1. Department of Plant Biology and Biotechnology, Faculty of Life Sciences, University of Benin, Benin City, Nigeria
2. School of Biosciences and Veterinary Medicine, University of Camerino – Center for Floristic Research of the Apennine, Barisciano, L’Aquila, Italy
3. Department of Biological Sciences, Anchor University, Lagos, Nigeria
4. Department of Medical Laboratory Science, School of Basic Medical Sciences, University of Benin, Benin City, Nigeria