Mo. Rev. Stat. § 528.710: Complaint, act not to limit method of service — posting of sign on property, when.

1. Sections 528.700 to 528.750 shall not limit or affect the method by which service of a complaint in a partition action may be made.

2. If the plaintiff in a partition action seeks an order of notice by publication and the court determines that the property may be heirs' property, the plaintiff, no later than ten days after the court's determination, shall post and maintain, while the action is pending, a conspicuous sign on the property that is the subject of the action. The sign shall state that the action has commenced and identify the name and address of the court and the common designation by which the property is known. The court may require the plaintiff to publish on the sign the name of the plaintiff and the known defendants.