Plants and Plant Resources of Siran Valley, Mansehra, NWFP, Pakistan

A plant resource can be defined as a plant or a part of plant that is of actual or potential value to people. There are many types of values, utilitarian and otherwise. It is possible to regard all plant species and all plant genetic diversity as resources. Plants are universally recognized as a vital part of the world's biological diversity and an essential resource for the planet. In addition to the small number of crop plants used for basic food and fibres, many thousands of wild plants have ...