- Decaisnea insignis
- Decemium appendiculatum
- Deinanthe bifida
- Delphinium brachycentrum
- Delphinium brunonianum
- Delphinium caeruleum
- Delphinium cashmerianum
- Delphinium denudatum
- Delphinium elatum
- Delphinium glaucum
- Delphinium menziesii
- Delphinium nudicaule