"Plant Names" is a plain English guide to the use of plant names and the conventions for writing them as governed by the International Code of Nomenclature for algae, fungi, and plants and the International Code of Nomenclature for Cultivated Plants. It covers the naming of wild plants, plants modified by humans, why plant names change, their pronunciation and hints to help remember them. The final section provides a detailed guide to web sites and published resources useful to people using plant names.