[1] Univ Calcutta, Dept Bot, Taxon & Biosystemat Lab, Ballygunge Circular Rd 35, IN-700019 Kolkata, W Bengal, India
[2] Univ Leipzig, Inst Biol, Dept Mol Evolut & Plant Systemat, Johannisallee 21-23, DE-4103 Leipzig, Germany
[3] Univ Leipzig, Inst Biol, Herbarium Lipsiensis LZ, Johannisallee 21-23, DE-4103 Leipzig, Germany