Butler County

Showing 1–50 of 850.

• 
  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae
• 
  Acalypha ostryifolia Riddell Native ACOS

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

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

  boxelder · Aceraceae
• 
  Acer nigrum Michx. f. Native ACNI5

  black maple · Aceraceae
• 
  Acer rubrum L. Native ACRU

  red maple · Aceraceae
• 
  Acer rubrum L. var. rubrum Native ACRUR

  red maple · Aceraceae
• 
  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae
• 
  Acer saccharum Marshall Native ACSA3

  sugar maple · Aceraceae
• 
  Acer saccharum Marshall var. saccharum Native ACSAS

  sugar maple · Aceraceae
• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
• 
  Acorus americanus (Raf.) Raf. Native ACAM

  sweetflag · Acoraceae
• 
  Acorus calamus L. Introduced ACCA4

  calamus · Acoraceae
• 
  Actaea pachypoda Elliott Native ACPA

  white baneberry · Ranunculaceae
• 
  Adiantum pedatum L. Native ADPE

  northern maidenhair · Pteridaceae
• 
  Aegopodium podagraria L. Introduced AEPO

  bishop's goutweed · Apiaceae
• 
  Aesculus glabra Willd. Native AEGL

  Ohio buckeye · Hippocastanaceae
• 
  Aesculus glabra Willd. var. glabra Native AEGLG

  Ohio buckeye · Hippocastanaceae
• 
  Agalinis auriculata (Michx.) S.F. Blake Native AGAU3

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

  yellow giant hyssop · Lamiaceae
• 
  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
• 
  Agrostemma githago L. Introduced AGGI

  common corncockle · Caryophyllaceae
• 
  Agrostis perennans (Walter) Tuck. Native AGPE

  upland bentgrass · Poaceae
• 
  Ailanthus altissima (Mill.) Swingle Introduced AIAL

  tree of heaven · Simaroubaceae
• 
  Ajuga reptans L. Introduced AJRE

  common bugle · Lamiaceae
• 
  Alisma subcordatum Raf. Native ALSU

  American water plantain · Alismataceae
• 
  Alliaria petiolata (M. Bieb.) Cavara & Grande Introduced ALPE4

  garlic mustard · Brassicaceae
• 
  Allium canadense L. Native ALCA3

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

  meadow garlic · Liliaceae
• 
  Allium cernuum Roth Native ALCE2

  nodding onion · Liliaceae
• 
  Allium cernuum Roth var. cernuum Native ALCEC2

  nodding onion · Liliaceae
• 
  Allium tricoccum Aiton Native ALTR3

  ramp · Liliaceae
• 
  Allium tuberosum Rottler ex Spreng. Introduced ALTU3

  Chinese chives · Liliaceae
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae
• 
  Ambrosia artemisiifolia L. Both AMAR2

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

  annual ragweed · Asteraceae
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae
• 
  Ammannia robusta Heer & Regel Native AMRO3

  grand redstem · Lythraceae
• 
  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae
• 
  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
• 
  Anemone virginiana L. Native ANVI3

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

  tall thimbleweed · Ranunculaceae
• 
  Angelonia angustifolia Benth. Introduced ANAN5

  narrowleaf angelon · Scrophulariaceae
• ⚘
  Antennaria neglecta Greene Native ANNE

  field pussytoes · Asteraceae
• 
  Antennaria parlinii Fernald Native ANPA9

  Parlin's pussytoes · Asteraceae
• 
  Antennaria parlinii Fernald ssp. parlinii Native ANPAP

  Parlin's pussytoes · Asteraceae