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 |
| 95064 | Azolla pinnata subsp. africana | 7 Oct 1988 | CJ Ward CJH Hines |
CJ Ward 10360 | NV Clarke | WIND |
Caprivi: Kavango Area 1: Kavango River: Andara. | 0 | Namibia (Caprivi Strip) | 1821A2 | 1015 | Hydrophyte; Notes: Floating. Substrate: water. Exposure: full sun. Moisture: river and backwater. Slope: level. Other: in backwater and held by hygrophytic herbs ex river-bank. Plant features: floating. Common. | -18.050000 | 21.433330 | 2 | ||||||
| 94420 | Hydrocotyle verticillata | 30 Oct 1974 | B Van de Waal |
B Van de Waal 37 | NV Clarke | WIND |
Caprivi: Singalamwe. | 0 | Namibia (Caprivi Strip) | 1724C4 | 0 | On old, rotting, floating reeds. | -17.875000 | 24.375000 | 4 | ||||||
| 95590 | Hydrocotyle verticillata | 2 Jan 1959 | DJB Killick OA Leistner |
DJB Killick OA Leistner 3254 | NV Clarke | WIND |
Locally common. | Caprivi, Katima Mulilo: Lizauli; banks of Mashi river. | 0 | Namibia (Caprivi Strip) | 1823A2 | 0 | Creeping herb with erect inflorescences, 4-5 ' long. | -18.125000 | 23.375000 | 2 | |||||
| 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 |