CATA Curricular CodeCATA Curricular CodeAgronomy Contest Agronomy Contest (v08)(v08)
Noxious WeedsNoxious Weeds
Prohibited, Restricted Noxious WeedsProhibited, Restricted Noxious Weeds
C020-01
Russian knapweed (Acroptilon repens) plant.Russian knapweed (Acroptilon repens) plant. J. M. DiTomasoJ. M. DiTomaso
C020-02
Russian knapweed (Acroptilon repens) flowering stem.Russian knapweed (Acroptilon repens) flowering stem. J. M. DiTomasoJ. M. DiTomaso
C020-03
Russian knapweed (Acroptilon repens) immature bolted stem.Russian knapweed (Acroptilon repens) immature bolted stem. J. M. DiTomasoJ. M. DiTomaso
C020-04
Russian knapweed (Acroptilon repens) plant following flower senescence.Russian knapweed (Acroptilon repens) plant following flower senescence.J. M. DiTomasoJ. M. DiTomaso
C020-05
Russian knapweed (Acroptilon repens) seedling.Russian knapweed (Acroptilon repens) seedling. J. M. DiTomasoJ. M. DiTomaso
C020-06
Russian knapweed (Acroptilon repens) seeds.Russian knapweed (Acroptilon repens) seeds. J. O’BrienJ. O’Brien
C247-08
Silver leaf nightshade (Solanum elaeagnifolium) plant. J. M. DiTomasoSilver leaf nightshade (Solanum elaeagnifolium) plant. J. M. DiTomaso
C247-09
Silver leaf nightshade (Solanum elaeagnifolium) flowering stem.Silver leaf nightshade (Solanum elaeagnifolium) flowering stem. J. M. DiTomaso J. M. DiTomaso
C247-10
Silver leaf nightshade (Solanum elaeagnifolium) flowers.Silver leaf nightshade (Solanum elaeagnifolium) flowers. J. M. DiTomasoJ. M. DiTomaso
C247-11
Silver leaf nightshade (Solanum elaeagnifolium) fruit.Silver leaf nightshade (Solanum elaeagnifolium) fruit. J. M. DiTomasoJ. M. DiTomaso
C247-12
Silver leaf nightshade (Solanum elaeagnifolium) seedling.Silver leaf nightshade (Solanum elaeagnifolium) seedling. J. K. ClarkJ. K. Clark
C247-13
Silver leaf nightshade (Solanum elaeagnifolium) seeds.Silver leaf nightshade (Solanum elaeagnifolium) seeds. J. K. ClarkJ. K. Clark
C078-04
White Top (Cardaria draba) plants.White Top (Cardaria draba) plants. J. M. DiTomasoJ. M. DiTomaso
C078-05
White Top (Cardaria draba) flowering stem.White Top (Cardaria draba) flowering stem. J. M. DiTomasoJ. M. DiTomaso
C078-06
White Top (Cardaria draba) fruit.White Top (Cardaria draba) fruit. J. M. DiTomasoJ. M. DiTomaso
C078-07
White Top (Cardaria draba) seedling.White Top (Cardaria draba) seedling. J. M. DiTomasoJ. M. DiTomaso
C078-08
White Top (Cardaria draba) seeds and fruit.White Top (Cardaria draba) seeds and fruit. J. O’BrienJ. O’Brien
C156-01
Alkali mallow (Malvella leprosa) plant.Alkali mallow (Malvella leprosa) plant. J. M. DiTomasoJ. M. DiTomaso
C156-02
Alkali mallow (Malvella leprosa) flowering stem.Alkali mallow (Malvella leprosa) flowering stem. J. M. DiTomasoJ. M. DiTomaso
C156-03
Alkali mallow (Malvella leprosa) seedling.Alkali mallow (Malvella leprosa) seedling. J. M. DiTomasoJ. M. DiTomaso
C156-04
Alkali mallow (Malvella leprosa) seeds.Alkali mallow (Malvella leprosa) seeds. J. O’BrienJ. O’Brien
C110-02
Young dodder (Cuscuta spp.) plant parasitizing a tomato plant.Young dodder (Cuscuta spp.) plant parasitizing a tomato plant. J. K. ClarkJ. K. Clark
C110-03
Dodder (Cuscuta pentagona) on a tomato plant.Dodder (Cuscuta pentagona) on a tomato plant. J. M. DiTomasoJ. M. DiTomaso
C110-04
Dodder (Cuscuta pentagona) flowers.Dodder (Cuscuta pentagona) flowers. J. M. DiTomasoJ. M. DiTomaso
