- Acacia greggii – Catclaw Acacia
- Almutaster pauciflorus – Alkali Marsh Aster
- Amaranthus palmeri – Carelessweed
- Anagallis arvensis – Scarlet Pimpernel
- Anagallis arvensis ssp. foemina – Poorman's Weatherglass
- Anemopsis californica – Yerba Mansa
- Anisacanthus thurberi – Thurber's Desert Honeysuckle
- Aquilegia chrysantha – Golden Columbine
- Arida arizonica – Arid Tansyaster
- Aristolochia watsonii – Watson's Dutchman's Pipe
- Arundo donax – Giant Reed
- Asclepias angustifolia – Arizona Milkweed
- Baccharis salicifolia – Mule-fat
- Baccharis sarothroides – Desertbroom
- Bidens aurea – Arizona Beggarticks
- Calibrachoa parviflora – Seaside Petunia
- Capsella bursa-pastoris – Shepherd's Purse
- Celtis laevigata var. reticulata – Netleaf Hackberry
- Centaurium arizonicum – Arizona Centaury
- Cephalanthus occidentalis – Common Buttonbush
- Chilopsis linearis – Desert Willow
- Chorispora tenella – Crossflower
- Claytonia perfoliata – Miner's Lettuce
- Clematis drummondii – Drummond's Clematis
- Convolvulus arvensis – Field Bindweed
- Conyza canadensis – Canadian Horseweed
- Cuscuta spp. – Dodder
- Dicliptera resupinata – Arizona Foldwing
- Echinopepon wrightii – Wild Balsam Apple
- Epilobium canum ssp. latifolium – Hummingbird Trumpet
- Equisetum hyemale – Scouringrush Horsetail
- Fraxinus velutina – Velvet Ash
- Funastrum cynanchoides – Fringed Twinevine
- Galium aparine – Stickywilly
- Heracleum maximum – Common Cowparsnip
- Hydrocotyle ranunculoides – Floating Marshpennywort
- Ipomoea cristulata – Trans-Pecos Morning-glory
- Ipomoea hederacea – Ivyleaf Morning-glory
- Juglans major – Arizona Walnut
- Lactuca serriola – Prickly Lettuce
- Lamium amplexicaule – Henbit Deadnettle
- Lobelia cardinalis – Cardinalflower
- Lycium pallidum – Pale Desert-thorn
- Lythrum californicum – California Loosestrife
- Malva parviflora – Cheeseweed Mallow
- Marah gilensis – Gila Manroot
- Marrubium vulgare – Horehound
- Maurandella antirrhiniflora – Roving Sailor
- Mecardonia procumbens – Baby Jump-up
- Medicago lupulina – Black Medick
- Melilotus indicus – Annual Yellow Sweetclover
- Mimetanthe pilosa – False Monkeyflower
- Mimulus cardinalis – Scarlet Monkeyflower
- Mimulus guttatus – Seep Monkeyflower
- Mimulus rubellus – Little Redstem Monkeyflower
- Mirabilis longiflora – Sweet Four O'Clock
- Modiola caroliniana – Carolina Bristlemallow
- Nasturtium officinale – Watercress
- Nerium oleander – Oleander
- Nicotiana glauca – Tree Tobacco
- Nothoscordum bivalve – Crowpoison
- Nymphaea mexicana – Yellow Waterlily
- Oenothera elata – Hooker's Evening Primrose
- Oenothera rosea – Rose Evening Primrose
- Oxalis corniculata – Creeping Woodsorrel
- Parkinsonia aculeata – Jerusalem Thorn
- Parkinsonia florida – Blue Paloverde
- Passiflora caerulea – Bluecrown Passionflower
- Passiflora mexicana – Mexican Passionflower
- Pennisetum setaceum – Crimson Fountaingrass
- Phaseolus acutifolius var. tenuifolius – Tepary Bean
- Phoradendron macrophyllum – Colorado Desert Mistletoe
- Physalis acutifolia – Sharpleaf Groundcherry
- Platanus wrightii – Arizona Sycamore
- Plumbago scandens – Doctorbush
- Polanisia dodecandra – Redwhisker Clammyweed
- Polygonum pensylvanicum – Pennsylvania Smartweed
- Populus fremontii – Fremont Cottonwood
- Portulaca oleracea – Little Hogweed
- Portulaca umbraticola – Wingpod Purslane
- Potentilla thurberi – Scarlet Cinquefoil
- Prosopis velutina – Velvet Mesquite
- Rhus lancea – African Sumac
- Rhynchosida physocalyx – Buffpetal
- Rivina humilis – Rougeplant
- Robinia neomexicana – New Mexico Locust
- Ruellia nudiflora – Violet Wild Petunia
- Salix gooddingii – Goodding's Willow
- Sambucus nigra ssp. canadensis – American Black Elderberry
- Sapindus saponaria – Wingleaf Soapberry
- Scrophularia parviflora – Pineland Figwort
- Senna hirsuta var. glaberrima – Woolly Senna
- Sisymbrium irio – London Rocket
- Sisyrinchium demissum – Stiff Blue-eyed Grass
- Solanum americanum – American Black Nightshade
- Sonchus asper – Spiny Sowthistle
- Sonchus oleraceus – Common Sowthistle
- Stachys coccinea – Scarlet Hedgenettle
- Stemodia durantifolia – Whitewoolly Twintip
- Talinum paniculatum – Jewels of Opar
- Tamarix spp. – Tamarisk
- Taraxacum officinale – Common Dandelion
- Tradescantia occidentalis – Prairie Spiderwort
- Trianthema portulacastrum – Desert Horsepurslane
- Triodanis holzingeri – Holzinger's Venus' Looking-glass
- Verbesina encelioides – Golden Crownbeard
- Veronica anagallis-aquatica – Water Speedwell
- Vinca major – Bigleaf Periwinkle
- Viola canadensis – Canadian White Violet
- Vitis arizonica – Canyon Grape
- Wislizenia refracta – Spectacle Fruit
- Xanthium strumarium – Rough Cocklebur
Riparian and Wetland Plants
Riparian means on the river bank, and riparian areas are found along rivers, streams, washes, or in canyons. Wetlands are low-lying areas like marshes with soil that is periodically saturated with water.
Listed below are some of the southeastern Arizona wildflowers and plants that can be found growing in riparian areas and/or in wetlands.