Arizona Noxious Weeds

Plant Services Division. 2005. Prohibited, regulated and restricted noxious weeds. Arizona Department of Agriculture.

Subject Name Scientific Name Family Order
tropical soda apple Solanum viarum Dunal Solanaceae Solanales
alligatorweed Alternanthera philoxeroides (Mart.) Griseb. Amaranthaceae Caryophyllales
giant salvinia Salvinia molesta D. S. Mitchell Salviniaceae Hydropteridales
Canada thistle Cirsium arvense (L.) Scop. Asteraceae Asterales
spotted knapweed Centaurea stoebe ssp. micranthos (Gugler) Hayek Asteraceae Asterales
common water hyacinth Eichhornia crassipes (Mart.) Solms Pontederiaceae Liliales
hydrilla Hydrilla verticillata (L. f.) Royle Hydrocharitaceae Hydrocharitales
purple loosestrife Lythrum salicaria L. Lythraceae Myrtales
torpedograss Panicum repens L. Poaceae Cyperales
spiny plumeless thistle Carduus acanthoides L. Asteraceae Asterales
leafy spurge Euphorbia esula L. Euphorbiaceae Euphorbiales
European water chestnut Trapa natans L. Trapaceae Myrtales
puncturevine Tribulus terrestris L. Zygophyllaceae Sapindales
field bindweed Convolvulus arvensis L. Convolvulaceae Solanales
squarrose knapweed Centaurea virgata Lam. Asteraceae Asterales
Russian knapweed Rhaponticum repens (L.) Hidalgo Asteraceae Asterales
yellow starthistle Centaurea solstitialis L. Asteraceae Asterales
rush skeletonweed Chondrilla juncea L. Asteraceae Asterales
Scotch thistle Onopordum acanthium L. Asteraceae Asterales
diffuse knapweed Centaurea diffusa Lam. Asteraceae Asterales
alfombrilla Drymaria arenarioides Humboldt & Bonpland Caryophyllaceae Caryophyllales
serrated tussock Nassella trichotoma Hackel ex Arech. Poaceae Cyperales
witchweed Striga asiatica (L.) Kuntze Scrophulariaceae Scrophulariales
purple witchweed Striga hermonthica (Del.) Benth Scrophulariaceae Scrophulariales
cowpea witchweed Striga gesnerioides (Willd.) Vatke Scrophulariaceae Scrophulariales
branched broomrape Phelipanche ramosa (L.) Pomel Orobanchaceae Scrophulariales
Dyer's woad Isatis tinctoria L. Brassicaceae Capparales
anchored waterhyacinth Eichhornia azurea (Swartz) Kunth Pontederiaceae Liliales
dodder Cuscuta spp. L. Cuscutaceae Solanales
witchweed Striga spp. Lour. Scrophulariaceae Scrophulariales
punagrass Achnatherum brachychaetum (Godr.) Barkworth Poaceae Cyperales
jointed goatgrass Aegilops cylindrica Host Poaceae Cyperales
camelthorn Alhagi maurorum Medik Fabaceae (Leguminosae) Fabales
orbicular whitetop Lepidium chalepense L. Brassicaceae Capparales
hoary cress Lepidium draba (L.) Desv Brassicaceae Capparales
purple starthistle Centaurea calcitrapa L. Asteraceae Asterales
southern sandbur Cenchrus echinatus L. Poaceae Cyperales
Iberian starthistle Centaurea iberica Trev. ex Spreng Asteraceae Asterales
field sandbur Cenchrus spinifex Cav. Poaceae Cyperales
sulphur knapweed Centaurea sulphurea Willd Asteraceae Asterales
greater swinecress Coronopus squamatus (Forsk.) Aschers. Brassicaceae Capparales
Japanese dodder Cuscuta japonica Choisy Cuscutaceae Solanales
melon Cucumis melo L Cucurbitaceae Violales
quackgrass Elymus repens (L.) Gould Poaceae Cyperales
halogeton Halogeton glomeratus (Bieb.) C.A. Mey. Chenopodiaceae Caryophyllales
Texas blueweed Helianthus ciliaris DC. Asteraceae Asterales
threelobe morning-glory Ipomoea triloba L. Convolvulaceae Solanales
Dalmatian toadflax Linaria dalmatica (L.) P. Mill. Scrophulariaceae Scrophulariales
California burclover Medicago polymorpha L. Fabaceae (Leguminosae) Fabales
African rue Peganum harmala L. Zygophyllaceae Sapindales
common purslane Portulaca oleracea L. Portulacaceae Caryophyllales
Austrian fieldcress Rorippa austriaca (Crantz) Bess. Brassicaceae Capparales
perennial sowthistle Sonchus arvensis L. Asteraceae Asterales
horsenettle Solanum carolinense L. Solanaceae Solanales
morning-glory Ipomoea spp. L. Convolvulaceae Solanales
hawk's eye Euryops multifidus (Thunb.) DC. Asteraceae Asterales
Cenchrus ciliare L. Poaceae Cyperales
hairy whitetop Lepidium appelianum Al-Shehbaz Brassicaceae Capparales
tansy ragwort Jacobaea vulgaris Gaertn. Asteraceae Asterales