1. Faculty of Resource Science & Technology, Universiti Malaysia Sarawak, Sarawak, Malaysia
2. Harvard University Herbaria, Cambridge, MA, USA
3. Department Biologie I, Systematische Botanik und Mykologie, Ludwig-Maximilians-Universität München, München, Germany
4. Faculty of Sustainable Agriculture, Universiti Malaysia Sabah, Sandakan, Sabah, Malaysia