A very brief listing of shrubs of the american southwest: More to be added later!
Acanthus Family: Acanthaceae
Moschatel Family: Adoxaceae
Amaranth Family: Amaranthaceae
Sumac Family: Anacardiaceae
Sunflower Family: Asteraceae
Honeysuckle Family: Caprifoliaceae
Beeplants and Bladderpods: Cleomeaceae
Crossosoma Family: Crossosomataceae
Ephedra Family: Ephedraceae
Heath Family: Ericaceae
Pea Family: Fabaceae
Ocotillo Family: Fouquieriaceae
Silktassel Family: Garryaceae
Currant and Gooseberry Family: Grossulariaceae
Mock Orange Family: Hydrangeaceae
Rhatany Family: Krameriacee
Oleaster Family: Oleaceae
Buckthorn Family: Rhamnaceae
Rose Family: Rosaceae
Citrus Family: Rutaceae
Jojoba Family: Simmondsiaceae
Tamarisk Family: Tamaricaceae
Caltrop Family: Zygophyllaceae