The following is a list of the collections made by Nicholas in species name order. The records are of species which occur in Burundi (either as a native/naturalised species or as a cultivated species).
| 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 |
| 48856 | Adiantum incisum | Jan 1976 | A Nicholas
|
A Nicholas 478 |
|
|
SRGH
|
Miombo-Commiphora woodlands, shade, growing in bare dry soil. | Fiddlers Green Farm, Karoi, Happy Valley. | | | 0 | Zimbabwe | 1829D3 | | N | 0 | | 0.000000 | 0.000000 | 2 |
| 48904 | Adiantum poiretii | Feb 1976 | A Nicholas
|
A Nicholas 493 |
|
|
SRGH
|
Mountain forest, growing on side of ravine from top to bottom, in well-sheltered areas | Just East of Inyanga village | | | 0 | Zimbabwe | 1932B2 | | E | 1680 | | 0.000000 | 0.000000 | 2 |
| 24493 | Arthropteris orientalis | 17 Jan 1977 | A Nicholas
|
A Nicholas 508 |
|
|
SRGH
|
Brachystegia-Julbernardia woodland. Rock crevices and under rock in shade in shallow and very humic soils. | Urungwe, Karoi, Fiddlers Green Farm | | | 0 | Zimbabwe | 1629D3 | | N | 0 | | 0.000000 | 0.000000 | 0 |
| 53043 | Athyrium schimperi | Feb 1976 | A Nicholas
|
A Nicholas 494 |
|
|
SRGH
|
Mountain forest, growing on side of ravine, especially where it is well shaded. May be found growing in cracks of rocks and at base of trees. | Just East of Inyanga village, Nyanga district | | | 0 | Zimbabwe | 1832B2 | | E | 1680 | | 0.000000 | 0.000000 | 2 |
| 30205 | Cyathea dregei | Jul 1976 | A Nicholas
|
A Nicholas 458 |
|
|
SRGH
|
Edge of river in riverine vegetation surrounded by pine forest | Inyanga, Troutbeck, Killarney | | | 0 | Zimbabwe | 1832B2 | | E | 1980 | | 0.000000 | 0.000000 | 0 |
| 22417 | Equisetum ramosissimum subsp. ramosissimum | 13 Dec 1976 | A Nicholas
|
A Nicholas 500 |
|
|
SRGH
|
Mountain riverine vegetation, from riveredge to edge of riverine vegetation, among grasses and sedges, common | Inyanga, Rochdale river | | | 0 | Zimbabwe | | | E | 1645 | | 0.000000 | 0.000000 | 0 |
| 52692 | Nephrolepis undulata | 20 Jul 1975 | A Nicholas
|
A Nicholas 464 |
|
|
SRGH
|
Wet bog. In riverine forest; growing in forest bordering the river; ground not very moist. | Pungwe River in Honde Valley, Nyanga district | | | 0 | Zimbabwe | 1832B4 | | E | 730 | | 0.000000 | 0.000000 | 2 |
| 41825 | Selaginella goudotiana var. abyssinica | Feb 1976 | A Nicholas
|
A Nicholas 487 |
|
|
SRGH
|
On and at base of rock at side of waterfall, usually in shallow soil
| Kloppers Garden, Troutbeck | | | 0 | Zimbabwe | | | E | 610 | | 0.000000 | 0.000000 | 0 |
| 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 |