Eaton, D.C. (1879), A new Hawaiian fern — Hymenophyllum baldwinii. Bulletin of the Torrey Botanical Club 6: 293 [tax. nov.]

• Type: "Abundant in a little valley in Oahu, at 2,500 feet above the sea; Hon. D. D. Baldwin, 1878."

• Comment: "I take pleasure in naming it for a gentleman who has shown great interest in the cryptogamic vegetation of the Hawaiian Islands." [i.e. D.D.Baldwin (1831–1912), collector of the original material]

Copeland, E.B. (26 October 1938), Genera Hymenophyllacearum. Philippine Journal of Science 67(1): 65 [basionym]

basionym of: Callistopteris baldwinii (D.C.Eaton) Copel. legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Callistopteris baueriana (Endl.) Copel. legitimate

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