J.J.Engel & G.L.Merr. No year - Engel JJ, Smith Merrill GL. Austral hepaticae. 25. Krunodiplophyllum Grolle and a revision of the Australasian species of Diplophyllum (Dum.) Dum. (Scapaniaceae, Jungermanniales). Journal of the Hattori Botanical Laboratory 84: 241-283. (1998).
There is no corrections for Diplophyllum incrassatum yet.