Platanthera leucophaea, commonly known as the prairie white fringed orchid or eastern prairie fringed orchid, is a rare species of orchid native to North America. It is a federally threatened species, protected since October 30, 1989 under the Endangered Species Act of 1973. In Canada, it has been listed endangered under Schedule 1 of the Species at Risk Act since 2005. In 2014, the International Union for Conservation of Nature assessed it as "least concern."

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