The following is a list of the records determined by Ralph Clark in species name order.
Click on a column heading to sort the entries in that column
| 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 |
| 81111 | Bobgunnia madagascariensis | 22 May 1994 | HH Schmidt |
HH Schmidt 1417 | B Mackinder VR Clark | K |
Along secondary road to radio transmitting tower. In rocky woodlands, with large boulders, slopes, and open areas. Predominantly granite, well eroded. | Chinsali District; 24.5 km NW of junction with Isoka-Mpika road (T2); on the road to Mbesuma Ranch. | 0 | Zambia | 1032C4 | N | 1550 | Tree 3.5 m x 10 cm DBH. Bark grey, rough. Fruits dark red-brown. Rare in flat, rocky, open areas. | 4 | ||||||
| 83730 | Sphenostylis erecta subsp. obtusifolia | 25 Feb 1996 | MG Bingham DK Harder |
MG Bingham DK Harder 3506 | B Mackinder VR Clark | K |
With limestone rocks and shallow soils. | Lusaka District; Lusaka East; Kanyanja; Kafue Powerline Road; S ca. 5 km; then W ca. 2 km to area of old military camp houses. | 0 | Zambia | 1528C2 | C | 1350 | Common; among limestone boulders; leaves pale green; stems red-brown; pulvini red; calyx pale green; standard green-yellow-red outside, yellow inside; wings yellow; keel yellow with some green; pods green to light yellow; seeds dull black. | -15.528333 | 28.455000 | 5 |