Search. Enter a Genus (eg Ocimum) or genus and species (eg Ocimum basilicum). The Plant List is a working list of all known plant species. It aims to be comprehensive for species of Vascular plant (flowering plants, conifers, ferns and their allies) and of Bryophytes (mosses and liverworts).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.