C110-06
Dodder (Cuscuta subinclusa) flowers.Dodder (Cuscuta subinclusa) flowers. J. M. DiTomasoJ. M. DiTomaso
C104-01
Field bindweed (Convolvulus arvensis) in field.Field bindweed (Convolvulus arvensis) in field. J. K. ClarkJ. K. Clark
C104-02
Field bindweed (Convolvulus arvensis) white flower form.Field bindweed (Convolvulus arvensis) white flower form. J. M. DiTomasoJ. M. DiTomaso
C104-03
Field bindweed (Convolvulus arvensis) pink flower form.Field bindweed (Convolvulus arvensis) pink flower form. J. M. DiTomasoJ. M. DiTomaso
C104-04
Field bindweed (Convolvulus arvensis) foliage.Field bindweed (Convolvulus arvensis) foliage. J. M. DiTomasoJ. M. DiTomaso
C104-05
Field bindweed (Convolvulus arvensis) seedling.Field bindweed (Convolvulus arvensis) seedling. J. M. DiTomasoJ. M. DiTomaso
C104-06
Field bindweed (Convolvulus arvensis) seeds.Field bindweed (Convolvulus arvensis) seeds. J. O’BrienJ. O’Brien
C029-11
Italian thistle (Carduus pycnocephalus) plant.Italian thistle (Carduus pycnocephalus) plant. J. M. DiTomasoJ. M. DiTomaso
C029-12
Italian thistle (Carduus pycnocephalus) flowering stem.Italian thistle (Carduus pycnocephalus) flowering stem. J. M. DiTomasoJ. M. DiTomaso
C029-13
Italian thistle (Carduus pycnocephalus) rosette.Italian thistle (Carduus pycnocephalus) rosette. J. M. DiTomasoJ. M. DiTomaso
C029-14
Italian thistle (Carduus pycnocephalus) seedlings.Italian thistle (Carduus pycnocephalus) seedlings. J. M. DiTomasoJ. M. DiTomaso
C029-15
Italian thistle (Carduus pycnocephalus) seeds.Italian thistle (Carduus pycnocephalus) seeds. J. O’BrienJ. O’Brien
C212-05
Johnsongrass (Sorghum halepense) plant.Johnsongrass (Sorghum halepense) plant. J. M. DiTomasoJ. M. DiTomaso
C212-06
Johnsongrass (Sorghum halepense) plant with some inflorescences containing a Johnsongrass (Sorghum halepense) plant with some inflorescences containing a fungus.fungus. J. M. DiTomasoJ. M. DiTomaso
C212-07
Johnsongrass (Sorghum halepense) inflorescence.Johnsongrass (Sorghum halepense) inflorescence. J. M. DiTomasoJ. M. DiTomaso
C212-08
Johnsongrass (Sorghum halepense) inflorescence with a fungus.Johnsongrass (Sorghum halepense) inflorescence with a fungus. J. M. J. M. DiTomasoDiTomaso
C212-09
Johnsongrass (Sorghum halepense) rhizomes.Johnsongrass (Sorghum halepense) rhizomes. J. K. ClarkJ. K. Clark
C212-10
Johnsongrass (Sorghum halepense) ligule and collar.Johnsongrass (Sorghum halepense) ligule and collar. J. K. ClarkJ. K. Clark
C212-11
Johnsongrass (Sorghum halepense) collar and sheath.Johnsongrass (Sorghum halepense) collar and sheath. J. M. DiTomasoJ. M. DiTomaso
C212-12
Johnsongrass (Sorghum halepense) seedling.Johnsongrass (Sorghum halepense) seedling. J. K. ClarkJ. K. Clark
C212-13
Johnsongrass (Sorghum halepense) florets.Johnsongrass (Sorghum halepense) florets. J. K. ClarkJ. K. Clark
C141-01
Common St. Johnswort (Hypericum perforatum) infestation.Common St. Johnswort (Hypericum perforatum) infestation. J. M. DiTomasoJ. M. DiTomaso
C141-02
Common St. Johnswort (Hypericum perforatum) plant.Common St. Johnswort (Hypericum perforatum) plant. J. M. DiTomasoJ. M. DiTomaso
C141-03
Common St. Johnswort (Hypericum perforatum) flower.Common St. Johnswort (Hypericum perforatum) flower. J. M. DiTomasoJ. M. DiTomaso
C141-04
Common St. Johnswort (Hypericum perforatum) sprout from rhizome.Common St. Johnswort (Hypericum perforatum) sprout from rhizome.J. M. DiTomasoJ. M. DiTomaso
