(S.Hatt.) Piippo No year - Piippo S. The bryophytes of Sabah (North Borneo) with special reference to the BRYOTROP transect of Mount Kinabalu. III. Geocalycaceae (Hepaticae). Willdenowia 18: 513-527. (1989).
There is no corrections for Heteroscyphus iwatsukii yet.