(1) Tri Cahyanto:
Department of Biology, Faculty of Science and Technology, Universitas Islam Negeri Sunan Gunung Djati Bandung, Bandung, West Java
(2) Billy Nabil Yuni:
Department of Biology, Faculty of Science and Technology, Universitas Islam Negeri Sunan Gunung Djati Bandung, Bandung, West Java
(3) Muhammad Efendi:
Cibodas Botanic Gardens, Research Centre for Plant Conservation and Botanic Gardens, Indonesian Institute of Sciences, Cianjur, West Java