The following is a list of the collections made by Allen in species name order. The records are of species which occur in Democratic Republic of the 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 |
| 48934 | Adiantum lunulatum | No date | CEF Allen |
CEF Allen 9 | SRGH |
Victoria Falls | 24 | 0 | Zimbabwe | 1725D4 | W | 0 | 0.000000 | 0.000000 | 2 |