| nombre | tipo de medio | fecha | Autor | Idioma | tipo | Ubicación narrativa | Título |
|---|---|---|---|---|---|---|---|
| Comital Flora of the British Isles | 1932 | Druce | |||||
| The flora of Northamptonshire | 1930 | Druce | |||||
| The flora of West Ross | 1926 | Druce | |||||
| The Adventive Flora of Tweedside | 1919 | Druce | |||||
| An Account of the Morisonian Herbarium in the possession of the University of Oxford | 1914 | Druce |