Microbryum starckeanum var. brachyodus
Bull. Buffalo Soc. Nat. Sci. 32: 240. 1993,.
Stem-leaves very shortly mucronate. Capsule stegocarpous, peristome absent or rudimentary. Spores smooth or tuberculate.
Phenology: Capsules mature late winter or early spring (Jan–Mar).
Elevation: low to moderate elevations (0-700 m)
Ariz., Calif., sw Asia, n Africa
Variety brachyodus has a rudimentary peristome (as an irregular proximal membrane) or the peristome absent. The capsule mouth is commonly oblique and constricted when dry, and the costa is only shortly excurrent as a mucro (M. starckeanum var. starckeanum has short awns).