A herbarium is a collection of plants, which have been dried, pressed, mounted on herbarium sheets, identified and classified according to some approved system of classification. The storage of herbarium sheets forms a repository for future use. A printed label (7 x 12 cm) giving the following information is fixed on the lower, right corner of herbarium sheet:

(i) Scientific name of plant (ii) Common/vernacular name (iii) Family (iv) Locality (v) Date of collection (vi) Collection number (vii) Name of collector (viii) Plant characteristics (optional) (ix) Name of institution (optional).