The following is a list of the collections made by Ray Lawton in species name order. The records are of species which occur in Rwanda (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 |
| 80728 | Acacia gerrardii var. gerrardii | 12 Nov 1966 | RM Lawton |
RM Lawton 1168 | RE Gereau | MO |
Associates with A. polycantha, conbetum Sp. Entada Pilistigima | Zizyphie-Lusaka-Chikupi Road. | 0 | Zambia | 1528C1 | C | 0 | Tree, 20 feet, old bark red and fissured. Pairs of large thorns persistant, also pairs of short thorns. Heads of white flower-Acacia SP. | -15.533333 | 28.183333 | 5 |