Silver hair moss (Fabronia pusilla) COSEWIC assessment and status report: chapter 7

Population Sizes and Trends

There is no detailed information on the size or trends of the Canadian populations of Fabronia pusilla.  Schofield (pers. comm. 2001, 2002) did not gather detailed information on this species when in the field, other than it was uncommon and found in small patches.  It has not been found during recent investigations, even though the area was visited three times, including once with W. B. Schofield.  It may be present on some of the largely inaccessible areas of sandstone cliffs.

There is no detailed population information available about the adjacent American populations in Idaho and Washington.

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