# Endangered and Threatened Wildlife and Plants; Endangered Species Status for Chamaecrista lineata var. keyensis (Big Pine Partridge Pea), Chamaesyce deltoidea ssp. serpyllum (Wedge Spurge), and Linum arenicola (Sand Flax), and Threatened Species Status for Argythamnia blodgettii (Blodgett's Silverbush)
> **US Fish and Wildlife Service** · Final rule. · Published 2016-09-29 · Effective 2016-10-31 · 81 FR 66842
## Document
- **Document number:** 2016-23546
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 81 FR 66842
- **CFR reference:** 50 CFR 17
- **Publication date:** 2016-09-29
- **Effective date:** 2016-10-31
- **Interior docket:** Docket No. FWS-R4-ES-2015-0137
## Abstract

We, the U.S. Fish and Wildlife Service (Service), determine endangered species status under the Endangered Species Act of 1973 (Act), as amended, for Chamaecrista lineata var. keyensis (Big Pine partridge pea), Chamaesyce deltoidea ssp. serpyllum (wedge spurge), and Linum arenicola (sand flax), and threatened species status for Argythamnia blodgettii (Blodgett's silverbush), all plant species from south Florida. The rule adds these species to the Federal List of Endangered and Threatened Plants.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/09/29/2016-23546/endangered-and-threatened-wildlife-and-plants-endangered-species-status-for-chamaecrista-lineata-var)
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