Dahurian Buckthorn
Daisy
Dakota Barley
Dakota Gentian
Dakota Mock Vervain
Dalmatian Toadflax
Dames Rocket
Dandelion
Darkthroat Shootingstar
Darnel Ryegrass
Dayflower
Daylily
Deadly Nightshade
Deadnettle
Deathcamas
Deer Sedge
Deptford Pink
Desert Biscuitroot
Desert Goosefoot
Desert Madwort
Desert Princesplume
Desert Ragwort
Desert Wheatgrass
Desert-thorn
Desertparsley
Dewey Sedge
Diamondleaf Willow
Dill
Disc Mayweed
Disk Waterhyssop
Ditch Stonecrop
Diverseglume Wildrye
Dock
Dodder
Dogbane
Dogmustard
Dogwood
Dotted Blazing Star
Dotted Smartweed
Double Twinpod
Downy Arrowwood
Downy Gentian
Downy Hawthorn
Downy Paintedcup