Knox County

Showing 1–50 of 651.

• 
  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 negundo L. var. negundo Native ACNEN

  boxelder · Aceraceae
• 
  Acer negundo L. var. violaceum (G. Kirchn.) H. Jaeger Native ACNEV

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

  black maple · Aceraceae
• 
  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae
• 
  Acer saccharum Marshall Native ACSA3

  sugar maple · Aceraceae
• 
  Actaea pachypoda Elliott Native ACPA

  white baneberry · Ranunculaceae
• 
  Adiantum pedatum L. Native ADPE

  northern maidenhair · Pteridaceae
• 
  Aesculus glabra Willd. Native AEGL

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

  Ohio buckeye · Hippocastanaceae
• 
  Agalinis gattingeri (Small) Small Native AGGA

  roundstem false foxglove · Scrophulariaceae
• 
  Agalinis tenuifolia (Vahl) Raf. Native AGTE3

  slenderleaf false foxglove · Scrophulariaceae
• 
  Agalinis tenuifolia (Vahl) Raf. var. macrophylla (Benth.) S.F. Blake Native AGTEM

  slenderleaf false foxglove · Scrophulariaceae
• 
  Agalinis tenuifolia (Vahl) Raf. var. tenuifolia Native AGTET

  slenderleaf 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 parviflora Aiton Native AGPA6

  harvestlice · Rosaceae
• 
  Agrimonia pubescens Wallr. Native AGPU

  soft agrimony · Rosaceae
• 
  Agrimonia rostellata Wallr. Native AGRO3

  beaked agrimony · Rosaceae
• 
  Agrostis gigantea Roth Introduced AGGI2

  redtop · Poaceae
• 
  Agrostis stolonifera L. Introduced AGST2

  creeping 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
• 
  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae
• 
  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
• 
  Ambrosia trifida L. Native AMTR

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

  common serviceberry · Rosaceae
• 
  Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4

  common serviceberry · Rosaceae
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae
• 
  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
• 
  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae
• 
  Anemone virginiana L. Native ANVI3

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

  tall thimbleweed · Ranunculaceae
• ⚘
  Antennaria neglecta Greene Native ANNE

  field pussytoes · Asteraceae
• 
  Antennaria plantaginifolia (L.) Richardson Native ANPL

  woman's tobacco · Asteraceae
• 
  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
• 
  Apios americana Medik. Native APAM

  groundnut · Fabaceae
• 
  Apocynum androsaemifolium L. Native APAN2

  spreading dogbane · Apocynaceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• ⚘
  Apocynum ×floribundum Greene (pro sp.) [androsaemifolium × cannabinum] Native APFL

  Apocynaceae
• 
  Aquilegia canadensis L. Native AQCA

  red columbine · Ranunculaceae