# Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for Astragalus ampullarioides (Shivwits milk-vetch) and Astragalus holmgreniorum (Holmgren milk-vetch)
> **US Fish and Wildlife Service** · Final rule. · Published 2006-12-27 · Effective 2007-01-26 · 71 FR 77972
## Document
- **Document number:** 06-9794
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 71 FR 77972
- **CFR reference:** 50 CFR 17
- **Publication date:** 2006-12-27
- **Effective date:** 2007-01-26
## Abstract

We, the U.S. Fish and Wildlife Service (Service), are designating critical habitat for two endangered plants, Astragalus ampullarioides (Shivwits milk-vetch) and Astragalus holmgreniorum (Holmgren milk-vetch) under the Endangered Species Act of 1973, as amended (Act). In total, approximately 6,289 acres (ac) (2,545 hectares (ha)) fall within the boundaries of the critical habitat designation for A. holmgreniorum in Mohave County, Arizona, and Washington County, Utah, and approximately 2,181 ac (883 ha) fall within the boundaries of the critical habitat designation for A. ampullarioides in Washington County, Utah.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/12/27/06-9794/endangered-and-threatened-wildlife-and-plants-designation-of-critical-habitat-for-astragalus)
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