1. PLANTS WITH MODIFIED LIGNIN CONTENTAND METHODS FOR PRODUCTION THEREOF. Qiao Zhao, Fang Chen, Richard A. Dixon.（Unite States Patent Number, 8, 796，509 B2）
2. PLANTS WITH MODIFIED LIGNIN CONTENTAND METHODS FOR PRODUCTION THEREOF. Qiao Zhao, Fang Chen, Richard A. Dixon.（Australia Patent Number, 2010273587， 2010/07/12-2030/07/12）