Butler County

Showing 1–50 of 646.

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  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae
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  Acalypha monococca (Engelm. ex A. Gray) Lill. W. Mill. & Gandhi Native ACMO4

  slender threeseed mercury · Euphorbiaceae
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  Acalypha virginica L. Native ACVI

  Virginia threeseed mercury · Euphorbiaceae
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  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
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  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae
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  Achillea millefolium L. Both ACMI2

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

  western yarrow · Asteraceae
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  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae
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  Aesculus glabra Willd. Native AEGL

  Ohio buckeye · Hippocastanaceae
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  Aesculus glabra Willd. var. arguta (Buckley) B.L. Rob. Native AEGLA

  Ohio buckeye · Hippocastanaceae
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  Agalinis aspera (Douglas ex Benth.) Britton Native AGAS2

  tall false foxglove · Scrophulariaceae
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  Agastache nepetoides (L.) Kuntze Native AGNE2

  yellow giant hyssop · Lamiaceae
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  Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5

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

  white snakeroot · Asteraceae
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  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae
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  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae
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  Alisma subcordatum Raf. Native ALSU

  American water plantain · Alismataceae
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  Allium canadense L. Native ALCA3

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

  meadow garlic · Liliaceae
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  Allium canadense L. var. fraseri Ownbey Native ALCAF

  Fraser meadow garlic · Liliaceae
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  Allium canadense L. var. lavandulare (Bates) Ownbey & Aase Native ALCAL

  meadow garlic · Liliaceae
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  Allium sativum L. Introduced ALSA2

  cultivated garlic · Liliaceae
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  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae
• 
  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae
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  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae
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  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae
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  Ambrosia artemisiifolia L. Both AMAR2

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

  annual ragweed · Asteraceae
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  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
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  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae
• 
  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae
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  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
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  Amphiachyris dracunculoides (DC.) Nutt. Native AMDR

  prairie broomweed · Asteraceae
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  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
• 
  Androsace occidentalis Pursh Native ANOC2

  western rockjasmine · Primulaceae
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  Androstephium coeruleum (Scheele) Greene Native ANCO9

  blue funnel lily · Liliaceae
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  Anemone caroliniana Walter Native ANCA9

  Carolina anemone · Ranunculaceae
• 
  Anethum graveolens L. Introduced ANGR2

  dill · Apiaceae
• ⚘
  Antennaria neglecta Greene Native ANNE

  field pussytoes · Asteraceae
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  Antennaria parlinii Fernald Native ANPA9

  Parlin's pussytoes · Asteraceae
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  Antennaria parlinii Fernald ssp. fallax (Greene) Bayer & Stebbins Native ANPAF

  Parlin's pussytoes · Asteraceae
• 
  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• 
  Arenaria serpyllifolia L. Introduced ARSE2

  thymeleaf sandwort · Caryophyllaceae
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  Argythamnia mercurialina (Nutt.) Müll. Arg. Native ARME5

  tall silverbush · Euphorbiaceae
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  Argythamnia mercurialina (Nutt.) Müll. Arg. var. mercurialina Native ARMEM

  tall silverbush · Euphorbiaceae
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  Arisaema dracontium (L.) Schott Native ARDR3

  green dragon · Araceae
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  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae