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SAVING THE SHIVWITZ MILK VETCH

The Shivwitz milk vetch has adapted to grow only on soft, purple-hued clays. When wet, these plum-colored clays become like glue; when dry, they often shrink and crumble. Despite these dynamic soil conditions, the Shivwitz manages to thrive where other plants cannot. But with southern Utah’s increased urban development, off-road vehicle use, and livestock grazing, more and more of the Shivwitz’s purple clays are disturbed or paved over and lost.

In 1999, the Center and its allies petitioned the U.S. Fish and Wildlife Service to list both the Shivwitz milk vetch and the Holmgren’s milk vetch as endangered species. As a result of Center involvement, both plants were listed in 2001 — but critical habitat designation was delayed indefinitely. The Center stayed with the case and in 2004 informed the Fish and Wildlife Service of its intent to sue the agency for its failure to designate critical habitat and develop a recovery plan for the milk vetches.

In 2006, after much involvement from the Center and its allies, the Fish and Wildlife Service finally designated critical habitat and created and recovery plan for the Shivwitz and Holmgren’s milk vetches. And in 2007, the agency prepared a five-year report for the species that recognizes that both of them remain endangered.

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KEY DOCUMENTS
2006 Recovery plan
2006 Critical habitat designation
2006 Critical habitat proposal
2001 Federal Endangered Species Act listing
2000 Federal listing proposal
1999 Listing petition

ENDANGERED SPECIES ACT PROFILE

ACTION TIMELINE

NATURAL HISTORY

MEDIA
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Search our newsroom for the Shivwitz milk vetch

RELATED ISSUES
Deserts
Holmgren’s milk vetch
Protecting Native Plants
Grazing
Urban Sprawl
The Endangered Species Act

Contact: Ileene Anderson

Photo © William Gray