Plants small. Stems irregularly branched. Stem and branch leaves similar, triangular or ovate; margins weakly toothed to entire; ecostate or costa single; medial laminal cells more than 5:1. Seta red-brown, 0.8-2 cm. Capsule suberect, inclined, or rarely erect, symmetric; operculum conic; peristome perfect.
SELECTED REFERENCES Allen, B. H. 1983b. Isothecium myosuroides and I. stoloniferum, a quantitative study. Bryologist 86: 358-364. Allen, B. H. and A. T. Whittemore. 1996. Note on Isothecium myosuroides and I. obtusatulum (Musci: Brachytheciaceae) in western North America. Evansia 13: 116-119. Ryall, K. et al. 2005. Molecular phylogenetic study of interspecific variation in the moss Isothecium (Brachytheciaceae). Syst. Bot. 30: 242-247.
'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
