The following is a list of the collections made by Roger Polhill in species name order. The records are of species which occur in Malawi (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 |
| 101793 | Equilabium viphyense subsp. zebrarum | 27 Feb 1982 | RM Polhill RK Brummitt EAK Banda |
RM Polhill RK Brummitt EAK Banda 16140 | K |
In montane grassland. | Below Dam 1, Chelinda, Nyika National Park. | 180 | 0 | Malawi | 1033D2 | N | 2200 | Holotype cited in Flora Zambesiaca volume 8 part 8: 227 (2013). | 5 | ||||||
| 101794 | Equilabium viphyense subsp. zebrarum | 2 Mar 1982 | RM Polhill RK Brummitt EAK Banda |
RM Polhill RK Brummitt EAK Banda 16228 | K LISC |
In montane grassland | Mafinga Hills, Chitipa District | 215 | 0 | Malawi | 0933C4 | N | 2220 | Cited in Flora Zambesiaca volume 8 part 8:227 (2013). | 5 | ||||||
| 106612 (cultivated) | Macroptilium atropurpureum (cultivated) | 21 Mar 1982 | RM Polhill GV Pope |
RM Polhill GV Pope 2077 | SRGH |
Roadside in Brachystegia woodland | Mazoe Dam | 0 | Zimbabwe | 1730D2 | N | 0 | Perennial with trailing stems, erect inflorescences, dark purple flowers. [The earliest record of this species in Zimbabwe]. | -17.534670 | 30.988510 | 7 | |||||
| 102539 | Polystachya mafingensis | 2 Mar 1982 | RM Polhill RK Brummitt EAK Banda |
RM Polhill RK Brummitt EAK Banda 16256 | K |
North end of the main ridge, Mafinga Mts, Chitipa District | 215 | 0 | Malawi | 0933C4 | N | 2300 | Cited in Flora Zambesiaca volume 11 part 2: 342, 1998. | 5 |