Accepted By and Published In:
Kindberg, N. C. 1895. New or less known species of pleurocarpous mosses from North America and Europe. Rev. Bryol. 22: 81–88.
Anderson, L. E., H. A. Crum & W. R. Buck. 1990. List of mosses of North America north of Mexico. Bryologist 93: 448–499.
Crosby, M. R. & o. INSUFFICIENT. 1999. INSUFFICIENTLY known because not REVISED since its pre-1963 publication; that is to say we have no more information about the species than Index Muscorum; merely relisted without additional specimens in a checklist since 1963; may have been treated in a checklist, flora, or revision with specimens before 1963. In Checklist Mosses. Missouri Botanical Garden, St. Louis.