Dwarf woolly-heads, specific populations, COSEWIC assessment status report: chapter 10

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Existing Protection or Other Status Designations

Psilocarphus brevissimus var. brevissimus is not covered under the Convention on International Trade in Endangered Species (CITES), the Endangered Species Act (USA) or the IUCN Red Data Book. It is ranked G4T4? (apparently secure) (NatureServe 2005). The species is not ranked in Washington State (SNR) but is ranked as S2 (imperiled) in Idaho and Montana, states that are also adjacent to Canada.

Southern Mountain Population

Psilocarphus brevissimus is ranked S1 (critically imperiled) in British Columbia, a province that lacks legislation protecting plants at risk. The population does not occur in a protected area, and there is no specific management or implementation plan to protect it or the habitat at its sole occurrence.

Prairie Population

Psilocarphus brevissimus is ranked S2 (imperiled) in Alberta (NatureServe 2005). It should presumably be ranked S1S2 (imperiled to critically imperiled) in Saskatchewan since that is the rank the Saskatchewan Conservation Data Centre assigned to the misidentified P. elatior (Saskatchewan Conservation Data Centre 2005).