LoM, MuM, Wim, VVP, VRiv, MSB, RobP, MuF, Gold, EGU.
Two subspecies, one in Victoria. Goniomitrium acuminatum subsp. acuminatum differs from the Victorian G. acuminatum subsp. enerve by its percurrent or short-excurrent costa that is distinct at least in the apical half of the leaf.