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 901–950 of 1,852 (native).

• 
  Impatiens capensis Meerb. Native IMCA

  jewelweed · Balsaminaceae 14 counties
• 
  Impatiens pallida Nutt. Native IMPA

  pale touch-me-not · Balsaminaceae 19 counties
• 
  Iodanthus pinnatifidus (Michx.) Steud. Native IOPI

  purplerocket · Brassicaceae 2 counties
• 
  Ionactis linariifolius (L.) Greene Native IOLI2

  flaxleaf whitetop aster · Asteraceae 2 counties
• 
  Ipomoea lacunosa L. Native IPLA

  whitestar · Convolvulaceae 1 county
• 
  Ipomoea pandurata (L.) G. Mey. Native IPPA

  man of the earth · Convolvulaceae 1 county
• 
  Iris brevicaulis Raf. Native IRBR2

  zigzag iris · Iridaceae 1 county
• 
  Iris virginica L. Native IRVI

  Virginia iris · Iridaceae 10 counties
• 
  Iris virginica L. var. shrevei (Small) E.S. Anderson Native IRVIS

  Shreve's iris · Iridaceae 10 counties
• 
  Isoetes melanopoda Gay & Durieu ex Durieu Native ISME

  blackfoot quillwort · Isoetaceae 2 counties
• 
  Iva annua L. Native IVAN2

  annual marsh elder · Asteraceae 2 counties
• 
  Iva annua L. var. annua Native IVANA

  annual marsh elder · Asteraceae 1 county
• 
  Juglans cinerea L. Native JUCI

  butternut · Juglandaceae 6 counties
• 
  Juglans nigra L. Native JUNI

  black walnut · Juglandaceae 24 counties
• 
  Juncus acuminatus Michx. Native JUAC

  tapertip rush · Juncaceae 3 counties
• 
  Juncus alpinoarticulatus Chaix Native JUAL4

  northern green rush · Juncaceae 3 counties
• 
  Juncus alpinoarticulatus Chaix ssp. nodulosus (Wahlenb.) Hämet-Ahti Native JUALN

  northern green rush · Juncaceae 3 counties
• 
  Juncus anthelatus (Wiegand) R.E. Brooks Native JUAN3

  greater poverty rush · Juncaceae 1 county
• 
  Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén Native JUARL

  mountain rush · Juncaceae 4 counties
• 
  Juncus bufonius L. Native JUBU

  toad rush · Juncaceae 3 counties
• 
  Juncus bufonius L. var. bufonius Native JUBUB

  toad rush · Juncaceae 3 counties
• 
  Juncus canadensis J. Gay ex Laharpe Native JUCA3

  Canadian rush · Juncaceae 1 county
• 
  Juncus dudleyi Wiegand Native JUDU2

  Dudley's rush · Juncaceae 12 counties
• 
  Juncus interior Wiegand Native JUIN2

  inland rush · Juncaceae 16 counties
• 
  Juncus interior Wiegand var. interior Native JUINI

  inland rush · Juncaceae 16 counties
• 
  Juncus marginatus Rostk. Native JUMA4

  grassleaf rush · Juncaceae 1 county
• 
  Juncus nodatus Coville Native JUNO

  stout rush · Juncaceae 1 county
• 
  Juncus nodosus L. Native JUNO2

  knotted rush · Juncaceae 9 counties
• 
  Juncus nodosus L. var. nodosus Native JUNON

  knotted rush · Juncaceae 9 counties
• 
  Juncus secundus P. Beauv. ex Poir. Native JUSE

  lopsided rush · Juncaceae 1 county
• 
  Juncus tenuis Willd. Native JUTE

  poverty rush · Juncaceae 18 counties
• 
  Juncus torreyi Coville Native JUTO

  Torrey's rush · Juncaceae 22 counties
• 
  Juniperus communis L. Native JUCO6

  common juniper · Cupressaceae 1 county
• 
  Juniperus communis L. var. depressa Pursh Native JUCOD

  common juniper · Cupressaceae 1 county
• 
  Juniperus virginiana L. Native JUVI

  eastern redcedar · Cupressaceae 12 counties
• 
  Juniperus virginiana L. var. virginiana Native JUVIV

  eastern redcedar · Cupressaceae 12 counties
• 
  Justicia americana (L.) Vahl Native JUAM

  American water-willow · Acanthaceae 1 county
• 
  Koeleria macrantha (Ledeb.) Schult. Native KOMA

  prairie Junegrass · Poaceae 35 counties
• 
  Krigia biflora (Walter) S.F. Blake Native KRBI

  twoflower dwarfdandelion · Asteraceae 3 counties
• 
  Krigia biflora (Walter) S.F. Blake var. biflora Native KRBIB

  twoflower dwarfdandelion · Asteraceae 3 counties
• 
  Krigia virginica (L.) Willd. Native KRVI

  Virginia dwarfdandelion · Asteraceae 1 county
• 
  Lactuca biennis (Moench) Fernald Native LABI

  tall blue lettuce · Asteraceae 1 county
• 
  Lactuca canadensis L. Native LACA

  Canada lettuce · Asteraceae 21 counties
• 
  Lactuca floridana (L.) Gaertn. Native LAFL

  woodland lettuce · Asteraceae 14 counties
• 
  Lactuca floridana (L.) Gaertn. var. floridana Native LAFLF

  woodland lettuce · Asteraceae 1 county
• 
  Lactuca ludoviciana (Nutt.) Riddell Native LALU

  biannual lettuce · Asteraceae 14 counties
• 
  Lactuca tatarica (L.) C.A. Mey. Native LATA

  blue lettuce · Asteraceae 14 counties
• 
  Lactuca tatarica (L.) C.A. Mey. var. pulchella (Pursh) Breitung Native LATAP

  blue lettuce · Asteraceae 14 counties
• 
  Laportea canadensis (L.) Weddell Native LACA3

  Canadian woodnettle · Urticaceae 15 counties
• 
  Lappula occidentalis (S. Watson) Greene Native LAOC3

  flatspine stickseed · Boraginaceae 9 counties