Clay County

Showing 1–50 of 685.

• 
  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae
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  Acalypha rhomboidea Raf. Native ACRH

  common threeseed mercury · Euphorbiaceae
• 
  Acalypha virginica L. Native ACVI

  Virginia threeseed mercury · Euphorbiaceae
• 
  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
• 
  Acer rubrum L. Native ACRU

  red maple · Aceraceae
• 
  Acer rubrum L. var. drummondii (Hook. & Arn. ex Nutt.) Sarg. Native ACRUD

  Drummond's maple · Aceraceae
• 
  Acer rubrum L. var. rubrum Native ACRUR

  red maple · Aceraceae
• 
  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae
• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
• 
  Achillea millefolium L. var. occidentalis DC. Native ACMIO

  western yarrow · Asteraceae
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  Acmella oppositifolia (Lam.) R.K. Jansen Native ACOP

  oppositeleaf spotflower · Asteraceae
• 
  Acmella oppositifolia (Lam.) R.K. Jansen var. repens (Walter) R.K. Jansen Native ACOPR

  oppositeleaf spotflower · Asteraceae
• 
  Adiantum pedatum L. Native ADPE

  northern maidenhair · Pteridaceae
• 
  Aeschynomene rudis Benth. Native AERU

  zigzag jointvetch · Fabaceae
• 
  Aesculus glabra Willd. Native AEGL

  Ohio buckeye · Hippocastanaceae
• 
  Aesculus pavia L. Native AEPA

  red buckeye · Hippocastanaceae
• 
  Aesculus pavia L. var. pavia Native AEPAP

  red buckeye · Hippocastanaceae
• 
  Agalinis tenuifolia (Vahl) Raf. Native AGTE3

  slenderleaf false foxglove · Scrophulariaceae
• 
  Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5

  white snakeroot · Asteraceae
• 
  Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALA

  white snakeroot · Asteraceae
• 
  Agrimonia rostellata Wallr. Native AGRO3

  beaked agrimony · Rosaceae
• 
  Agrostis perennans (Walter) Tuck. Native AGPE

  upland bentgrass · Poaceae
• 
  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae
• 
  Allium canadense L. var. canadense Native ALCAC

  meadow garlic · Liliaceae
• 
  Allium vineale L. Introduced ALVI

  wild garlic · Liliaceae
• 
  Allium vineale L. ssp. vineale Introduced ALVIV

  wild garlic · Liliaceae
• 
  Alnus serrulata (Aiton) Willd. Native ALSE2

  hazel alder · Betulaceae
• 
  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae
• 
  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae
• 
  Ambrosia bidentata Michx. Native AMBI2

  lanceleaf ragweed · Asteraceae
• 
  Amelanchier arborea (Michx. f.) Fernald Native AMAR3

  common serviceberry · Rosaceae
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
• 
  Amorpha nitens Boynt. Native AMNI

  shining false indigo · Fabaceae
• 
  Ampelopsis cordata Michx. Native AMCO2

  heartleaf peppervine · Vitaceae
• 
  Amsonia illustris Woodson Native AMIL

  Ozark bluestar · Apocynaceae
• 
  Andropogon virginicus L. Native ANVI2

  broomsedge bluestem · Poaceae
• 
  Andropogon virginicus L. var. virginicus Native ANVIV

  broomsedge bluestem · Poaceae
• 
  Anemone virginiana L. Native ANVI3

  tall thimbleweed · Ranunculaceae
• 
  Anemone virginiana L. var. virginiana Native ANVIV2

  tall thimbleweed · Ranunculaceae
• 
  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
• 
  Apios americana Medik. Native APAM

  groundnut · Fabaceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• 
  Aquilegia canadensis L. Native AQCA

  red columbine · Ranunculaceae
• 
  Arabidopsis thaliana (L.) Heynh. Introduced ARTH

  mouseear cress · Brassicaceae
• 
  Aralia racemosa L. Native ARRA

  American spikenard · Araliaceae
• 
  Aralia racemosa L. ssp. racemosa Native ARRAR

  American spikenard · Araliaceae
• 
  Aralia spinosa L. Native ARSP2

  devil's walkingstick · Araliaceae
• 
  Arctium minus Bernh. Introduced ARMI2

  lesser burdock · Asteraceae
• 
  Argemone albiflora Hornem. Native ARAL3

  bluestem pricklypoppy · Papaveraceae