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- Hairy Desertsunflower - Desert Sunflower
- Hairy-Headed Sunflower - Desert Sunflower
- Hairy Milkweed - Rambling Milkweed
- Hairy Sand Verbena - Sand-verbena
- Hanging Chain Cholla - Jumping Cholla
- Harrison's Barberry - Kofa Mountain Barberry
- (- 1 -) Hedgehog Cactus - Echinocereus fendleri
- Hediondilla - Creosote bush
- Herissantia
- Hierba del Pasmo - Desert Broom
- Honey Mesquite - Prosopis glandulosa
See: Mesquite, Prosopis - (Florida)-Hopbush/Hopseed/Akeake - (See: Florida Hopbush), See: Dodonaea viscosa
- Hopseed - Hopbush/Hopseed/Akeake
- Humble Gilia - See Linanthus demissus
Read more about this topic: List Of Plants By Common Name (Sonoran Desert)