Mo. Rev. Stat. § 441.290
Every landlord shall have a superior lien, against which the tenant shall not be entitled to any exemption, upon the whole crop of the tenant raised upon the leased or rented premises, to reimburse the landlord for money or supplies furnished to the tenant to enable him to raise and harvest the crops or to subsist while carrying out his contract of tenancy, but the lien of the landlord shall not continue for more than one hundred and twenty days after the expiration of the tenancy, and, if the property upon which there is a lien be removed from the leased premises and not returned, the landlord shall have a superior lien upon the property so removed for fifteen days from the date of this removal, and may enforce his lien against the property wherever found.
§ 441.290, RSMo