Four subspecies, with one subspecies, A. securifolia subsp. securifolia, in Victoria.
Acrolejeunea securifolia subsp. securifolia differs from the other subspecies by a combination of the lobule being ovate with 2–4 short teeth, the leaves being not or only slightly squarrose, and by usually being autoicous (Gradstein 1975).
Gradstein, S.R. (1975). A taxonomic monograph of the genus Acrolejeunea (Hepaticae), with an arrangement of the genera of Ptychanthoideae. J.Cramer: Vaduz.
