(a) A district may include:
(1) a political subdivision or a defined district of this state;
(2) one or more counties, or a portion of one or more counties;
(3) all or a portion of a town, village, or municipal corporation; or
(4) a body of land separated from the rest of the district.
(b) A district may not include:
(1) less than 32,000 acres;
(2) territory located in more than five counties;
(3) territory in more than one county, unless approved by the majority vote of eligible voters who reside in the territory in each county proposed to be included in the district; or
(4) land located in another district.
(c) A district must bear a name containing the words "noxious weed control district."