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Recovery Strategy for the Silver Hair Moss (Fabronia pusilla Raddi) in British Columbia British Columbia Bryophyte Recovery Team
2007
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Abstract: The silver hair moss is a tiny, creeping moss that grows in thin, flat mats over rock surfaces. It has been found in western North America, Mexico, Europe, and North Africa. In North America, it has been reported from southern British Columbia, Washington, Idaho, Oregon, Colorado, New Mexico, Arizona, and California. This species is restricted to southern British Columbia where it has been found at two locations: below McKee Peak at the west end of Sumas Mountain east of Abbotsford, and in the Arrow Lakes area in the southwestern part of the province, where it has probably been extirpated. Detailed population data are not available as this species has not been seen since its first report. Little is known about the biological attributes that may influence the recovery potential of the silver hair moss. It does not appear to produce spores frequently in its Canadian range. In British Columbia, it is restricted to semi-shaded, sandstone rock faces or crevices, often alongside other species of mosses. Potential threats include urban development, recreation activities, and rock face degradation. The critical habitat of this species cannot be identified until the speciesí presence is reconfirmed. The potential habitat in Canada can generally be described as semi-shaded, sandstone rock faces or crevices, in low elevation, probably summer dry environments. Ecological studies and inventory could be completed. The recovery goal is to confirm the presence of silver hair moss in Canada, and to protect and maintain any extant populations. Because the original population has not been rediscovered, there are no data for the habitat and ecology of this species in Canada; thus, current population viability cannot be estimated. Therefore, overall recovery feasibility is unknown until the species is rediscovered through inventory.
 
British Columbia Bryophyte Recovery Team. 2007. Recovery Strategy for the Silver Hair Moss (Fabronia pusilla Raddi) in British Columbia. Ministry of Environment. Recovery Plan
 
Topic: Recovery Planning
Keywords: SARA, species recovery, Accord for the Protection of Species at Risk in Canada, species at risk, bc, cosewic
ISSN:  Scientific Name: Fabronia pusilla
ISBN: 978-0-7726-5834-0 English Name: Silver Hair Moss
Other Identifier: 
 
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