The following is a list of the collections made by Ray Lawton 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 |
| 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 | ||||
| 81566 | Craterosiphon quarrei | 18 Aug 1959 | RM Lawton |
RM Lawton 599 | F White | Mbesuma, Chambeshi | 0 | Zambia | 0830C2 | N | 0 | Climber ... [illeg.] | -8.716667 | 30.416667 | 5 | ||||||
| 81567 | Craterosiphon quarrei | 14 Sep 1962 | RM Lawton |
RM Lawton 980 | MO |
Mbale District; Mbala. Lunzua River. | 0 | Zambia | 0831C4 | N | 0 | Climber. Tubular sweet scented flowers greenish-p6, a5+5, in mushitu with Monopetalanthus. | -8.833333 | 31.383333 | 5 | ||||||
| 80299 | Eriocoelum lawtonii | 12 May 1961 | RM Lawton |
RM Lawton Lawton 721 | FHO |
Kasama District, Chishimba | 0 | Zambia | N | 0 | FHO, holotype | 0.000000 | 0.000000 | 0 |