Elmer, A.D.E. (1915), Two Hundred Twenty Six New Species - I. Leaflets of Philippine Botany 7: 2680-2682 [tax. nov.]

• Type: "Type specimen number 10984, A. D. E. Elmer, Todaya (Mt. Apo), District of Davao, Mindanao, June, 1909."

• Etymology: "Named after Datu Tongaling, the Bagobo chief who has taken quite an interest in the collecting work and who has given me material assistance in my exploration."

Henrard, J.Th. (1941), Notes on the nomenclature of some grasses, II. Blumea 4(3): 520 [basionym]

basionym of: Ophiuros tongcalingii (Elmer) Henrard legitimate

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Ophiuros exaltatus (L.) Kuntze legitimate

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