(a) The member agencies of the committee are:
(1) the Department of Agriculture;
(2) the Parks and Wildlife Department;
(3) the State Soil and Water Conservation Board;
(4) the Texas AgriLife Extension Service;
(5) the Texas Forest Service;
(6) the Texas Water Development Board; and
(7) any other state agency added to the committee under Subsection (b).
(b) On the request of a state agency that has an interest in controlling invasive species, the member agencies listed in Subsections (a)(1)-(6) by unanimous agreement may add the agency to the committee.