# Black Stem Rust; Addition of Rust-Resistant Varieties
> **Animal and Plant Health Inspection Service** · Direct final rule. · Published 2007-06-12 · Effective 2007-08-13 · 72 FR 32165
## Document
- **Document number:** E7-11275
- **Category:** plant-animal-health
- **Sub-agency:** Animal and Plant Health Inspection Service
- **Federal Register citation:** 72 FR 32165
- **CFR reference:** 7 CFR 301
- **Publication date:** 2007-06-12
- **Effective date:** 2007-08-13
- **USDA docket:** Docket No. APHIS-2007-0072
## Abstract

We are amending the black stem rust quarantine and regulations by adding four varieties to the list of rust-resistant Berberis species or cultivars in the regulations. This action will allow for the interstate movement of these newly developed varieties without unnecessary restrictions.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/06/12/E7-11275/black-stem-rust-addition-of-rust-resistant-varieties)
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