If your not aware (yet) the Rydberg milk-vetch was delisted in 1989 and is listed as one of 11 species that was recovered. Or was it???
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| The goal of the ESA is the recovery of a listed species to population levels where protection under the Act is no longer necessary. A species may be classified as recovered if its decline has been halted or reversed, and threats minimized, so that its survival in the wild is likely. According to EWS, there are currently 11 species that have been delisted due to recovery. |
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| Rydberg milk-vetch. The Rydberg milk-vetch (Astragalus perianus) is a small, flowering plant that occurs in the mountain and plateau region of south central Utah. The FWS listed the milk-vetch as threatened in 1978 based on data showing that the plant was known to occur only in two locations: Bullion Canyon, Piute County, Utah, and Mt. Dutton, Garlield County, Utah (43 FR 17914). Beginning in 1983, the U.S. Forest Service conducted extensive surveys as part of a management plan developed for the Rydberg milk-vetch. The surveys resulted in the discovery of 11 additional populations with estimates of over 300,000 plants. Based on this new information, the FWS delisted the Rydberg milk-vetch in September 1989 (54 FR 37941). The FWS has categorized this delisting as a "recovery" in its published list of species removed from the endangered and threatened lists. It should be noted, however, that the information published in the final rule delisting the Rydberg milkvetch could also be interpreted as an error in the original data. |