Collin County

Showing 1–50 of 355.

• 
  Acaciella angustissima (Mill.) Britton & Rose Native ACAN11

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

  prairie acacia · Fabaceae
• 
  Acalypha gracilens A. Gray Native ACGR2

  slender threeseed mercury · Euphorbiaceae
• 
  Acalypha ostryifolia Riddell Native ACOS

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

  Virginia threeseed mercury · Euphorbiaceae
• 
  Agalinis fasciculata (Elliott) Raf. Native AGFA2

  beach false foxglove · Scrophulariaceae
• 
  Allium canadense L. Native ALCA3

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

  meadow garlic · Liliaceae
• 
  Allium canadense L. var. hyacinthoides (Bush) Ownbey & Aase Native ALCAH

  hyacinth meadow garlic · Liliaceae
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae
• 
  Ambrosia bidentata Michx. Native AMBI2

  lanceleaf ragweed · Asteraceae
• 
  Amorpha fruticosa L. Native AMFR

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

  heartleaf peppervine · Vitaceae
• 
  Amsonia repens Shinners Native AMRE3

  creeping bluestar · Apocynaceae
• 
  Andropogon virginicus L. Native ANVI2

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

  broomsedge bluestem · Poaceae
• 
  Anemone berlandieri Pritz. Native ANBE

  tenpetal thimbleweed · Ranunculaceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• 
  Argythamnia mercurialina (Nutt.) Müll. Arg. Native ARME5

  tall silverbush · Euphorbiaceae
• 
  Argythamnia mercurialina (Nutt.) Müll. Arg. var. mercurialina Native ARMEM

  tall silverbush · Euphorbiaceae
• 
  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
• 
  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae
• 
  Aristolochia tomentosa Sims Native ARTO3

  woolly dutchman's pipe · Aristolochiaceae
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
• 
  Asclepias engelmanniana Woodson Native ASEN

  Engelmann's milkweed · Asclepiadaceae
• 
  Asclepias tuberosa L. Native ASTU

  butterfly milkweed · Asclepiadaceae
• 
  Asclepias tuberosa L. ssp. interior Woodson Native ASTUI

  butterfly milkweed · Asclepiadaceae
• 
  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae
• 
  Asclepias viridis Walter Native ASVI2

  green antelopehorn · Asclepiadaceae
• 
  Astragalus crassicarpus Nutt. Native ASCR2

  groundplum milkvetch · Fabaceae
• 
  Astragalus crassicarpus Nutt. var. crassicarpus Native ASCRC3

  groundplum milkvetch · Fabaceae
• 
  Astragalus lotiflorus Hook. Native ASLO4

  lotus milkvetch · Fabaceae
• 
  Astragalus nuttallianus DC. Native ASNU4

  smallflowered milkvetch · Fabaceae
• 
  Astragalus nuttallianus DC. var. nuttallianus Native ASNUN

  smallflowered milkvetch · Fabaceae
• 
  Astranthium integrifolium (Michx.) Nutt. Native ASIN9

  entireleaf western daisy · Asteraceae
• 
  Astranthium integrifolium (Michx.) Nutt. ssp. ciliatum (Raf.) DeJong Native ASINC

  entireleaf western daisy · Asteraceae
• 
  Baptisia australis (L.) R. Br. Native BAAU

  blue wild indigo · Fabaceae
• 
  Baptisia australis (L.) R. Br. var. minor (Lehm.) Fernald Native BAAUM

  blue wild indigo · Fabaceae
• 
  Baptisia nuttalliana Small Native BANU2

  Nuttall's wild indigo · Fabaceae
• 
  Baptisia sphaerocarpa Nutt. Native BASP

  yellow wild indigo · Fabaceae
• ⚘
  Bifora americana Benth. & Hook. f. ex S. Watson Native BIAM2

  prairie bishop · Apiaceae
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae
• 
  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae
• 
  Bouteloua rigidiseta (Steud.) Hitchc. Native BORI

  Texas grama · Poaceae
• 
  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae
• 
  Brickellia eupatorioides (L.) Shinners var. texana (Shinners) Shinners Native BREUT

  false boneset · Asteraceae
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae
• 
  Bromus catharticus Vahl Introduced BRCA6

  rescuegrass · Poaceae