Mo. Rev. Stat. § 174.761: Qualified arboretum sites to be accepted as established members of the arboretum for diverse locations to test plants and provide local education.

The Missouri arboretum may accept qualified arboretum sites as established members of the arboretum, in order to have diverse locations in which to test plants, to maintain indigenous plant populations, or to provide a local educational resource. Such affiliated sites may be schools, colleges, universities, or other parks or urban botanical sites open to the public. The Missouri arboretum shall establish criteria for such affiliation.