Wash. Admin. Code § 16-301-505
(3) The following bacterial and fungal diseases of crucifers, and any new strains or variations of these diseases are regulated by this chapter:
| Disease Common Name | Pathogen Cause Scientific Name |
| Black leg of crucifers | Phoma lingam |
| Black rot | Xanthomonas campestris pv. campestris |
[Statutory Authority: RCW 15.49.005, 17.24.041, and chapter 34.05 RCW. WSR 16-14-068, § 16-301-505, filed 7/1/16, effective 10/1/16; WSR 15-20-035, § 16-301-505, filed 9/28/15, effective 10/29/15. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3), and 17.24.021, and chapter 34.05 RCW. WSR 14-20-050, § 16-301-505, filed 9/25/14, effective 10/26/14. Statutory Authority: Chapters 15.49, 17.24, and 34.05 RCW. WSR 06-01-111, § 16-301-505, filed 12/21/05, effective 1/21/06.]