1. Southern Institute of Ecology, Vietnam Academy of Science and Technology, 1 Mạc Đĩnh Chi Street, District 1, Hồ Chí Minh City, Vietnam
2. Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18 Hoàng Quốc Việt Street, Cầu Giấy, Hà Nội, Vietnam
3. Herbarium, Singapore Botanic Gardens, 1 Cluny Road, Singapore 259569