The following is a list of the collections made by Roux in species name order. The records are of species which occur in Tanzania (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 |
| 61919 | Crepidomanes mannii | No date | JP Roux |
JP Roux 2870 | JP Roux | NBG |
Mandala Falls, Zomba Plateau | 0 | Malawi | 1535A4 | S | 1775 | Cited in Bothalia 30(2): 155, 2000 | -15.333360 | 35.333200 | 5 |