The following is a list of the collections made by Edwards in species name order. The records are of species which occur in Democratic Republic of Congo (either as a native/naturalised species or as a cultivated species).
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| 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 |
| 95629 | Ottelia ulvifolia subsp. ulvifolia | 18 Apr 1975 | D Edwards |
D Edwards 04353 (00002) | WIND |
Botswana: Siambiso. Linyanti river swamp, Pon Pon Camp. | 0 | Botswana | 1823B2 | 950 | Hydrophyte; Notes: Hydrophyte, in water. Locally common. In running water. | -18.125000 | 23.875000 | 2 |