Collaboration between the Royal Botanic Gardens, Kew and Missouri Botanical Garden enabled the creation of The Plant List by combining multiple checklist data sets held by these institutions and other collaborators.Version 1.1 (September 2013) replaces Version 1.0 which remains accessible here.ollaboration between the Royal Botanic Gardens, Kew and Missouri Botanical Garden enabled the creation of The Plant List by combining multiple checklist data sets held by these institutions and other collaborators. Version 1.1 (September 2013) replaces Version 1.0 which remains accessible here.