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...[Human uses of plants|for many purposes]], such as [[building material]]s, ornaments, [[writing material]]s, and, in great variety, [[medicinal plant|for medici ...ite web|title=Chemicals from Plants|publisher=Cambridge University Botanic Garden|url=https://www.botanic.cam.ac.uk/Botanic/Trail.aspx?p=27&ix=11|access-date ...