The following is a list of the collections made by van Niekerk in species name order. The records are of species which occur in Rwanda (either as a native/naturalised species or as a cultivated species).
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 | Outing code | Planted code | Country | QDS | Grid ref. | FZ Div | Alt. (m) | Notes | Lat | Long | Loc Acc Code |
| 128290 | Aeollanthus suaveolens | 31 May 2023 | N Wightman I Kabinda W van Niekerk |
N Wightman I Kabinda W van Niekerk NCW1000 | N Wightman | KB Vollesen | K ZAHBRI |
Open wooded grassland drainage system | Nsama, Nsama Dist., Northern Province | 0 | Zambia | 0829D4 | N | 1053 | -8.930710 | 29.991510 | 6 | ||||
| 124058 | Coleus rhodesianum | 24 Apr 2024 | N Wightman W van Niekerk D Ngwenyama |
N Wightman W van Niekerk D Ngwenyama NCW1298 | N Wightman | K ZAHBRI |
Kalahari woodland | Sitoti, Senanga District, Western Province, Zambia | 0 | Zambia | 1623A4 | B | 1027 | -16.298538 | 23.375131 | 6 | |||||
| 124061 | Crotalaria alexandri | 7 Apr 2024 | N Wightman J Alfonsi I Kabinda W van Niekerk M Kaluwe |
N Wightman J Alfonsi I Kabinda W van Niekerk M Kaluwe NCW1255 | N Wightman | K NU |
Wooded grassland | Kaputa GMA, Nsama District, Northern Province, Zambia | 0 | Zambia | 0829D4 | N | 1072 | -8.935633 | 29.990026 | 6 | |||||
| 131386 | Crotalaria spartea | 24 Mar 2025 | N Wightman W van Niekerk |
N Wightman W van Niekerk NCW1434 | N Wightman | K NDO ZAHBRI |
Open wooded grassland | Chililabombwe District, Copperbelt Province | 0 | Zambia | 1227B4 | W | 1309 | -12.334370 | 27.784020 | 6 | |||||
| 124078 | Hibiscus calyphyllus | 30 Mar 2024 | N Wightman J Alfonsi I Kabinda W van Niekerk M Kaluwe |
N Wightman J Alfonsi I Kabinda W van Niekerk M Kaluwe NCW1182 | N Wightman | K ZAHBRI |
Termitaria within Brachystegia woodland | Tondwa GMA, Nsama District, Northern Province, Zambia | 0 | Zambia | 0830C1 | N | 1072 | -8.608560 | 30.214660 | 6 | |||||
| 121026 | Phytolacca dodecandra | 30 May 2023 | N Wightman I Kabinda W van Niekerk M Mwale M Mufuka |
N Wightman I Kabinda W van Niekerk M Mwale M Mufuka NCW995 | N Wightman | K NDO |
Degraded Itigi thicket cleared for agriculture | Kaputa GMA, Nsama District, Northern Province | 0 | Zambia | 0829D2 | N | 1044 | -8.714525 | 29.876161 | 6 | |||||
| 124072 | Rhynchosia nyasica | 3 Apr 2024 | N Wightman J Alfonsi I Kabinda W van Niekerk M Kaluwe |
N Wightman J Alfonsi I Kabinda W van Niekerk M Kaluwe NCW1217 | KB Vollesen | K ZAHBRI |
Brachystegia woodland | Kaputa GMA, Nsama District, Northern Province, Zambia | 0 | Zambia | 0830C1 | N | 1103 | -8.611770 | 30.050450 | 6 |