The following is a list of the records determined by Clarke 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 |
| 93788 | Nymphaea nouchali var. caerulea | 8 Nov 1974 | B Van de Waal |
B Van de Waal 38 | NV Clarke | WIND |
Caprivi | 0 | Namibia (Caprivi Strip) | 1723C4 | 0 | Notes: Leaves round with small flowers. | -17.875000 | 23.375000 | 5 |