The Sonoran Desert is a North American desert and ecoregion which covers large parts of the southwestern United States and of northwestern Mexico. With an area of 260000 km2, it is the hottest desert in Mexico. The western portion of the Mexico–United States border passes through the Sonoran Desert. The Sonoran Desert region includes the Sonoran Desert and some surrounding areas. All of Sonora, the Baja California Peninsula, and the islands of the Gulf of California are included. Also included are parts of Sinaloa and Chihuahua, some Pacific islands off the coast of Baja California excluding Guadalupe Island), and southern Arizona and southern California in the United States. This region has 4,004 species of plants from 1201 genera in 182 families. Many lack common names. Many have more than one common name, but only one is listed. Native and non-native taxa are included.

Flora with common names

Flora of the Sonoran Desert Region include:

Acanthaceae

Achatocarpaceae

Adoxaceae

Aizoaceae

Alismataceae

Amaranthaceae

Amaryllidaceae

Anacardiaceae

Apiaceae

Apocynaceae

Aquifoliaceae

Araceae

Araliaceae

Arecaceae

Aristolochiaceae

Asparagaceae

Asphodelaceae

Aspleniaceae

Asteraceae

Bataceae

Berberidaceae

Betulaceae

Bignoniaceae

Bixaceae

Blechnaceae

Boraginaceae

Brassicaceae

Bromeliaceae

Burseraceae

Cactaceae

Campanulaceae

Cannabaceae

Capparaceae

Caprifoliaceae

Caricaceae

Caryophyllaceae

Celastraceae

Cistaceae

Cleomaceae

Combretaceae

Commelinaceae

Convolvulaceae

Cornaceae

Crassulaceae

Crossosomataceae

Cucurbitaceae

Cupressaceae

Cyperaceae

Dennstaedtiaceae

Dioscoreaceae

Dryopteridaceae

Ebenaceae

Elatinaceae

Ephedraceae

Equisetaceae

Ericaceae

Erythroxylaceae

Euphorbiaceae

Fabaceae

Fagaceae

Fouquieriaceae

Frankeniaceae

Garryaceae

Gelsemiaceae

Gentianaceae

Geraniaceae

Grossulariaceae

Haloragaceae

Hydrangeaceae

Hydrocharitaceae

Hydroleaceae

Hypericaceae

Hypoxidaceae

Iridaceae

Juglandaceae

Juncaceae

Juncaginaceae

Krameriaceae

Lamiaceae

Lauraceae

Lentibulariaceae

Liliaceae

Linaceae

Loasaceae

Loganiaceae

Lomariopsidaceae

Lythraceae

Malpighiaceae

Malvaceae

Marsileaceae

Martyniaceae

Melanthiaceae

Meliaceae

Menispermaceae

Menyanthaceae

Molluginaceae

Montiaceae

Moraceae

Myrtaceae

Nitrariaceae

Nyctaginaceae

Nymphaeaceae

Oleaceae

Onagraceae

Ophioglossaceae

Opiliaceae

Orchidaceae

Orobanchaceae

Oxalidaceae

Papaveraceae

Passifloraceae

Pedaliaceae

Phrymaceae

Phyllanthaceae

Phytolaccaceae

Picramniaceae

Picrodendraceae

Pinaceae

Piperaceae

Plantaginaceae

Platanaceae

Plumbaginaceae

Poaceae

Polemoniaceae

Polygalaceae

Polygonaceae

Polypodiaceae

Pontederiaceae

Portulacaceae

Potamogetonaceae

Primulaceae

Psilotaceae

Pteridaceae

Ranunculaceae

Resedaceae

Rhamnaceae

Rhizophoraceae

Rosaceae

Rubiaceae

Rutaceae

Salicaceae

Salviniaceae

Santalaceae

Sapindaceae

Sapotaceae

Saururaceae

Saxifragaceae

Schisandraceae

Schoepfiaceae

Scrophulariaceae

Selaginellaceae

Simaroubaceae

Simmondsiaceae

Solanaceae

Stegnospermataceae

Talinaceae

Tamaricaceae

Tetrachondraceae

Thelypteridaceae

Tropaeolaceae

Typhaceae

Ulmaceae

Urticaceae

Verbenaceae

Violaceae

Vitaceae

Woodsiaceae

Zamiaceae

Zygophyllaceae

Flora without common names by scientific name

Other flora of the Sonoran Desert Region include:

Acanthaceae

Amaranthaceae

Amaryllidaceae

Anacardiaceae

Anemiaceae

Apiaceae

Apocynaceae

Aquifoliaceae

Araceae

Asparagaceae

Asteraceae

Begoniaceae

Berberidaceae

Bignoniaceae

Blechnaceae

Boraginaceae

Brassicaceae

Bromeliaceae

Burseraceae

Cactaceae

Campanulaceae

Capparaceae

Caprifoliaceae

Caryophyllaceae

Celastraceae

Cistaceae

Cleomaceae

Clethraceae

Commelinaceae

Convolvulaceae

Crassulaceae

Cucurbitaceae

Cyperaceae

Dennstaedtiaceae

Dioscoreaceae

Dryopteridaceae

Ebenaceae

Ericaceae

Eriocaulaceae

Euphorbiaceae

Fabaceae

Fagaceae

Fouquieriaceae

Gentianaceae

Geraniaceae

Gesneriaceae

Grossulariaceae

Hydrangeaceae

Hypericaceae

Hypoxidaceae

Iridaceae

Juncaceae

Lamiaceae

Lauraceae

Lentibulariaceae

Liliaceae

Linaceae

Loasaceae

Loranthaceae

Lythraceae

Magnoliaceae

Malpighiaceae

Malvaceae

Melanthiaceae

Melastomataceae

Nyctaginaceae

Oleaceae

Onagraceae

Ophioglossaceae

Orchidaceae

Orobanchaceae

Oxalidaceae

Papaveraceae

Passifloraceae

Phrymaceae

Phyllanthaceae

Piperaceae

Plagiogyriaceae

Plantaginaceae

Poaceae

Podostemaceae

Polemoniaceae

Polygalaceae

Polypodiaceae

Pteridaceae

Putranjivaceae

Ranunculaceae

Rhamnaceae

Rosaceae

Rubiaceae

Rutaceae

Salicaceae

Santalaceae

Sapindaceae

Sapotaceae

Schoepfiaceae

Scrophulariaceae

Selaginellaceae

Smilacaceae

Solanaceae

Talinaceae

Urticaceae

Verbenaceae

Violaceae

Vitaceae

Woodsiaceae

Zygophyllaceae