Herbarium Specimens serve as material base for taxonomic research leading to writing floras and consolidating various taxa through revisions.
The economic botany herbarium was established along with botanical Gallery. The initiation was made by Sir George Watt while collecting plants and plant based economic products throughout the then British India. He serves as Reporter of Economic products of India for prolong period during 19th century. His collected or procured materials kept at botanical gallery and simultaneously Herbarium was prepared to correlate museum specimens.
Botanical Survey of India, Industrial Section Indian Museum Herbarium internationally recognized as BSIS (Acronym) established in 1897. There are about 70000 herbarium sheets mostly representative of economically important plants categorized as Gum, resin, natural dye, fiber, cereals, pulses, medicinal and timber yielding plants etc. Some important collectors were Sir George Watt, I. H. Burkill, S. A. Barber and K.S. Srinivasan and many others.
The economic botany herbarium databases contain about 9171 representative herbarium sheets of Industrial Section Indian Museum Herbarium and 10829 specimens of Central National Herbarium.