Arkansas

• Arkansas 05001
  816 taxa Open ↗
• Ashley 05003
  1,236 taxa Open ↗
• Baxter 05005
  1,025 taxa Open ↗
• Benton 05007
  1,372 taxa Open ↗
• Boone 05009
  697 taxa Open ↗
• Bradley 05011
  1,145 taxa Open ↗
• Calhoun 05013
  573 taxa Open ↗
• Carroll 05015
  1,039 taxa Open ↗
• Chicot 05017
  440 taxa Open ↗
• Clark 05019
  896 taxa Open ↗

Showing 1,501–1,550 of 3,277.

• 
  Ipomoea turbinata Lag. Introduced IPTU3

  lilacbell · Convolvulaceae 2 counties
• 
  Ipomoea wrightii A. Gray Introduced IPWR

  Wright's morning-glory · Convolvulaceae 6 counties
• ⚘
  Ipomoea ×leucantha Jacq. (pro sp.) [cordatotriloba × lacunosa] Native IPLE4

  whitestar morning-glory · Convolvulaceae 1 county
• 
  Ipomopsis rubra (L.) Wherry Native IPRU2

  standing-cypress · Polemoniaceae 1 county
• 
  Iresine rhizomatosa Standl. Native IRRH

  Juda's bush · Amaranthaceae 22 counties
• 
  Iris brevicaulis Raf. Native IRBR2

  zigzag iris · Iridaceae 5 counties
• 
  Iris cristata Aiton Native IRCR

  dwarf crested iris · Iridaceae 35 counties
• 
  Iris fulva Ker Gawl. Native IRFU

  copper iris · Iridaceae 17 counties
• ⚘
  Iris germanica L. Introduced IRGE

  German iris · Iridaceae 2 counties
• 
  Iris pseudacorus L. Introduced IRPS

  paleyellow iris · Iridaceae 5 counties
• 
  Iris verna L. Native IRVE

  dwarf violet iris · Iridaceae 3 counties
• 
  Iris verna L. var. smalliana Fernald ex M.E. Edwards Native IRVES

  dwarf violet iris · Iridaceae 3 counties
• 
  Iris virginica L. Native IRVI

  Virginia iris · Iridaceae 24 counties
• 
  Iris virginica L. var. shrevei (Small) E.S. Anderson Native IRVIS

  Shreve's iris · Iridaceae 24 counties
• 
  Isoetes butleri Engelm. Native ISBU

  limestone quillwort · Isoetaceae 13 counties
• 
  Isoetes melanopoda Gay & Durieu ex Durieu Native ISME

  blackfoot quillwort · Isoetaceae 32 counties
• 
  Isolepis carinata Hook. & Arn. ex Torr. Native ISCA6

  keeled bulrush · Cyperaceae 35 counties
• ⚘
  Isolepis molesta (M.C. Johnst.) S.G. Sm. Native ISMO2

  Gulf Coast bulrush · Cyperaceae 6 counties
• 
  Isotria verticillata Raf. Native ISVE

  large whorled pogonia · Orchidaceae 20 counties
• 
  Itea virginica L. Native ITVI

  Virginia sweetspire · Grossulariaceae 32 counties
• 
  Iva angustifolia Nutt. ex DC. Native IVAN

  narrowleaf marsh elder · Asteraceae 4 counties
• 
  Iva annua L. Native IVAN2

  annual marsh elder · Asteraceae 39 counties
• 
  Jacquemontia tamnifolia (L.) Griseb. Native JATA

  hairy clustervine · Convolvulaceae 20 counties
• 
  Jasminum mesnyi Hance Introduced JAME

  Japanese jasmine · Oleaceae 1 county
• 
  Juglans cinerea L. Native JUCI

  butternut · Juglandaceae 13 counties
• 
  Juglans nigra L. Native JUNI

  black walnut · Juglandaceae 69 counties
• 
  Juncus acuminatus Michx. Native JUAC

  tapertip rush · Juncaceae 29 counties
• 
  Juncus arcticus Willd. Both JUAR2

  arctic rush · Juncaceae 3 counties
• 
  Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén Native JUARL

  mountain rush · Juncaceae 3 counties
• 
  Juncus biflorus Elliott Native JUBI

  bog rush · Juncaceae 2 counties
• 
  Juncus brachycarpus Engelm. Native JUBR

  whiteroot rush · Juncaceae 27 counties
• 
  Juncus brachyphyllus Wiegand Native JUBR3

  tuftedstem rush · Juncaceae 1 county
• 
  Juncus bufonius L. Native JUBU

  toad rush · Juncaceae 11 counties
• 
  Juncus bufonius L. var. bufonius Native JUBUB

  toad rush · Juncaceae 11 counties
• 
  Juncus canadensis J. Gay ex Laharpe Native JUCA3

  Canadian rush · Juncaceae 1 county
• 
  Juncus capitatus Weigel Introduced JUCA5

  leafybract dwarf rush · Juncaceae 1 county
• 
  Juncus coriaceus Mack. Native JUCO4

  leathery rush · Juncaceae 15 counties
• 
  Juncus debilis A. Gray Native JUDE

  weak rush · Juncaceae 9 counties
• 
  Juncus dichotomus Elliott Native JUDI

  forked rush · Juncaceae 7 counties
• 
  Juncus diffusissimus Buckley Native JUDI2

  slimpod rush · Juncaceae 57 counties
• 
  Juncus dudleyi Wiegand Native JUDU2

  Dudley's rush · Juncaceae 9 counties
• 
  Juncus effusus L. Native JUEF

  common rush · Juncaceae 49 counties
• 
  Juncus effusus L. var. solutus Fernald & Wiegand Native JUEFS

  lamp rush · Juncaceae 49 counties
• 
  Juncus elliottii Chapm. Native JUEL

  Elliott's rush · Juncaceae 5 counties
• 
  Juncus elliottii Chapm. var. elliottii Native JUELE

  Elliott's rush · Juncaceae 5 counties
• 
  Juncus interior Wiegand Native JUIN2

  inland rush · Juncaceae 43 counties
• 
  Juncus interior Wiegand var. interior Native JUINI

  inland rush · Juncaceae 43 counties
• 
  Juncus marginatus Rostk. Native JUMA4

  grassleaf rush · Juncaceae 44 counties
• 
  Juncus nodatus Coville Native JUNO

  stout rush · Juncaceae 20 counties
• 
  Juncus repens Michx. Native JURE2

  lesser creeping rush · Juncaceae 8 counties