Fissidens taxifolius Hedw., Sp. Musc. Frond. 155. 1801. Type. Europe.
Plants to 11 mm × ca. 3.5 mm. Leaves ca. 2.7 mm × ca. 0.6 mm; apex obtuse to broadly acute, cuspidate; margins more or less evenly serrulate, elimbate; vaginant laminae unequal, acute, ca. 2/3 the leaf length; costa extending into the cuspidate tip; cells 8–11 µm, larger along the costa, bulging above, conspicuously mammillose on vaginant laminae, irregularly hexagonal. Sporophytes basal on short axillary branches.