| NAME OF PLANT | WHERE FOUND | DATE | WHERE FOUND | DATE |
| Dactylorhiza praetermissa | ||||
| Southern marsh-orchid | ||||
| Dactylorhiza purpurella | ||||
| Northern marsh-orchid | ||||
| Danthonia decumbens | ||||
| heath-grass | ||||
| Daphne laureola | ||||
| spurge-laurel | ||||
| Datura stramonium | ||||
| thorn-apple | ||||
| Daucus carota | ||||
| wild carrot | ||||
| Deschampsia cespitosa | ||||
| tufted hair-grass | ||||
| Deschampsia flexuosa | ||||
| wavy hair-grass | ||||
| Descurainia sophia | ||||
| flixweed | ||||
| Digitalis purpurea | ||||
| foxglove | ||||
| Diphasiastrum alpinum | ||||
| alpine clubmoss | ||||
| Diplotaxis muralis | ||||
| annual wall-rocket | ||||
| Diplotaxis tenuifolia | ||||
| perennial wall-rocket | ||||
| Dipsacus fullonum | ||||
| wild teasel | ||||
| Dipsacus pilosus | ||||
| small teasel | ||||
| Doronicum pardalianches | ||||
| leopard's-bane | ||||
| Drosera anglica | ||||
| great sundew | ||||
| Drosera intermedia | ||||
| oblong-leaved sundew | ||||
| Drosera rotundifolia | ||||
| round-leaved sundew | ||||
| Dryas octopetala | ||||
| mountain avens | ||||
| 27 | ||||