The following is a list of the records made by Howard-Williams 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 |
| 128998 | Rubia horrida | 12 Jan 1966 | Howard-Williams |
Howard-Williams 37 | SRGH K |
Calgary Farm, Harare District. | 0 | Zimbabwe | 1731C1 | C | 1385 | Cited in Flora Zambesiaca Volume 5(1): 195 (1989). |
-17.666710 | 31.050010 | 5 |