Bentham, G. (23 September 1873), Flora Australiensis 6: 315 [tax. nov.]

• Type: "Victoria. Heaths on Glenelg river, Robertson; Mount McIvor, Herb. F. Mueller; Bendigo, Oldfield; and probably a specimen from Dandenong, F. Mueller."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 112 [secondary reference]

Mueller, F.J.H. von (1885), Systematic Census of Australian Plants Suppl. 2: 4 [secondary reference]

Mueller, F.J.H. von (1886), Systematic Census of Australian Plants Suppl. 3: 5 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 257 [secondary reference]

Rogers, R.S. in Black, J.M. (1922), Orchidaceae. Flora of South Australia 1: 117 [secondary reference]

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 211 [secondary reference]

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 50 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 471 [secondary reference]

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 177 [secondary reference]

• Lectotype: Heaths near the Glenelg R., Vic., Robertson - lecto.: K; Bendigo, Oldfield - syn.: K; Mt. McIvor, Mueller - not seen.

Williams, K.A.W. (1979), Native Plants of Queensland 1: 54 [secondary reference]

Curtis, W.M. (1980), Angiospermae: Orchidaceae. The Student's Flora of Tasmania 4A: 55, Pl. 23 [secondary reference]

common name: Red Beard-orchid [n/a]

Williams, K.A.W. (1980), Native Plants of Queensland Edn. 2, 1: 54 [secondary reference]

common name: Purple Beard-orchid [n/a]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 197 [secondary reference]

common name: Brown Beards Orchid [n/a] common name: Beard Orchid [n/a] common name: Father Christmas Orchid [n/a] common name: Brown Beards [n/a] common name: Purplish Beard-orchid [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 27 [secondary reference]

Hoffman, N. & Brown, A. (1984), Orchids of South-West Australia: 206, 208-209 [secondary reference]

common name: Beard Orchid [n/a]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 55 [secondary reference]

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Orchidaceae. Flora of the Perth Region 2: 820 [secondary reference]

common name: Beard Orchid [n/a]

Jones, D.L. (1988), Native Orchids of Australia: 313 [secondary reference]

common name: Purplish Beard Orchid [n/a]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1989), Orchidaceae. Flora of South-eastern Queensland 3: 422, Fig. 59D [secondary reference]

common name: Purplish Beard Orchid [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 36 [secondary reference]

• Lectotype: "'Heaths on Glenelg River, Victoria', 28 Sep. 1843, Robertson 27? or 627 (lectotype K! here designated)."

misapplication: Calochilus campestris R.Br. legitimate by Fitzgerald, R.D. (July 1878), Australian Orchids 1(4): 6th plate

Bates, R.J. & Weber, J.Z. (7 December 1990), Orchids of South Australia: 65-66 (map), Figs 99, 101 & 103, Plate 78 [secondary reference]

common name: Common beard-orchid [n/a]

• Etymology: "Named by G. Bentham (1873) in honour of John George Robertson (1803-1862), a Victorian pastoralist, botanist and plant collector."

Bernhardt, P. in Harden, G.J. (ed.) (1993), Calochilus. Flora of New South Wales 4: 153-154 [secondary reference]

taxonomic synonym: Calochilus imberbis R.S.Rogers legitimate common name: Purplish Beard Orchid [n/a]

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Orchidaceae. Flora of Victoria Edn. 1, 2: 855-856, pl. 15d-e, Fig. 180e [secondary reference]

common name: Brown-beards [n/a] common name: Purplish Beard-orchid [n/a]

Bishop, A. (1996), Field guide to the orchids of New South Wales and Victoria Edn. 1: 32-33, Plate 74 [secondary reference]

common name: Purplish Beard Orchid [n/a]

Buchanan, A.M. in Buchanan, A.M. (ed.) (1999), A Census of the Vascular Plants of Tasmania Edn. 3: 64 [secondary reference]

Jones, D.L., Wapstra, H., Tonelli, P. & Harris, S. (1999), The Orchids of Tasmania: 102 [secondary reference]

common name: Purple Beard Orchid [n/a]

• Etymology: "after J. G. Robertson, original collector"

Bishop, A. (2000), Field guide to the orchids of New South Wales and Victoria Edn. 2: 32-33, Plate 74 [secondary reference]

common name: Purplish Beard Orchid [n/a]

Jeanes, J.A. in Ross, J.H. & Walsh, N.G. (June 2003), Orchidaceae. A Census of the Vascular Plants of Victoria Edn. 7: 20 [secondary reference]

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 96 [misapplied]

misapplied to: Calochilus platychilus D.L.Jones legitimate by Curtis, W.M. (1980), Angiospermae: Orchidaceae. The Student's Flora of Tasmania 4A: 55, Pl. 23

Backhouse, G.N., Bates, R.J., Brown, A.P. & Copeland, L.M. (1 March 2016), Checklist of the orchids of Australia including its island territories: 15, 69, 95, 112 [secondary reference]

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - APC [secondary reference]

orthographic variant: Calochilus robertsoni Benth. orth. var.

• APC Comment: Circumscription of Calochilus robertsonii in NSW includes C. imberbis.
• APC Dist.: Qld, NSW, Vic

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [pro parte misapplied]

pro parte misapplied to: Calochilus uliginosus D.L.Jones legitimate by Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 55

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [misapplied]

misapplied to: Calochilus therophilus D.L.Jones legitimate by Williams, K.A.W. (1979), Native Plants of Queensland 1: 54

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [pro parte misapplied]

pro parte misapplied to: Calochilus stramenicola D.L.Jones legitimate by Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 55

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [misapplied]

misapplied to: Calochilus platychilus D.L.Jones legitimate by Curtis, W.M. (1980), Angiospermae: Orchidaceae. The Student's Flora of Tasmania 4A: 55, Pl. 23

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 413-414 [secondary reference]

common name: Purple Beard Orchid [n/a]

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