The alkaline wing-nerved moss (Pterygoneurum kozlovii) is a small, 2?3 mm tall, perennial moss that grows as small clumps or, sometimes, short turfs amongst low-growing vascular plant vegetation. Young plants and leaves are light green to yellow-green. The species is found near wetlands along the margins of saline ponds and sloughs in semi-arid regions.
The alkaline wing-nerved moss was designated as Threatened in November 2004 by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) because the species is restricted to western Canada and is globally imperiled or rare. It has been confirmed at only 13 sites from 24 reported in south-central British Columbia. Locations have also been found in Alberta and Saskatchewan in 2007 since the 2004 COSEWIC status report. It was listed as Threatened in Canada on Schedule 1 of the Species at Risk Act (SARA) in August 2006. In British Columbia, the alkaline nerve-winged moss is ranked S2S3 (imperiled to vulnerable) by the Conservation Data Centre and is on the provincial Blue list. The B.C. Conservation Framework ranks the alkaline wing-nerved moss as a priority 1 for goal 1 (contribute to global efforts for species and ecosystem conservation), priority 6 for goal 2 (prevent species and ecosystems from becoming at risk), and priority 2 for goal 3 (to maintain the diversity of native species and ecosystems).
The recovery goal for this species is to maintain all known populations of alkaline wing-nerved moss in British Columbia, and to re-establish populations at the extirpated sites if deemed appropriate (and feasible).
The recovery plan has the following objectives:
1.to secure long-term protection for the known populations and habitats of alkaline wing-nerved moss;
2.to determine the levels of real and potential threats to this species and its habitat and to mitigate their effects;
3.to address knowledge gaps (e.g., habitat requirements, biological attributes, life history, and ecological factors) for the successful maintenance of this species including habitat restoration if necessary;
4.to confirm the distribution of the alkaline wing-nerved moss (including new locations), and to reliably determine population trends; and
5.to determine if populations can be re-established at extirpated locations and, if feasible, re-introduce the species.
B.C. Ministry of Environment. 2015. Recovery Plan for Alkaline Wing-nerved Moss (Pterygoneurum kozlovii) in British Columbia. Province of B.C, try of Environment. Recovery Plan
Topic: Recovery Planning
Scientific Name: Pterygoneurum kozlovii
English Name: Alkaline Wing-nerved Moss
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