Noxious Weeds
R3-4-245. Noxious Weeds
- Definitions. In addition to the definitions provided in A.R.S. § 3-201, A.A.C. R3-4-101 and R3-4-201, the following apply to this Section:
- “Class A Noxious Weed” is categorized as a species of plant that is not known to exist or of limited distribution in the State and is a high priority pest for quarantine, control, or mitigation, Class A noxious weeds are listed in Table 4.
- “Class B Noxious Weed” is categorized as a species of plant that is known to occur, but of limited distribution in the State and may be a high priority pest for quarantine, control or mitigation if a significant threat to a crop, commodity, or habitat is known to exist. Class B noxious weeds are listed in Table 5.
- “Class C Noxious Weed” is categorized as a species of plant that is widespread but may be recommended for active control based on risk assessment. Class C noxious weeds are listed in Table 6.
- Restrictions:
- No Class A, B, or C Noxious Weed, or commodity infested or contaminated with a Class A, B, or C Noxious Weed, shall be admitted into the state unless otherwise authorized by the Associate Director.
- The Department may quarantine and abate an area infested or contaminated with a Class A or Class B Noxious Weed if it has been determined by the Associate Director that an imminent threat to agriculture or horticulture exists.
Class A Noxious Weeds
|
Common name |
Scientific name |
|
African rue |
Peganum harmala |
|
Canada thistle |
Cirsium arvense |
|
Dudaim melon |
Cucumis melo v. Dudaim Naudin |
|
Dyer's woad |
Isatis tinctoria |
|
Floating water hyacinth |
Eichhornia crassipes |
|
Giant salvinia |
Salvinia molesta |
|
Globe-podded hoary cress |
Cardaria draba |
|
Hydrilla |
Hydrilla verticillata |
|
Leafy spurge |
Euphorbia esula |
|
Plumeless thistle |
Carduus acanthoides |
|
Purple loosestrife |
Lythrum salicaria |
|
Purple starthistle |
Centaurea calcitrapa |
|
Quackgrass |
Elymus repens (Elytrigia repens) |
|
Rush skeletonweed |
Chondrilla juncea |
|
Southern sandbur |
Cenchrus echinatus |
|
Spotted knapweed |
Centaurea stoebe ssp. micranthos |
|
Sweet resinbush |
Euryops subcarnosus |
|
Ward’s weed |
Carrichtera annua |
|
Wild mustard |
Sinapis arvensis |
Class B noxious weeds
|
Common name |
Scientific name |
|
Black mustard |
Brassica nigra |
|
Branched broomrape |
Orobanche ramosa |
|
Bull thistle |
Cirsium vulgare |
|
Camelthorn |
Alhagi maurorum (A. pseudalhagi) |
|
Dalmatian toadflax |
Linaria dalmatica (L genistifolia v. dalmatica) |
|
Diffuse knapweed |
Centaurea diffusa |
|
Field sandbur |
Cenchrus spinifex (synonym: C. incertus) |
|
Giant reed |
Arundo donax |
|
Halogeton |
Halogeton glomeratus |
|
Jointed goatgrass |
Aegilops cylindrica |
|
Malta starthistle |
Centaurea melitensis |
|
Musk thistle |
Carduus nutans |
|
Natal grass |
Melinis repens |
|
Onionweed |
Asphodelus fistulosus |
|
Russian knapweed |
Acroptilon repens |
|
Russian olive |
Elaeagnus angustifolia |
|
Saharan mustard |
Brassica tournefortii |
|
Stinknet (Globe chamomile) |
Oncosiphon piluliferum |
|
Scotch thistle |
Onopordum acanthium |
|
Yellow bluestem |
Bothriochloa ischaemum |
|
Yellow starthistle |
Centaurea solstitialis |
Class C noxious weeds
|
Common name |
Scientific name |
|
Buffelgrass |
Cenchrus ciliaris (Pennisetum ciliare) |
|
Field bindweed |
Convolvulus arvensis |
|
Fountain grass |
Pennisetum setaceum |
|
Garden or common morning glory |
Ipomoea purpurea |
|
Grannyvine |
Ipomoea tricolor |
|
Ivy-leaf morning glory |
Ipomoea hederacea |
|
Johnsongrass |
Sorghum halepense |
|
Kochia |
Kochia scoparia |
|
Morning glory |
Ipomoea triloba |
|
Morning glory |
Ipomoea x leucantha |
|
Puncturevine |
Tribulus terrestris |
|
Salt cedar |
Tamarix ramosissima |
|
Tree of heaven |
Ailanthus altissima |