The nugget moss (Microbryum vlassovii) was designated by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) as Endangered in November 2006 and will be considered for listing under the federal Species at Risk Act (SARA) Schedule 1 in 2009. Its current known Canadian range consists of two widely separated populations in the semi-arid regions of south-central British Columbia. The nugget moss is a tiny moss that grows as individual plants or in small patches on mineral soil. It is restricted to habitats on or near silt-rich lacustrine banks. As with many arid-land moss species, its growth cycle begins in late autumn after the first fall rains and, when temperature allows, grows through winter and into spring and early summer. Potential threats to the survival of the populations include road or utilities construction and maintenance, recreational activities, invasive alien vascular plants, and erosion from unusual storm events.
British Columbia Bryophyte Recovery Team. 2009. Recovery Strategy for the nugget moss (Microbryum vlassovii) in British Columbia. Ministry of Environment. BC Recovery Strategy (Species at Risk)
Topic: Recovery Planning
Keywords: sara, cosewic, bc, species at risk, nugget moss
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