| Anatomy of the southern African Boerhavia and Commicarpus species (Nyctaginaceae) M Struwig, A Jordaan, SJ Siebert Bangladesh Journal of Plant Taxonomy 18 (2), 105, 2011 | 16 | 2011 |
| Anatomical adaptations of Boerhavia L. and Commicarpus Standl.(Nyctaginaceae) for survival in arid environments of Namibia M Struwig, A Jordaan, SJ Siebert Acta Biologica Cracoviensia. Series Botanica 53 (2), 2011 | 14 | 2011 |
| An introduction to the four-o’clocks of southern Africa M Struwig, S Siebert Plant Life 39, 66-70, 2010 | 10 | 2010 |
| A systematic study of Boerhavia L. and Commicarpus Standl.(Nyctaginaceae) in southern Africa M Struwig | 9 | 2011 |
| Fingerprinting Pennisetum purpureum Schumach varieties and cultivars using AFLP analysis M Struwig, MH Buys, CMS Mienie, J Van den Berg South African Journal of Botany 2 (73), 338, 2007 | 1 | 2007 |
| Taxonomic status of Commicarpus fruticosus SJ Siebert, M Struwig National Biodiversity Institute, 2012 | | 2012 |
| Nyctaginaceae: notes on commicarpus in Southern Africa, including a new record for Namibia SJ Siebert, M Struwig South African National Biodiversity Institute, 2011 | | 2011 |
| AFLPs are incompatible with RAPD and morphological data in Pennisetum purpureum (Napier grass) J Van den Berg, M Struwig | | 2009 |
