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 1,451–1,500 of 3,277.

• 
  Hymenocallis liriosme (Raf.) Shinners Native HYLI

  spring spiderlily · Liliaceae 7 counties
• 
  Hymenocallis occidentalis (Leconte) Kunth Native HYOC2

  northern spiderlily · Liliaceae 3 counties
• 
  Hymenocallis occidentalis (Leconte) Kunth var. occidentalis Native HYOCO

  northern spiderlily · Liliaceae 3 counties
• 
  Hymenopappus artemisiifolius DC. Native HYAR3

  oldplainsman · Asteraceae 3 counties
• 
  Hymenopappus artemisiifolius DC. var. artemisiifolius Native HYARA

  oldplainsman · Asteraceae 3 counties
• 
  Hymenopappus scabiosaeus L'Hér. Native HYSC

  Carolina woollywhite · Asteraceae 10 counties
• 
  Hymenopappus scabiosaeus L'Hér. var. corymbosus (Torr. & A. Gray) B.L. Turner Native HYSCC

  Carolina woollywhite · Asteraceae 4 counties
• 
  Hymenopappus scabiosaeus L'Hér. var. scabiosaeus Native HYSCS

  Carolina woollywhite · Asteraceae 9 counties
• 
  Hypericum crux-andreae (L.) Crantz Native HYCR3

  St. Peterswort · Clusiaceae 19 counties
• 
  Hypericum densiflorum Pursh Native HYDE

  bushy St. Johnswort · Clusiaceae 1 county
• 
  Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray Native HYDR

  nits and lice · Clusiaceae 52 counties
• 
  Hypericum gentianoides (L.) Britton, Sterns & Poggenb. Native HYGE

  orangegrass · Clusiaceae 30 counties
• 
  Hypericum gymnanthum Engelm. & A. Gray Native HYGY

  claspingleaf St. Johnswort · Clusiaceae 9 counties
• 
  Hypericum hypericoides (L.) Crantz Native HYHY

  St. Andrew's cross · Clusiaceae 70 counties
• 
  Hypericum hypericoides (L.) Crantz ssp. hypericoides Native HYHYH

  St. Andrew's cross · Clusiaceae 1 county
• 
  Hypericum hypericoides (L.) Crantz ssp. multicaule (Michx. ex Willd.) N. Robson Native HYHYM

  St. Andrew's cross · Clusiaceae 16 counties
• 
  Hypericum lobocarpum Gattinger ex J.M. Coult. Native HYLO2

  fivelobe St. Johnswort · Clusiaceae 39 counties
• 
  Hypericum mutilum L. Native HYMU

  dwarf St. Johnswort · Clusiaceae 48 counties
• 
  Hypericum nudiflorum Michx. ex Willd. Native HYNU

  early St. Johnswort · Clusiaceae 3 counties
• 
  Hypericum perforatum L. Introduced HYPE

  common St. Johnswort · Clusiaceae 10 counties
• 
  Hypericum prolificum L. Native HYPR

  shrubby St. Johnswort · Clusiaceae 39 counties
• 
  Hypericum pseudomaculatum Bush Native HYPS

  false spotted St. Johnswort · Clusiaceae 34 counties
• 
  Hypericum punctatum Lam. Native HYPU

  spotted St. Johnswort · Clusiaceae 45 counties
• 
  Hypericum sphaerocarpum Michx. Native HYSP2

  roundseed St. Johnswort · Clusiaceae 15 counties
• 
  Hypochaeris glabra L. Introduced HYGL2

  smooth cat's ear · Asteraceae 5 counties
• 
  Hypochaeris radicata L. Introduced HYRA3

  hairy cat's ear · Asteraceae 9 counties
• 
  Hypoxis hirsuta (L.) Coville Native HYHI2

  common goldstar · Liliaceae 42 counties
• 
  Hypoxis sessilis L. Native HYSE2

  glossyseed yellow star-grass · Liliaceae 6 counties
• 
  Ibicella lutea (Lindl.) Van Eselt. Introduced IBLU

  yellow unicorn-plant · Pedaliaceae 1 county
• 
  Ilex ambigua (Michx.) Torr. Native ILAM

  Carolina holly · Aquifoliaceae 21 counties
• 
  Ilex decidua Walter Native ILDE

  possumhaw · Aquifoliaceae 75 counties
• 
  Ilex longipes Chapm. ex Trel. Native ILLO

  Georgia holly · Aquifoliaceae 4 counties
• 
  Ilex opaca Aiton Native ILOP

  American holly · Aquifoliaceae 47 counties
• 
  Ilex opaca Aiton var. opaca Native ILOPO

  American holly · Aquifoliaceae 46 counties
• 
  Ilex verticillata (L.) A. Gray Native ILVE

  common winterberry · Aquifoliaceae 7 counties
• 
  Ilex vomitoria Aiton Native ILVO

  yaupon · Aquifoliaceae 12 counties
• 
  Impatiens capensis Meerb. Native IMCA

  jewelweed · Balsaminaceae 49 counties
• 
  Impatiens pallida Nutt. Native IMPA

  pale touch-me-not · Balsaminaceae 15 counties
• 
  Imperata cylindrica (L.) P. Beauv. Introduced IMCY

  cogongrass · Poaceae 1 county
• 
  Indigofera miniata Ortega Native INMI

  coastal indigo · Fabaceae 1 county
• 
  Iodanthus pinnatifidus (Michx.) Steud. Native IOPI

  purplerocket · Brassicaceae 8 counties
• 
  Ionactis linariifolius (L.) Greene Native IOLI2

  flaxleaf whitetop aster · Asteraceae 15 counties
• 
  Ipomoea coccinea L. Introduced IPCO3

  redstar · Convolvulaceae 14 counties
• 
  Ipomoea cordatotriloba Dennst. Native IPCO8

  tievine · Convolvulaceae 4 counties
• 
  Ipomoea cordatotriloba Dennst. var. cordatotriloba Native IPCOC2

  tievine · Convolvulaceae 4 counties
• 
  Ipomoea hederacea Jacq. Introduced IPHE

  ivyleaf morning-glory · Convolvulaceae 40 counties
• 
  Ipomoea lacunosa L. Native IPLA

  whitestar · Convolvulaceae 41 counties
• 
  Ipomoea pandurata (L.) G. Mey. Native IPPA

  man of the earth · Convolvulaceae 60 counties
• 
  Ipomoea purpurea (L.) Roth Introduced IPPU2

  tall morning-glory · Convolvulaceae 10 counties
• 
  Ipomoea quamoclit L. Introduced IPQU

  cypressvine · Convolvulaceae 3 counties