale Oak [n/a] common name: Leather Oak [n/a] common name: Smooth Helicia [n/a]

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Helicia glabriflora F.Muell. var. glabriflora legitimate taxonomic synonym: Helicia conjunctiflora F.Muell. legitimate taxonomic synonym: Helicia subrhombifolia Domin legitimate taxonomic synonym: Helicia glabriflora var. conjunctiflora (F.Muell.) Domin legitimate

• APC Dist.: Qld, NSW

Floyd, A.G. (2008), Rainforest Trees of Mainland South-eastern Australia Edn. 2: 308 (fig.)-309 [secondary reference]

common name: Brown Oak [n/a] common name: Leather Oak [n/a] common name: Pale Oak [n/a]

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