Brazoria County

Showing 1–50 of 962.

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  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae
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  Acaciella angustissima (Mill.) Britton & Rose Native ACAN11

  prairie acacia · Fabaceae
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  Acaciella angustissima (Mill.) Britton & Rose var. hirta (Nutt.) B.L. Turner Native ACANH2

  prairie acacia · Fabaceae
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  Acalypha gracilens A. Gray Native ACGR2

  slender threeseed mercury · Euphorbiaceae
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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 ostryifolia Riddell Native ACOS

  pineland threeseed mercury · Euphorbiaceae
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  Acalypha rhomboidea Raf. Native ACRH

  common threeseed mercury · Euphorbiaceae
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  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
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  Acmella oppositifolia (Lam.) R.K. Jansen Native ACOP

  oppositeleaf spotflower · Asteraceae
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  Acmella oppositifolia (Lam.) R.K. Jansen var. repens (Walter) R.K. Jansen Native ACOPR

  oppositeleaf spotflower · Asteraceae
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  Aeschynomene indica L. Native AEIN

  Indian jointvetch · Fabaceae
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  Agalinis heterophylla (Nutt.) Small ex Britton Native AGHE4

  prairie false foxglove · Scrophulariaceae
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  Agalinis maritima (Raf.) Raf. Native AGMA3

  saltmarsh false foxglove · Scrophulariaceae
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  Agalinis maritima (Raf.) Raf. var. grandiflora (Benth.) Shinners Native AGMAG

  saltmarsh false foxglove · Scrophulariaceae
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  Agalinis purpurea (L.) Pennell Native AGPU5

  purple false foxglove · Scrophulariaceae
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  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae
• 
  Albizia julibrissin Durazz. Introduced ALJU

  silktree · Fabaceae
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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
• 
  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
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  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae
• 
  Alternanthera philoxeroides (Mart.) Griseb. Introduced ALPH

  alligatorweed · Amaranthaceae
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  Amaranthus blitum L. Introduced AMBL2

  purple amaranth · Amaranthaceae
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  Amaranthus greggii S. Watson Native AMGR2

  Gregg's amaranth · Amaranthaceae
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  Amaranthus polygonoides L. Native AMPO

  tropical amaranth · Amaranthaceae
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  Amaranthus spinosus L. Native AMSP

  spiny amaranth · Amaranthaceae
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
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  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae
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  Ammoselinum butleri (Engelm. ex S. Watson) J.M. Coult. & Rose Native AMBU

  Butler's sandparsley · Apiaceae
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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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  Amsonia repens Shinners Native AMRE3

  creeping bluestar · Apocynaceae
• 
  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae
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  Anagallis arvensis L. ssp. arvensis Introduced ANARA7

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

  chaffweed · Primulaceae
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  Andropogon gerardii Vitman Native ANGE

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

  bushy bluestem · Poaceae
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  Anemone berlandieri Pritz. Native ANBE

  tenpetal thimbleweed · Ranunculaceae
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  Anthaenantia rufa (Nutt.) Schult. Native ANRU

  purple silkyscale · Poaceae
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  Aphanostephus skirrhobasis (DC.) Trel. Native APSK

  Arkansas dozedaisy · Asteraceae
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  Aphanostephus skirrhobasis (DC.) Trel. var. thalassius Shinners Native APSKT

  Arkansas dozedaisy · Asteraceae
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  Argemone albiflora Hornem. Native ARAL3

  bluestem pricklypoppy · Papaveraceae
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  Argemone albiflora Hornem. ssp. texana G.B. Ownbey Native ARALT

  bluestem pricklypoppy · Papaveraceae
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  Argemone mexicana L. Native ARME4

  Mexican pricklypoppy · Papaveraceae
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  Argythamnia humilis (Engelm. & A. Gray) Müll. Arg. Native ARHU5

  low silverbush · Euphorbiaceae
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  Aristida dichotoma Michx. Native ARDI4

  churchmouse threeawn · Poaceae
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  Aristida dichotoma Michx. var. dichotoma Native ARDID

  churchmouse threeawn · Poaceae
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  Aristida longespica Poir. Native ARLO16

  slimspike threeawn · Poaceae
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  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Arnoglossum ovatum (Walter) H. Rob. Native AROV

  ovateleaf cacalia · Asteraceae