Splachnobryum C. Müll., Verh. Zool.-Bot. Ges. Wien 19: 503. 1869.

Amblyophyllum C. Müll., Syn. Musc. Frond. 1: 140.  1849 [1848], nom. nud. 

Plants most often in dense sods. Stems unbranched or branched infrequently, in cross- section with small, incrassate, pigmented outer cells, inner cells enlarged, thin-walled, hyaline, becoming pigmented and thicker-walled with age; central strand absent or weakly differentiated; axillary filamentous propagula present or absent, when present, often branched. Leaves pale-green, widely spaced below, more closely spaced above, ovate, lingulate, or infrequently more or less lanceolate, apices rounded to obtuse; margins elimbate or limbate, plane to recurved below, crenulate at apices, entire below; costae ending far below apices to more or less percurrent; cells cells pale- to dark-green, smooth, some bulging-mammillose on one or both surfaces. Setae elongate. Capsules cylindric; exothecial cells oblong, walls evenly thickened. Spores finely papillose or smooth. Calyptrae cucullate, smooth.