The Department, in consultation with the University of Maryland Extension, shall create a voluntary certification program for growers and retailers to be identified as a Maryland Native Plant Grower or a Maryland Native Plant Retailer, or both. This certification shall only be available to growers and retailers that are selling native plants listed on the Commercial Maryland Native Plant List. The Department shall develop and maintain a list of certified Maryland Native Plant Growers and certified Maryland Native Plant Retailers. The lists developed under this subsection shall be posted online in accordance with § 10–407 of this subtitle.