Sushil Kumar Singh, et.al Singh, Sushil Kumar Agrawala, Dinesh Kumar Jalal, Jeewan Singh Dash, Sudhansu Sekhar Mao, Ashiho Asosii Singh, Paramjit text Kolkata Botanical Survey of India 2019 monographic 547p.. 30cm(hbk) Including Illustrations and index. 584.15 978-8193-475836 ENG-128700 DBAD/PUB 20201217162809.0