Blume, C.(K.)L. von (1825), Bijdragen tot de Flora van Nederlandsch Indie 8: 362 [tax. nov.]

• Type: (not designated).

Bentham, G. (23 September 1873), Flora Australiensis 6: 296 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 111 [taxonomic synonym]

taxonomic synonym of: Sarcochilus R.Br. legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 252 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 536 [secondary reference]

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 173-174 [secondary reference]

• Etymology: From the Greek kleio (to close) and stoma (a mouth), referring to the small horizontal appendage which closes the mouth of the spur at the base of the labellum.

Rupp, H.M.R. (1941), The breaking-up of the genus Cleisostoma (Orchidaceae) in Australia. The Victorian Naturalist 57(12): 216-220 [secondary reference]

Dockrill, A.W. (1969), Australian Indigenous Orchids: 801 [secondary reference]

Garay, L.A. (30 June 1972), On the systematics of the monopodial orchids I. Botanical Museum Leaflets 23(4): 168 [secondary reference]

• Lectotype: Cleisostoma sagitatum Blume

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 38 [secondary reference]

taxonomic synonym: Sarcanthus Lindl. legitimate

Brummitt, R.K. (1992), Vascular Plant Families and Genera: 382 [secondary reference]

taxonomic synonym: Sarcanthus Lindl. legitimate

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

orthographic variant: Cheilostoma F.Muell. orth. var. orthographic variant: Cleiostoma Rupp orth. var.

• APC Comment: An Asian taxon previously recorded for Australia but now excluded via the transfer of its constituent taxa into several other genera.

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