Accepted By:
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Crum, H. A. 1957. Some additions to the California moss flora. Madroño 14: 74–79.
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Nyholm, E. 1989. Ill. Fl. Nord. Mosses 2: pp. 75–141. Nordic Bryological Society, Copenhagen & Lund.
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Risse, S. 1996. Ephemerum minutissimum Lindb. and E. serratum (Hedw.) Hampe. Bryol. Times 90: 6.
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