Wood-poppy (Stylophorum diphyllum) COSEWIC assessment and status report: chapter 10

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Existing Protection or Other Status Designations

Stylophorum diphyllum is currently listed as a regulated Endangered Species in Ontario, and Endangered in Canada (COSEWIC, 2000). It is protected under the Ontario Endangered Species Act and is listed on Schedule 1 of the federal Species at Risk Act. It is also the subject of a recovery strategy (Bowles, 2007). The initial recovery team was established in 1997. Over the course of the following seven years, a number of actions have resulted in a better understanding of the species in Canada and in mitigating risks to the species: new surveys have discovered one new population; two ex situ populations were established; further information on the biology of the species has been compiled; seed predation has been clarified through in situ experiments; invasive garlic mustard rosettes were removed from the immediate vicinity of wood-poppy plants at the Fanshawe population; critical habitat has been identified.

The conservation status of Stylophorum diphyllum in jurisdictions of the United States is given in Table 1: