# Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for Sand Dune Phacelia and Designation of Critical Habitat
> **US Fish and Wildlife Service** · Final rule. · Published 2023-08-22 · Effective 2023-09-21 · 88 FR 57180
## Document
- **Document number:** 2023-17669
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 88 FR 57180
- **CFR reference:** 50 CFR 17
- **Publication date:** 2023-08-22
- **Effective date:** 2023-09-21
- **Interior docket:** Docket No. FWS-R1-ES-2021-0070
## Abstract

We, the U.S. Fish and Wildlife Service (Service), list the sand dune phacelia (Phacelia argentea), a plant species from coastal southern Oregon and northern California, as a threatened species with a rule issued under section 4(d) of the Endangered Species Act of 1973, as amended (Act). We also designate critical habitat for the species under the Act. In total, approximately 180.8 acres (73.2 hectares) within 13 units in Coos and Curry Counties in Oregon, and Del Norte County in California, fall within the boundaries of the critical habitat designation. This rule extends the protections of the Act to this species and its designated critical habitat.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/08/22/2023-17669/endangered-and-threatened-wildlife-and-plants-threatened-species-status-with-section-4d-rule-for)
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