Pseudoleskea filamentosa var. tenuiretis Culmann, Rev. Bryol. 37: 94. 1910

Plants small. Stems short, branches many. Leaves not falcate-secund, 0.8-1(-1.1) mm; apex abruptly acute to short-acuminate; medial laminal cells usually isodiametric, corners angular, prorulae distinct.

Capsules rare, mature Jun-Aug. Dry calcareous to siliceous boulders and outcrops, exposed mineral soil; moderate to high elevations (1400-2400 m); Alta., B.C.; Calif., Mont., Utah; w Eurasia.