Clark County

Showing 351–400 of 786.

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  Hierochloe hirta (Schrank) Borbás ssp. arctica (J. Presl) G. Weim. Native HIHIA

  northern sweetgrass · Poaceae
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  Holosteum umbellatum L. Introduced HOUM

  jagged chickweed · Caryophyllaceae
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  Houstonia caerulea L. Native HOCA4

  azure bluet · Rubiaceae
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  Humulus lupulus L. Both HULU

  common hop · Cannabaceae
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  Huperzia lucidula (Michx.) Trevis. Native HULU2

  shining clubmoss · Lycopodiaceae
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  Hydrangea arborescens L. Native HYAR

  wild hydrangea · Hydrangeaceae
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  Hydrastis canadensis L. Native HYCA

  goldenseal · Ranunculaceae
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  Hydrophyllum appendiculatum Michx. Native HYAP

  great waterleaf · Hydrophyllaceae
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  Hydrophyllum macrophyllum Nutt. Native HYMA

  largeleaf waterleaf · Hydrophyllaceae
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  Hydrophyllum virginianum L. Native HYVI

  eastern waterleaf · Hydrophyllaceae
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  Hydrophyllum virginianum L. var. virginianum Native HYVIV

  eastern waterleaf · Hydrophyllaceae
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  Hypericum mutilum L. Native HYMU

  dwarf St. Johnswort · Clusiaceae
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  Hypericum perforatum L. Introduced HYPE

  common St. Johnswort · Clusiaceae
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  Hypericum prolificum L. Native HYPR

  shrubby St. Johnswort · Clusiaceae
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  Hypericum punctatum Lam. Native HYPU

  spotted St. Johnswort · Clusiaceae
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  Impatiens capensis Meerb. Native IMCA

  jewelweed · Balsaminaceae
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  Impatiens pallida Nutt. Native IMPA

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

  purplerocket · Brassicaceae
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  Ipomoea pandurata (L.) G. Mey. Native IPPA

  man of the earth · Convolvulaceae
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  Iris virginica L. Native IRVI

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

  Shreve's iris · Iridaceae
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  Isoetes engelmannii A. Braun Native ISEN

  Appalachian quillwort · Isoetaceae
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  Juglans cinerea L. Native JUCI

  butternut · Juglandaceae
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  Juglans nigra L. Native JUNI

  black walnut · Juglandaceae
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  Juncus articulatus L. Native JUAR4

  jointleaf rush · Juncaceae
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  Juncus dudleyi Wiegand Native JUDU2

  Dudley's rush · Juncaceae
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  Juncus nodosus L. Native JUNO2

  knotted rush · Juncaceae
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  Juncus nodosus L. var. nodosus Native JUNON

  knotted rush · Juncaceae
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  Juncus torreyi Coville Native JUTO

  Torrey's rush · Juncaceae
• 
  Justicia americana (L.) Vahl Native JUAM

  American water-willow · Acanthaceae
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  Lactuca serriola L. Introduced LASE

  prickly lettuce · Asteraceae
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  Lamium amplexicaule L. Introduced LAAM

  henbit deadnettle · Lamiaceae
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  Lamium purpureum L. Introduced LAPU2

  purple deadnettle · Lamiaceae
• 
  Lamium purpureum L. var. purpureum Introduced LAPUP

  purple deadnettle · Lamiaceae
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  Laportea canadensis (L.) Weddell Native LACA3

  Canadian woodnettle · Urticaceae
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  Lappula squarrosa (Retz.) Dumort. Introduced LASQ

  European stickseed · Boraginaceae
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  Lathyrus palustris L. Native LAPA4

  marsh pea · Fabaceae
• 
  Lemna minor L. Native LEMI3

  common duckweed · Lemnaceae
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  Leonurus cardiaca L. Introduced LECA2

  common motherwort · Lamiaceae
• 
  Leonurus cardiaca L. ssp. cardiaca Introduced LECAC7

  common motherwort · Lamiaceae
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  Lepidium campestre (L.) W.T. Aiton Introduced LECA5

  field pepperweed · Brassicaceae
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  Lepidium virginicum L. Native LEVI3

  Virginia pepperweed · Brassicaceae
• 
  Lepidium virginicum L. var. virginicum Native LEVIV2

  Virginia pepperweed · Brassicaceae
• 
  Lespedeza capitata Michx. Native LECA8

  roundhead lespedeza · Fabaceae
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  Lespedeza repens (L.) W.P.C. Barton Native LERE2

  creeping lespedeza · Fabaceae
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  Lespedeza virginica (L.) Britton Native LEVI7

  slender lespedeza · Fabaceae
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  Leucanthemum vulgare Lam. Introduced LEVU

  oxeye daisy · Asteraceae
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  Leucospora multifida (Michx.) Nutt. Native LEMU

  narrowleaf paleseed · Scrophulariaceae
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  Liatris spicata (L.) Willd. Native LISP

  dense blazing star · Asteraceae
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  Liatris spicata (L.) Willd. var. spicata Native LISPS

  dense blazing star · Asteraceae