[Code of Federal Regulations] [Title 7, Volume 5] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 7CFR331.2] [Page 394] TITLE 7--AGRICULTURE CHAPTER III--ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE PART 331--POSSESSION OF BIOLOGICAL AGENTS AND TOXINS--Table of Contents Sec. 331.2 List of biological agents and toxins. The biological agents and toxins listed in this section have been determined to have the potential to pose a severe threat to plant health or to the production and marketability of plant products. Any person who possesses any listed agent or toxin or, in the case of a listed disease, the causative agent of that disease, must notify the Animal and Plant Health Inspection Service of that possession in accordance with Sec. 331.3. Liberobacter africanus, Liberobacter asiaticus Peronosclerospora philippinensis Phakopsora pachyrhizi Plum pox potyvirus Ralstonia solanacearum Race 3 Sclerophthora rayssiae var. zeae Synchytrium endobioticum Xanthomonas oryzae pv. oryzicola Xylella fastidiosa (citrus variegated chlorosis strain)