Butler, E.J. (1907), An account of the genus Pythium and some Chytridiaceae. Memoirs of the Department of Agriculture India 1 (5): 131 [tax. nov.]

Karling, J.S. (1942), The Simple Holocarpic Biflagellate Phycomycetes: 47 [basionym]

basionym of: Olpidiopsis gracilis (E.J.Butler) Karling legitimate

Dick, M.W. (1997), The Myzocyptiopsidaceae. Mycological Research 101 (7): 882 [basionym]

basionym of: Gracea gracilis (E.J.Butler) M.W.Dick legitimate

AusFungi (2019), AusFungi 21 Jan. 2019: - [nomenclatural synonym]

nomenclatural synonym of: Gracea gracilis (E.J.Butler) M.W.Dick legitimate

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