How many plants are there in the world?
There are about 391,000 species of vascular plants currently known to science, of which about 369,000 species (or 94 percent) are flowering plants, according to a report by the royal botanic gardens, kew, in the united kingdom. Quick revision points for classification of plants main plant groups: algae, bryophytes, pteridophytes, gymnosperms, angiosperms. Angiosperms are divided into monocots (one cotyledon) and dicots (two cotyledons).While there are many ways to structure plant classification, one way is to group them into vascular and non-vascular plants, seed bearing and spore bearing, and angiosperms and gymnosperms. Plants can also be classified as grasses, herbaceous plants, woody shrubs, and trees.The plant kingdom is traditionally classified into several major groups, including bryophytes (mosses, liverworts, hornworts), seedless vascular plants (ferns, clubmosses, horsetails), gymnosperms (conifers, cycads, ginkgos), and angiosperms (flowering plants).