Iowa

• Adair 19001
  393 taxa Open ↗
• Adams 19003
  200 taxa Open ↗
• Allamakee 19005
  118 taxa Open ↗
• Appanoose 19007
  38 taxa Open ↗
• Audubon 19009
  225 taxa Open ↗
• Benton 19011
  21 taxa Open ↗
• Black Hawk 19013
  33 taxa Open ↗
• Boone 19015
  146 taxa Open ↗
• Bremer 19017
  24 taxa Open ↗
• Buchanan 19019
  16 taxa Open ↗

Showing 101–150 of 343 (introduced).

• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae 3 counties
• 
  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae 35 counties
• 
  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae 40 counties
• 
  Dipsacus fullonum L. Introduced DIFU2

  Fuller's teasel · Dipsacaceae 2 counties
• 
  Dipsacus laciniatus L. Introduced DILA4

  cutleaf teasel · Dipsacaceae 2 counties
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae 34 counties
• 
  Echium vulgare L. Introduced ECVU

  common viper's bugloss · Boraginaceae 4 counties
• 
  Elaeagnus angustifolia L. Introduced ELAN

  Russian olive · Elaeagnaceae 6 counties
• 
  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae 13 counties
• 
  Elymus repens (L.) Gould Introduced ELRE4

  quackgrass · Poaceae 40 counties
• 
  Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

  stinkgrass · Poaceae 45 counties
• 
  Eruca vesicaria (L.) Cav. Introduced ERVE5

  rocketsalad · Brassicaceae 2 counties
• 
  Eruca vesicaria (L.) Cav. ssp. sativa (Mill.) Thell. Introduced ERVES

  rocketsalad · Brassicaceae 2 counties
• 
  Erysimum cheiranthoides L. Introduced ERCH9

  wormseed wallflower · Brassicaceae 9 counties
• 
  Erysimum hieraciifolium L. Introduced ERHI8

  European wallflower · Brassicaceae 1 county
• 
  Erysimum repandum L. Introduced ERRE4

  spreading wallflower · Brassicaceae 1 county
• 
  Euonymus alatus (Thunb.) Siebold Introduced EUAL13

  burningbush · Celastraceae 1 county
• 
  Euonymus alatus (Thunb.) Siebold var. alatus Introduced EUALA2

  burningbush · Celastraceae 1 county
• 
  Euphorbia agraria M. Bieb. Introduced EUAG

  urban spurge · Euphorbiaceae 9 counties
• 
  Euphorbia cyparissias L. Introduced EUCY2

  cypress spurge · Euphorbiaceae 10 counties
• 
  Euphorbia davidii Subils Introduced EUDA5

  David's spurge · Euphorbiaceae 22 counties
• 
  Euphorbia esula L. Introduced EUES

  leafy spurge · Euphorbiaceae 14 counties
• 
  Euphorbia esula L. var. esula Introduced EUESE

  leafy spurge · Euphorbiaceae 12 counties
• 
  Euphorbia helioscopia L. Introduced EUHE2

  madwoman's milk · Euphorbiaceae 1 county
• 
  Fagopyrum esculentum Moench Introduced FAES2

  buckwheat · Polygonaceae 6 counties
• 
  Falcaria vulgaris Bernh. Introduced FAVU

  sickleweed · Apiaceae 2 counties
• 
  Festuca brevipila Tracey Introduced FEBR7

  hard fescue · Poaceae 1 county
• 
  Foeniculum vulgare Mill. Introduced FOVU

  sweet fennel · Apiaceae 1 county
• 
  Fumaria officinalis L. Introduced FUOF

  drug fumitory · Fumariaceae 1 county
• 
  Fumaria officinalis L. ssp. officinalis Introduced FUOFO

  drug fumitory · Fumariaceae 1 county
• 
  Fumaria vaillantii Loisel. Introduced FUVA

  earthsmoke · Fumariaceae 1 county
• 
  Galinsoga parviflora Cav. Introduced GAPA2

  gallant soldier · Asteraceae 1 county
• 
  Galinsoga quadriradiata Cav. Introduced GAQU

  shaggy soldier · Asteraceae 8 counties
• 
  Galium verum L. Introduced GAVE

  Yellow Spring bedstraw · Rubiaceae 2 counties
• 
  Galium verum L. var. verum Introduced GAVEV

  Yellow Spring bedstraw · Rubiaceae 2 counties
• 
  Glechoma hederacea L. Introduced GLHE2

  ground ivy · Lamiaceae 13 counties
• 
  Glycine max (L.) Merr. Introduced GLMA4

  soybean · Fabaceae 1 county
• 
  Hemerocallis fulva (L.) L. Introduced HEFU

  orange daylily · Liliaceae 2 counties
• 
  Hesperis matronalis L. Introduced HEMA3

  dames rocket · Brassicaceae 4 counties
• 
  Hibiscus trionum L. Introduced HITR

  flower of an hour · Malvaceae 16 counties
• 
  Hosta lancifolia (Thunb.) Engl. Introduced HOLA3

  narrowleaf plantain lily · Liliaceae 1 county
• 
  Humulus japonicus Siebold & Zucc. Introduced HUJA

  Japanese hop · Cannabaceae 4 counties
• 
  Humulus lupulus L. var. lupulus Introduced HULUL2

  common hop · Cannabaceae 1 county
• 
  Hypericum perforatum L. Introduced HYPE

  common St. Johnswort · Clusiaceae 11 counties
• 
  Ipomoea coccinea L. Introduced IPCO3

  redstar · Convolvulaceae 1 county
• 
  Ipomoea hederacea Jacq. Introduced IPHE

  ivyleaf morning-glory · Convolvulaceae 4 counties
• 
  Ipomoea purpurea (L.) Roth Introduced IPPU2

  tall morning-glory · Convolvulaceae 7 counties
• 
  Kummerowia stipulacea (Maxim.) Makino Introduced KUST

  Korean clover · Fabaceae 12 counties
• 
  Lactuca saligna L. Introduced LASA

  willowleaf lettuce · Asteraceae 1 county
• 
  Lactuca serriola L. Introduced LASE

  prickly lettuce · Asteraceae 19 counties