| Canada (North America) |
| China (Asia) |
| United States (North America) |
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Worley, I. A. & Z. Iwatsuki. 1970. A checklist of the mosses of Alaska. Bryologist 73: 59–71.
http://www.tropicos.org/Reference/9004707
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Redfearn, P. L. J. & P. c. Wu. 1986. Catalog of the mosses of China. Ann. Missouri Bot. Gard. 73: 177–208.
http://www.tropicos.org/Reference/9000050
