Stephani, F. (1910), Species Hepaticarum 4: 188 [tax. nov.]

• Type: New Guinea. J.B. Chalmers s.n.

Yamada, K. (1979), Journal of the Hattori Botanical Laboratory 45: 282 [basionym]

basionym of: Radula retroflexa var. fauciloba (Steph.) K.Yamada legitimate

McCarthy, P.M. (2003), Catalogue of Australian Liverworts and Hornworts. Flora of Australia Supplementary Series 21: 88 [nomenclatural synonym]

nomenclatural synonym of: Radula retroflexa var. fauciloba (Steph.) K.Yamada legitimate

So, M.L. (2006), Radula (Radulaceae, Marchantiophyta) in the South Pacific. Journal of the Hattori Botanical Laboratory 99: 225 [taxonomic synonym]

taxonomic synonym of: Radula retroflexa Taylor var. retroflexa legitimate

CHAH (2011), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Radula retroflexa Taylor legitimate

Renner, M.A.M., Devos, N., Brown, E.A. & Konrat, M.J. von (2013), A revision of Australian species of Radula subg. Odontoradula. Australian Systematic Botany 26(6): 433-439, Fig. 10-12 [taxonomic synonym]

taxonomic synonym of: Radula retroflexa Taylor legitimate

---