Galleta Grass
Gambel Oak
Garden Asparagus
Garden Cornflower
Garden Cosmos
Garden Cucumber
Garden Hyacinth
Garden Orache
Garden Pea
Garden Rhubarb
Garden Snapdragon
Garden Tomato
Garden Yellowrocket
Gardencress Pepperweed
Garlic Mustard
Gate Canyon Buckwheat
Gentian
Geranium
German Chamomile
German Iris
German-madwort
Germander
Geyer Willow
Geysers Panicgrass
Giant Blue Eyed Mary
Giant Dropseed
Giant Goldenrod
Giant Hyssop
Giant Lousewort
Giant Red Indian Paintbrush
Giant Reed
Giant Sandreed
Gibraltar Candytuft
Gila River Dodder
Gilia
Gilia Beardtongue
Ginseng
Glandular Phacelia
Glandular Threadplant
Glandular Willowherb
Glandular Yellow Phacelia
Glaucous Bluegrass
Glaucus Willowherb
Glechoma