Endangered and Threatened Wildlife and Plants; Reclassification of Mirabilis Macfarlanei (MacFarlane's Four-O'clock) From Endangered to Threatened Status

The U.S. Fish and Wildlife Service (Service) makes a final determination to reclassify the plant Mirabilis macfarlanei (MacFarlane's four-o'clock) to threatened status. The species was listed as an endangered species in 1979. This action is due to improvement in the status of the species and the discovery of additional populations. Mirabilis macfarlanei now occurs in three geographically isolated units occupying approximately 163 acres in Idaho and Oregon. The Snake River unit has approximately 4,752 plants occupying about 25 acres. The Salmon River unit has approximately 1,660 plants occupying 68 acres. The recently discovered Imnaha River unit has approximately 800 plants on 70 acres. In addition, the species meets the minimum goals for reclassification identified in the Mirabilis macfarlanei Recovery Plan approved in 1985. The determination made under the Endangered Species Act of 1973 (Act), as amended, is based on a review of all information currently available for the species. The change in classification reflects an improvement in the species' status. Reclassification will not significantly alter the protection afforded this species under the Act.