The following is a list of the records made by Nicholas in species name order.
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| 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 |
| 52532 | Thelypteris confluens | 24 Jan 1976 | A Nicholas |
A Nicholas 479 | SRGH |
Riverine veld forming extensive colonies amongst thick grass; gowing on waterlogged ground. | Inyanga village area, near Rochdale River, East of Holiday Hotel. | 0 | Zimbabwe | 1832B1 | E | 1710 | 0.000000 | 0.000000 | 2 |