Cunningham, A. in Lindley, J. (ed.) (1839), Miscellaneous Notices. Notes of Orchidaceous Epiphytes of New South Wales. Edwards's Botanical Register 25: 33 [tax. nov.]

• Type: " ... in dry shaded woods, Moreton Bay. June 1828."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 110 [secondary reference]

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 655 [basionym]

basionym of: Callista tetragona (A.Cunn.) Kuntze legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 250 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 525 [secondary reference]

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 169, 243 [secondary reference]

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 539 [secondary reference]

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 117-118 [secondary reference]

common name: Spider Orchid [n/a]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 460 [secondary reference]

common name: Spider Orchid [n/a]

Dockrill, A.W. (1969), Australian Indigenous Orchids: 420-422, Pl. 13 [secondary reference]

nomenclatural synonym: Callista tetragona (A.Cunn.) Kuntze legitimate

Williams, K.A.W. (1980), Native Plants of Queensland Edn. 2, 1: 90 [secondary reference]

common name: Spider Orchid [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 29 [secondary reference]

Butzin, F.R. (1982), Tropilis Raf., ein ubersehener Gattungsname bei den Orchideen. Willdenowia 12(2): 250 [basionym]

basionym of: Tropilis tetragona (A.Cunn.) Butzin legitimate

Rauschert, S. (1983), Beitrag zur Nomenklatur der Orchidaceae. Feddes Repertorium Beiheft 94(7-8): 471 [basionym]

basionym of: Tropilis tetragona (A.Cunn.) Rauschert isonym

Jones, D.L. (1988), Native Orchids of Australia: 489-490 [secondary reference]

common name: Tree Spider Orchid [n/a]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1989), Orchidaceae. Flora of South-eastern Queensland 3: 434, Fig. 60D [secondary reference]

nomenclatural synonym: Callista tetragona (A.Cunn.) Kuntze legitimate taxonomic synonym: Dendrobium tetragonum var. variabile P.A.Gilbert legitimate common name: Three Spider Orchid [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 63 [secondary reference]

nomenclatural synonym: Callista tetragona (A.Cunn.) Kuntze legitimate nomenclatural synonym: Tropilis tetragona (A.Cunn.) Butzin legitimate nomenclatural synonym: Tropilis tetragona (A.Cunn.) Rauschert isonym taxonomic synonym: Dendrobium tetragonum var. variabile P.A.Gilbert legitimate taxonomic synonym: Dendrobium tetragonum var. hayesianum P.A.Gilbert legitimate taxonomic synonym: Dendrocoryne tetragonum Brieger nom. inval.

Dockrill, A.W. (1993), Australian Indigenous Orchids Edn. 2, 1: 494, Pl. 8 [secondary reference]

nomenclatural synonym: Callista tetragona (A.Cunn.) Kuntze legitimate nomenclatural synonym: Dendrocoryne tetragonum Brieger nom. inval. nomenclatural synonym: Tropilis tetragona (A.Cunn.) Butzin legitimate nomenclatural synonym: Tropilis tetragona (A.Cunn.) Rauschert isonym

Weston, P.H. in Harden, G.J. (ed.) (1993), Dendrobium. Flora of New South Wales 4: 232-233 [secondary reference]

nomenclatural synonym: Dendrobium tetragonum A.Cunn. var. tetragonum legitimate taxonomic synonym: Dendrobium tetragonum var. hayesianum P.A.Gilbert legitimate common name: Tree Spider Orchid [n/a]

Bishop, A. (1996), Field guide to the orchids of New South Wales and Victoria Edn. 1: 187-188, Plate 451 [secondary reference]

common name: Tree Spider Orchid [n/a]

Bishop, A. (2000), Field guide to the orchids of New South Wales and Victoria Edn. 2: 188, Plate 451 [secondary reference]

common name: Tree Spider Orchid [n/a]

Bostock, P.D. & Harris, W.K. in Henderson, R.J.F. (ed.) (2002), Orchidaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 137 [secondary reference]

