The Secretary shall determine whether an invasive plant qualifies as a prohibited invasive plant or a plant for the Watch List based on the following protocol. An expert assessor shall complete a plant status assessment based on the NatureServe’s 2004 protocol (an invasive species assessment protocol: evaluating non-native plants for their impact on biodiversity. Version 1.) Assessments completed by an expert assessor shall be reviewed and approved by the Invasive Plant Advisory Committee.