The mark consists of The mark consists of the letters CPG in the center of two concentric circles with a pair of leaves directly above the letters CPG. The phrase CERTIFIED PLANT GRADE is located above the term CPG outside of the inner concentric circle but inside the outer concentric circle and extends from a left side of the circle to a right side of the circle in an arcuate path. The phrase CERTIFIED PLANT GRADE is also located below the term CPG outside of the inner concentric circle but inside the outer concentric circle and extends from a left side of the circle to a right side of the circle in an arcuate path..