Institution: | 1. Department of Botany and Plant Biotechnology, University of Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa;2. South African National Biodiversity Institute, Compton Herbarium, Private Bag X7, Claremont 7735, South Africa;3. Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA |