- Acacia constricta – Whitethorn Acacia
- Acacia greggii – Catclaw Acacia
- Acer grandidentatum – Bigtooth Maple
- Agave chrysantha – Goldenflower Century Plant
- Agave palmeri – Palmer's Century Plant
- Agave schottii – Schott's Century Plant
- Ambrosia ambrosioides – Ambrosia Leaf Bur Ragweed
- Ambrosia cordifolia – Tucson Bur Ragweed
- Ambrosia deltoidea – Triangle Bur Ragweed
- Anisacanthus thurberi – Thurber's Desert Honeysuckle
- Arceuthobium vaginatum – Pineland Dwarf Mistletoe
- Arctostaphylos pungens – Pointleaf Manzanita
- Arundo donax – Giant Reed
- Atriplex canescens – Fourwing Saltbush
- Baccharis salicifolia – Mule-fat
- Baccharis sarothroides – Desertbroom
- Bebbia juncea – Sweetbush
- Bouvardia ternifolia – Firecrackerbush
- Brickellia coulteri – Coulter's Brickellbush
- Caesalpinia gilliesii – Bird-of-paradise Shrub
- Calliandra eriophylla – Fairyduster
- Carlowrightia arizonica – Arizona Wrightwort
- Ceanothus fendleri – Fendler's Ceanothus
- Ceanothus greggii – Desert Ceanothus
- Celtis ehrenbergiana – Spiny Hackberry
- Celtis laevigata var. reticulata – Netleaf Hackberry
- Cephalanthus occidentalis – Common Buttonbush
- Chilopsis linearis – Desert Willow
- Coursetia glandulosa – Rosary Babybonnets
- Crossosoma bigelovii – Ragged Rockflower
- Cylindropuntia acanthocarpa – Buck-horn Cholla
- Cylindropuntia arbuscula – Arizona Pencil Cholla
- Cylindropuntia bigelovii – Teddybear Cholla
- Cylindropuntia fulgida – Jumping Cholla
- Cylindropuntia leptocaulis – Christmas Cactus
- Cylindropuntia spinosior – Walkingstick Cactus
- Cylindropuntia versicolor – Staghorn Cholla
- Dalea formosa – Featherplume
- Dalea pulchra – Santa Catalina Prairie Clover
- Dasylirion wheeleri – Common Sotol
- Dodonaea viscosa – Florida Hopbush
- Echinocereus fasciculatus – Pinkflower Hedgehog Cactus
- Echinocereus rigidissimus – Rainbow Hedgehog Cactus
- Echinocereus spp. – Claret-cup Cactus
- Encelia farinosa – Brittlebush
- Encelia frutescens – Button Brittlebush
- Ephedra trifurca – Longleaf Jointfir
- Ericameria laricifolia – Turpentine Bush
- Eriogonum fasciculatum – Eastern Mojave Buckwheat
- Erythrina flabelliformis – Coralbean
- Escobaria vivipara – Spinystar
- Fallugia paradoxa – Apache Plume
- Fendlera wrightii – Wright's Fendlerbush
- Ferocactus wislizeni – Candy Barrelcactus
- Fouquieria splendens – Ocotillo
- Gossypium thurberi – Thurber's Cotton
- Grusonia kunzei – Devil's Cholla
- Haplophyton crooksii – Cockroachplant
- Hibiscus coulteri – Desert Rosemallow
- Hyptis emoryi – Desert Lavender
- Jacquemontia pringlei – Pringle's Clustervine
- Jatropha cardiophylla – Sangre de Cristo
- Juniperus deppeana – Alligator Juniper
- Juniperus monosperma – Oneseed Juniper
- Justicia californica – Beloperone
- Krameria erecta – Littleleaf Ratany
- Krameria grayi – White Ratany
- Larrea tridentata – Creosote Bush
- Lycium pallidum – Pale Desert-thorn
- Mammillaria grahamii – Graham's Nipple Cactus
- Mammillaria heyderi var. macdougalii – Macdougal's Nipple Cactus
- Mimosa aculeaticarpa var. biuncifera – Catclaw Mimosa
- Mimosa dysocarpa – Velvetpod Mimosa
- Mortonia scabrella – Rio Grande Saddlebush
- Nerium oleander – Oleander
- Nicotiana glauca – Tree Tobacco
- Nolina microcarpa – Sacahuista
- Olneya tesota – Desert Ironwood
- Opuntia aciculata – Chenille Pricklypear
- Opuntia engelmannii – Cactus Apple
- Opuntia ficus-indica – Barbary Fig
- Opuntia microdasys – Angel's-wings
- Opuntia santa-rita – Santa Rita Pricklypear
- Parkinsonia aculeata – Jerusalem Thorn
- Parkinsonia florida – Blue Paloverde
- Parkinsonia microphylla – Yellow Paloverde
- Parthenium incanum – Mariola
- Peniocereus greggii – Nightblooming Cereus
- Penstemon pseudospectabilis – Desert Penstemon
- Phlox tenuifolia – Santa Catalina Mountain Phlox
- Phoradendron californicum – Mesquite Mistletoe
- Phoradendron juniperinum – Juniper Mistletoe
- Phoradendron macrophyllum – Colorado Desert Mistletoe
- Plumbago scandens – Doctorbush
- Prosopis velutina – Velvet Mesquite
- Purshia stansburiana – Stansbury Cliffrose
- Quercus gambelii – Gambel Oak
- Rhus trilobata – Skunkbush Sumac
- Rivina humilis – Rougeplant
- Robinia neomexicana – New Mexico Locust
- Sambucus nigra ssp. canadensis – American Black Elderberry
- Sapindus saponaria – Wingleaf Soapberry
- Senna hirsuta var. glaberrima – Woolly Senna
- Senna wislizeni – Wislizenus' Senna
- Simmondsia chinensis – Jojoba
- Tamarix spp. – Tamarisk
- Tecoma stans – Yellow Trumpetbush
- Trixis californica – American Threefold
- Vauquelinia californica – Arizona Rosewood
- Yucca baccata – Banana Yucca
- Yucca elata – Soaptree Yucca
- Yucca madrensis – Sierra Madre Yucca
Shrubs
Shrubs and bushes (a synonym) are woody plants with several main stems.
Listed below are some of the shrubs and bushes found in southeastern Arizona.