Knox County

Showing 51–100 of 1,050.

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  Ambrosia trifida L. Native AMTR

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

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

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

  common serviceberry · Rosaceae
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  Amelanchier laevis Wiegand Native AMLA

  Allegheny serviceberry · Rosaceae
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  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae
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  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
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  Andropogon virginicus L. Native ANVI2

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

  broomsedge bluestem · Poaceae
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  Anemone canadensis L. Native ANCA8

  Canadian anemone · Ranunculaceae
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  Anemone quinquefolia L. Native ANQU

  wood anemone · Ranunculaceae
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  Anemone virginiana L. Native ANVI3

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

  tall thimbleweed · Ranunculaceae
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  Angelica atropurpurea L. Native ANAT

  purplestem angelica · Apiaceae
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  Angelica venenosa (Greenway) Fernald Native ANVE

  hairy angelica · Apiaceae
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  Antennaria howellii Greene Native ANHO

  Howell's pussytoes · Asteraceae
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  Antennaria howellii Greene ssp. neodioica (Greene) Bayer Native ANHON

  Howell's pussytoes · Asteraceae
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  Antennaria parlinii Fernald Native ANPA9

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

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

  stinking chamomile · Asteraceae
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  Apios americana Medik. Native APAM

  groundnut · Fabaceae
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  Apocynum androsaemifolium L. Native APAN2

  spreading dogbane · Apocynaceae
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  Apocynum cannabinum L. Native APCA

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

  Apocynaceae
• 
  Arabidopsis thaliana (L.) Heynh. Introduced ARTH

  mouseear cress · Brassicaceae
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  Arabis canadensis L. Native ARCA

  sicklepod · Brassicaceae
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  Arabis glabra (L.) Bernh. Native ARGL

  tower rockcress · Brassicaceae
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  Arabis laevigata (Muhl. ex Willd.) Poir. Native ARLA

  smooth rockcress · Brassicaceae
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  Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata Native ARLAL

  smooth rockcress · Brassicaceae
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  Arabis shortii (Fernald) Gleason Native ARSH2

  Short's rockcress · Brassicaceae
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  Aralia nudicaulis L. Native ARNU2

  wild sarsaparilla · Araliaceae
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  Aralia racemosa L. Native ARRA

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

  American spikenard · Araliaceae
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  Arctium lappa L. Introduced ARLA3

  greater burdock · Asteraceae
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  Arctium minus Bernh. Introduced ARMI2

  lesser burdock · Asteraceae
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  Arenaria serpyllifolia L. Introduced ARSE2

  thymeleaf sandwort · Caryophyllaceae
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  Arisaema dracontium (L.) Schott Native ARDR3

  green dragon · Araceae
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  Arisaema triphyllum (L.) Schott Native ARTR

  Jack in the pulpit · Araceae
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  Arisaema triphyllum (L.) Schott ssp. triphyllum Native ARTRT3

  Jack in the pulpit · Araceae
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  Aristida longespica Poir. Native ARLO16

  slimspike threeawn · Poaceae
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  Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4

  horseradish · Brassicaceae
• ⚘
  Aronia ×prunifolia (Marshall) Rehder, (pro sp.) [arbutifolia × melanocarpa] Native ARPR2

  purple chokeberry · Rosaceae
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  Asarum canadense L. Native ASCA

  Canadian wildginger · Aristolochiaceae
• 
  Asclepias exaltata L. Native ASEX

  poke milkweed · Asclepiadaceae
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  Asclepias incarnata L. Native ASIN

  swamp milkweed · Asclepiadaceae
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  Asclepias incarnata L. ssp. incarnata Native ASINI

  swamp milkweed · Asclepiadaceae
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  Asclepias quadrifolia Jacq. Native ASQU

  fourleaf milkweed · Asclepiadaceae
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  Asclepias syriaca L. Native ASSY

  common milkweed · Asclepiadaceae
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  Asclepias tuberosa L. Native ASTU

  butterfly milkweed · Asclepiadaceae
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  Asimina triloba (L.) Dunal Native ASTR

  pawpaw · Annonaceae