C141-05
Common St. Johnswort (Hypericum perforatum) seedling.Common St. Johnswort (Hypericum perforatum) seedling. J. M. DiTomasoJ. M. DiTomaso
C141-06
Common St. Johnswort (Hypericum perforatum) seeds.Common St. Johnswort (Hypericum perforatum) seeds. J. O’BrienJ. O’Brien
C111-02
Nutsedge (Cyperus esculentus) inflorescence.Nutsedge (Cyperus esculentus) inflorescence. J. M. DiTomasoJ. M. DiTomaso
C111-03
Nutsedge (Cyperus esculentus) young plant.Nutsedge (Cyperus esculentus) young plant. J. M. DiTomasoJ. M. DiTomaso
C111-04
Yellow nutsedge (Cyperus esculentus) tubers.Yellow nutsedge (Cyperus esculentus) tubers. J. M. DiTomasoJ. M. DiTomaso
C111-05
Nutsedge (Cyperus esculentus) seeds and spikelets.Nutsedge (Cyperus esculentus) seeds and spikelets. J. O’BrienJ. O’Brien
C111-06
Nutsedge (Cyperus rotundus) plant.Nutsedge (Cyperus rotundus) plant. J. M. DiTomasoJ. M. DiTomaso
C111-07
Nutsedge (Cyperus rotundus) inflorescence.Nutsedge (Cyperus rotundus) inflorescence. J. M. DiTomasoJ. M. DiTomaso
C111-08
Nutsedge (Cyperus rotundus) plant with tubers and rhizomes.Nutsedge (Cyperus rotundus) plant with tubers and rhizomes.J. M. DiTomasoJ. M. DiTomaso
C111-09
Nutsedge (Cyperus rotundus) tubers.Nutsedge (Cyperus rotundus) tubers. J. M. DiTomasoJ. M. DiTomaso
C254-01
Puncturevine (Tribulus terrestris) infestation along a roadside.Puncturevine (Tribulus terrestris) infestation along a roadside. J. M. DiTomasoJ. M. DiTomaso
C254-02
Puncturevine (Tribulus terrestris) plant.Puncturevine (Tribulus terrestris) plant. J. M. DiTomasoJ. M. DiTomaso
C254-03
Puncturevine (Tribulus terrestris) flowers and fruit.Puncturevine (Tribulus terrestris) flowers and fruit. J. M. DiTomasoJ. M. DiTomaso
C254-04
Puncturevine (Tribulus terrestris) fruit.Puncturevine (Tribulus terrestris) fruit. J. M. DiTomasoJ. M. DiTomaso
C254-05
Puncturevine (Tribulus terrestris) fruit with biocontrol agent.Puncturevine (Tribulus terrestris) fruit with biocontrol agent. J. M. DiTomasoJ. M. DiTomaso
C254-06
Puncturevine (Tribulus terrestris) seedling.Puncturevine (Tribulus terrestris) seedling. J. K. ClarkJ. K. Clark
C254-07
Puncturevine (Tribulus terrestris) seeds.Puncturevine (Tribulus terrestris) seeds. J. K. ClarkJ. K. Clark
C182-03
Field sandbur (Cenchrus incertus) plant.Field sandbur (Cenchrus incertus) plant. J. M. DiTomasoJ. M. DiTomaso
C182-04
Field sandbur (Cenchrus incertus) inflorescence.Field sandbur (Cenchrus incertus) inflorescence. J. M. DiTomasoJ. M. DiTomaso
C182-05
Field sandbur (Cenchrus incertus) collar and sheath.Field sandbur (Cenchrus incertus) collar and sheath. J. M. DiTomasoJ. M. DiTomaso
C182-06
Field sandbur (Cenchrus incertus) spikelets.Field sandbur (Cenchrus incertus) spikelets. J. O’BrienJ. O’Brien
C032-07
Yellow starthistle (Centaurea solstitialis) plant.Yellow starthistle (Centaurea solstitialis) plant. J. M. DiTomasoJ. M. DiTomaso
C032-08
Yellow starthistle (Centaurea solstitialis) flower head.Yellow starthistle (Centaurea solstitialis) flower head. J. K. ClarkJ. K. Clark
C032-09
Yellow starthistle (Centaurea solstitialis) seedling.Yellow starthistle (Centaurea solstitialis) seedling. J. M. DiTomasoJ. M. DiTomaso
C032-10
Yellow starthistle (Centaurea solstitialis) seeds.Yellow starthistle (Centaurea solstitialis) seeds. J. O’BrienJ. O’Brien