The following is a list of the records made by van Niekerk in species name order.
Click on a column heading to sort the entries in that column
| No | Species | Record date | Recorder(s) | Coll. | Det. | Conf. | Herbaria | Habitat | Location | Loc code(s) | Outing code | Planted code | Country | QDS | Grid ref. | FZ Div | Alt. (m) | Notes | Lat | Long | Loc Acc Code |
| 131421 | Lobelia welwitschii | 22 Nov 2025 | N Wightman W van Niekerk |
N Wightman | Open dambo grassland plain | Chililabombwe District, Copperbelt Province | 0 | Zambia | 1227B4 | W | 1340 | -12.268650 | 27.850050 | 6 | |||||||
| 128844 | Persicaria senegalensis f. albotomentosa | 25 Mar 2025 | N Wightman W van Niekerk |
N Wightman | Degraded wetland drainage grassland | Chililabombwe District, Copperbelt Province, Zambia | 0 | Zambia | 1227B4 | W | 1299 | -12.335300 | 27.791360 | 6 |