The following is a list of the collections made by Johnson in species name order. The records are of species which occur in Zambia (either as a native/naturalised species or as a cultivated species).
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 | Outing code | Planted code | Country | QDS | Grid ref. | FZ Div | Alt. (m) | Notes | Lat | Long | Loc Acc Code |
| 21818 | Asclepias palustris | 16 Mar 1905 | Johnson |
Johnson 460 | K |
Nr Lake Malawi | 0 | Mozambique | 0 | 0.000000 | 0.000000 | 0 | |||||||||
| 21828 | Glossostelma carsonii | 16 Mar 1905 | Johnson |
Johnson 519 | K |
Near Lake Malawi, Niassa | 0 | Mozambique | 0 | 0.000000 | 0.000000 | 0 |