The department offers a consultancy service for flowering plant identification viz., Botanical Information Service (BIS). It provides herbarium consultation, flowering plant identification, weed identification and general information on plants at free of charge to the general public and to government departments and ecological consultancies. Major district floras, checklists, research journals and BIS reports are the important resources that available under BIS.

For the effective outreach of extension activity, a weblog on biodiversity with special reference to Botanical Information has been successfully maintained and updated periodically (URL: https://.grassnest.wordpress.com/). It has been recognized as one among the multimedia resource page of UN-Convention on Biological Diversity for 2010-2020, the Decade on Biodiversity. Also, an exclusive telegram channel (URL: https://t.me/keralaflora), started in April 2020, aims at documenting the rare flowering plant of Kerala and supports the on-line activities of BIS. Botanical Information Service-2019 Report