Oklahoma

• Adair 40001
  462 taxa Open ↗
• Alfalfa 40003
  443 taxa Open ↗
• Atoka 40005
  275 taxa Open ↗
• Beaver 40007
  382 taxa Open ↗
• Beckham 40009
  298 taxa Open ↗
• Blaine 40011
  437 taxa Open ↗
• Bryan 40013
  935 taxa Open ↗
• Caddo 40015
  574 taxa Open ↗
• Canadian 40017
  444 taxa Open ↗
• Carter 40019
  424 taxa Open ↗

Showing 101–150 of 2,768.

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  Ambrosia confertiflora DC. Native AMCO3

  weakleaf bur ragweed · Asteraceae 1 county
• 
  Ambrosia grayi (A. Nelson) Shinners Native AMGR5

  woollyleaf bur ragweed · Asteraceae 4 counties
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae 32 counties
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae 36 counties
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae 1 county
• 
  Amelanchier arborea (Michx. f.) Fernald Native AMAR3

  common serviceberry · Rosaceae 16 counties
• 
  Amianthium muscitoxicum (Walter) A. Gray Native AMMU

  flypoison · Liliaceae 1 county
• 
  Ammannia auriculata Willd. Native AMAU2

  eared redstem · Lythraceae 12 counties
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae 18 counties
• 
  Ammoselinum popei Torr. & A. Gray Native AMPO4

  plains sandparsley · Apiaceae 24 counties
• 
  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae 32 counties
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae 52 counties
• 
  Ampelopsis cordata Michx. Native AMCO2

  heartleaf peppervine · Vitaceae 29 counties
• 
  Amphiachyris dracunculoides (DC.) Nutt. Native AMDR

  prairie broomweed · Asteraceae 38 counties
• 
  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae 15 counties
• 
  Amsinckia lycopsoides Lehm. Native AMLY

  tarweed fiddleneck · Boraginaceae 1 county
• 
  Amsonia ciliata Walter Native AMCI

  fringed bluestar · Apocynaceae 3 counties
• 
  Amsonia ciliata Walter var. texana (A. Gray) J.M. Coult. Native AMCIT2

  Texas bluestar · Apocynaceae 3 counties
• 
  Amsonia illustris Woodson Native AMIL

  Ozark bluestar · Apocynaceae 1 county
• 
  Amsonia tabernaemontana Walter Native AMTA2

  eastern bluestar · Apocynaceae 1 county
• 
  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae 2 counties
• 
  Anagallis arvensis L. ssp. arvensis Introduced ANARA7

  scarlet pimpernel · Primulaceae 1 county
• 
  Anagallis minima (L.) Krause Native ANMI4

  chaffweed · Primulaceae 5 counties
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae 39 counties
• 
  Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. Native ANGL2

  bushy bluestem · Poaceae 4 counties
• 
  Andropogon gyrans Ashe Native ANGY2

  Elliott's bluestem · Poaceae 1 county
• 
  Andropogon gyrans Ashe var. gyrans Native ANGYG

  Elliott's bluestem · Poaceae 1 county
• 
  Andropogon hallii Hack. Native ANHA

  sand bluestem · Poaceae 17 counties
• 
  Andropogon ternarius Michx. Native ANTE2

  splitbeard bluestem · Poaceae 22 counties
• 
  Andropogon ternarius Michx. var. ternarius Native ANTET

  splitbeard bluestem · Poaceae 22 counties
• 
  Andropogon virginicus L. Native ANVI2

  broomsedge bluestem · Poaceae 20 counties
• 
  Andropogon virginicus L. var. virginicus Native ANVIV

  broomsedge bluestem · Poaceae 20 counties
• 
  Androsace occidentalis Pursh Native ANOC2

  western rockjasmine · Primulaceae 27 counties
• 
  Androstephium coeruleum (Scheele) Greene Native ANCO9

  blue funnel lily · Liliaceae 23 counties
• 
  Anemone berlandieri Pritz. Native ANBE

  tenpetal thimbleweed · Ranunculaceae 14 counties
• 
  Anemone caroliniana Walter Native ANCA9

  Carolina anemone · Ranunculaceae 43 counties
• 
  Anemone virginiana L. Native ANVI3

  tall thimbleweed · Ranunculaceae 8 counties
• 
  Anemone virginiana L. var. virginiana Native ANVIV2

  tall thimbleweed · Ranunculaceae 8 counties
• 
  Anethum graveolens L. Introduced ANGR2

  dill · Apiaceae 3 counties
• 
  Angelica venenosa (Greenway) Fernald Native ANVE

  hairy angelica · Apiaceae 1 county
• ⚘
  Antennaria neglecta Greene Native ANNE

  field pussytoes · Asteraceae 11 counties
• 
  Antennaria parlinii Fernald Native ANPA9

  Parlin's pussytoes · Asteraceae 35 counties
• 
  Antennaria parlinii Fernald ssp. fallax (Greene) Bayer & Stebbins Native ANPAF

  Parlin's pussytoes · Asteraceae 35 counties
• ⚘
  Antennaria parvifolia Nutt. Native ANPA4

  small-leaf pussytoes · Asteraceae 1 county
• 
  Antennaria plantaginifolia (L.) Richardson Native ANPL

  woman's tobacco · Asteraceae 1 county
• 
  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae 18 counties
• 
  Anthoxanthum odoratum L. Introduced ANOD

  sweet vernalgrass · Poaceae 1 county
• 
  Anthoxanthum odoratum L. ssp. odoratum Introduced ANODO2

  sweet vernalgrass · Poaceae 1 county
• 
  Aphanes microcarpa (Boiss. & Reut.) Rothm. Introduced APMI

  slender parsley piert · Rosaceae 1 county
• ⚘
  Aphanostephus pilosus Buckley Native APPI

  hairy dozedaisy · Asteraceae 9 counties