Limbella and Platylomella.
Flora of North America. 28:317-319.
Habitat Changes in the Region, 1850-2010.
Biodiversity Guide for the Greater Portland-Vancouver Region. :17-21.
Historic vegetation of the Tualatin River Basin..
Exploring the Tualatin River Basin: a Nature and Recreation Guide.. :144.
Checklist of Mosses of Oregon.
Institute for Natural Resources, Portland, Oregon. :39.