Clements, M.A. & Jones, D.L. (April 2002), Nomenclatural changes in the Dendrobieae (Orchidaceae) 1: The Australasian Region. The Orchadian 13(11): 490 [basionym]

basionym of: Tetrabaculum tetragonum (A.Cunn.) M.A.Clem. & D.L.Jones legitimate

Adams, Peter B. (10 January 2011), New combinations and two new central Queensland taxa in the Dendrobium tetragonum (Orchidaceae: Epidendroideae) complex. Muelleria 29(1): 77 [nomenclatural synonym]

nomenclatural synonym of: Dendrobium tetragonum A.Cunn. var. tetragonum legitimate

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

nomenclatural synonym: Callista tetragona (A.Cunn.) Kuntze legitimate nomenclatural synonym: Dendrobium tetragonum A.Cunn. var. tetragonum legitimate nomenclatural synonym: Tropilis tetragona (A.Cunn.) Butzin legitimate nomenclatural synonym: Tropilis tetragona (A.Cunn.) Rauschert isonym nomenclatural synonym: Dendrocoryne tetragona Dockrill orth. var. nomenclatural synonym: Tetrabaculum tetragonum (A.Cunn.) M.A.Clem. & D.L.Jones legitimate nomenclatural synonym: Dendrobium tetragonum A.Cunn. subsp. tetragonum legitimate taxonomic synonym: Dendrobium tetragonum var. giganteum Leaney legitimate taxonomic synonym: Dendrobium tetragonum var. variabilis P.A.Gilbert nom. inval. taxonomic synonym: Dendrobium tetragonum var. giganteum P.A.Gilbert nom. inval. taxonomic synonym: Dendrobium tetragonum var. hayesianum P.A.Gilbert nom. inval. taxonomic synonym: Dendrobium tetragonum var. variabilis P.A.Gilbert orth. var. taxonomic synonym: Dendrobium tetragonum var. variabile P.A.Gilbert legitimate taxonomic synonym: Dendrobium tetragonum var. giganteum P.A.Gilbert nom. illeg. taxonomic synonym: Dendrobium tetragonum var. hayesianum P.A.Gilbert legitimate taxonomic synonym: Dendrobium tetragonum var. tomentosum Nicholls legitimate taxonomic synonym: Dendrocoryne tetragonum Brieger nom. inval. taxonomic synonym: Dendrobium capitisyork D.L.Jones nom. inval. taxonomic synonym: Dendrobium cacatua D.L.Jones nom. inval. taxonomic synonym: Dendrobium capitisyork M.A.Clem. & D.L.Jones legitimate taxonomic synonym: Dendrobium cacatua M.A.Clem. & D.L.Jones legitimate taxonomic synonym: Dendrobium tetragonum var. cacatua (M.A.Clem. & D.L.Jones) Dockrill legitimate taxonomic synonym: Tetrabaculum capitisyork (M.A.Clem. & D.L.Jones) M.A.Clem. & D.L.Jones legitimate taxonomic synonym: Tetrabaculum cacatua (M.A.Clem. & D.L.Jones) M.A.Clem. & D.L.Jones legitimate taxonomic synonym: Dendrobium tetragonum var. serpentis Peter B.Adams legitimate taxonomic synonym: Dendrobium tetragonum subsp. cataractarum Peter B.Adams, S.D.Lawson & G.A.Paterson legitimate taxonomic synonym: Dendrobium tetragonum subsp. giganteum (Leaney) Peter B.Adams legitimate taxonomic synonym: Dendrobium tetragonum subsp. cataractum G.N.Backh., R.J.Bates, A.P.Br. & L.M.Copel. orth. var.

• APC Dist.: Qld, NSW

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

misapplied to: Dendrobium melaleucaphilum M.A.Clem. & D.L.Jones legitimate by Dockrill, A.W. (1969), Australian Indigenous Orchids: 420-422, Pl. 13

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 690 [taxonomic synonym]

taxonomic synonym of: Thelychiton tetragonus D.L.Jones nom. inval.

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