Roshni Chowdhury Plant Taxonomy & Biosystematics Laboratory, Department of Botany,
University of North Bengal, Darjeeling India
Anurag Chowdhury ACF,
Central Academy for State Forest Service (CASFOS),
Burnihat, 793101, Assam India
Monoranjan Chowdhury Assistant Professor,
Taxonomy of Angiosperms & Biosystematics Laboratory,
Department of Botany,
University of North Bengal,
Rajarammohunpur, 734013,
Darjeeling, West Bengal India