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 201–250 of 343 (introduced).

• 
  Myosoton aquaticum (L.) Moench Introduced MYAQ

  giantchickweed · Caryophyllaceae 2 counties
• 
  Narcissus pseudonarcissus L. Introduced NAPS

  daffodil · Liliaceae 1 county
• 
  Nasturtium officinale W.T. Aiton Introduced NAOF

  watercress · Brassicaceae 6 counties
• 
  Nepeta cataria L. Introduced NECA2

  catnip · Lamiaceae 29 counties
• 
  Neslia paniculata (L.) Desv. Introduced NEPA3

  ballmustard · Brassicaceae 3 counties
• 
  Nicandra physalodes (L.) Scop. Introduced NIPH

  apple of Peru · Solanaceae 2 counties
• 
  Ocimum basilicum L. Introduced OCBA

  sweet basil · Lamiaceae 1 county
• 
  Ornithogalum umbellatum L. Introduced ORUM

  star of Bethlehem · Liliaceae 2 counties
• 
  Panicum miliaceum L. Introduced PAMI2

  proso millet · Poaceae 9 counties
• 
  Panicum miliaceum L. ssp. miliaceum Introduced PAMIM

  broomcorn millet · Poaceae 9 counties
• 
  Parthenocissus tricuspidata (Siebold & Zucc.) Planch. Introduced PATR6

  Boston ivy · Vitaceae 1 county
• 
  Pastinaca sativa L. Introduced PASA2

  wild parsnip · Apiaceae 34 counties
• 
  Pennisetum glaucum (L.) R. Br. Introduced PEGL2

  pearl millet · Poaceae 40 counties
• 
  Perilla frutescens (L.) Britton Introduced PEFR4

  beefsteakplant · Lamiaceae 1 county
• 
  Petunia axillaris (Lam.) Britton, Sterns & Poggenb. Introduced PEAX

  large white petunia · Solanaceae 1 county
• 
  Petunia integrifolia (Hook.) Schinz & Thell. Introduced PEIN5

  violetflower petunia · Solanaceae 1 county
• 
  Phalaris canariensis L. Introduced PHCA5

  annual canarygrass · Poaceae 8 counties
• 
  Phleum pratense L. Introduced PHPR3

  timothy · Poaceae 38 counties
• 
  Phragmites australis (Cav.) Trin. ex Steud. ssp. australis Introduced PHAUA7

  European common reed · Poaceae 1 county
• 
  Physalis philadelphica Lam. Introduced PHPH2

  Mexican groundcherry · Solanaceae 1 county
• 
  Physalis philadelphica Lam. var. immaculata Waterf. Introduced PHPHI

  Mexican groundcherry · Solanaceae 1 county
• 
  Picris echioides L. Introduced PIEC

  bristly oxtongue · Asteraceae 1 county
• 
  Plantago lanceolata L. Introduced PLLA

  narrowleaf plantain · Plantaginaceae 13 counties
• 
  Plantago major L. Introduced PLMA2

  common plantain · Plantaginaceae 9 counties
• 
  Poa annua L. Introduced POAN

  annual bluegrass · Poaceae 18 counties
• 
  Poa compressa L. Introduced POCO

  Canada bluegrass · Poaceae 32 counties
• 
  Poa pratensis L. ssp. pratensis Introduced POPRP2

  Kentucky bluegrass · Poaceae 45 counties
• 
  Polygonum arenastrum Jord. ex Boreau Introduced POAR11

  oval-leaf knotweed · Polygonaceae 18 counties
• 
  Polygonum aviculare L. Introduced POAV

  prostrate knotweed · Polygonaceae 2 counties
• 
  Polygonum convolvulus L. Introduced POCO10

  black bindweed · Polygonaceae 23 counties
• 
  Polygonum convolvulus L. var. convolvulus Introduced POCOC2

  black bindweed · Polygonaceae 23 counties
• 
  Polygonum cuspidatum Siebold & Zucc. Introduced POCU6

  Japanese knotweed · Polygonaceae 1 county
• 
  Polygonum hydropiper L. Introduced POHY

  marshpepper knotweed · Polygonaceae 17 counties
• 
  Polygonum orientale L. Introduced POOR2

  kiss me over the garden gate · Polygonaceae 2 counties
• 
  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae 31 counties
• 
  Polypogon monspeliensis (L.) Desf. Introduced POMO5

  annual rabbitsfoot grass · Poaceae 1 county
• 
  Populus alba L. Introduced POAL7

  white poplar · Salicaceae 8 counties
• 
  Potamogeton crispus L. Introduced POCR3

  curly pondweed · Potamogetonaceae 4 counties
• 
  Potentilla argentea L. Introduced POAR8

  silver cinquefoil · Rosaceae 3 counties
• 
  Potentilla argentea L. var. argentea Introduced POARA3

  silver cinquefoil · Rosaceae 3 counties
• 
  Potentilla intermedia L. Introduced POIN8

  downy cinquefoil · Rosaceae 1 county
• 
  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae 13 counties
• 
  Prunus persica (L.) Batsch Introduced PRPE3

  peach · Rosaceae 1 county
• 
  Prunus persica (L.) Batsch var. persica Introduced PRPEP2

  peach · Rosaceae 1 county
• 
  Pyrus communis L. Introduced PYCO

  common pear · Rosaceae 2 counties
• 
  Ranunculus acris L. var. acris Introduced RAACA3

  showy buttercup · Ranunculaceae 3 counties
• ⚘
  Raphanus sativus L. Introduced RASA2

  cultivated radish · Brassicaceae 2 counties
• 
  Reseda lutea L. Introduced RELU

  yellow mignonette · Resedaceae 1 county
• 
  Rhamnus cathartica L. Introduced RHCA3

  common buckthorn · Rhamnaceae 3 counties
• 
  Rorippa sylvestris (L.) Besser Introduced ROSY

  creeping yellowcress · Brassicaceae 2 counties