No restrictions are placed by this rule on the growing or intrastate movement of rust-resistant Berberis, Mahonia, and Mahoberberis plants, plant parts or seeds, as defined in United States Department of Agriculture Animal and Plant Health Inspection Service regulations in 7 C.F.R. 301.38-2.

This rule does not apply to cuttings (without roots) of Mahonia shipped for decorative purposes and not for propagation.