Harris County

Showing 51–100 of 1,387.

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  Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. Native ANGL2

  bushy 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 berlandieri Pritz. Native ANBE

  tenpetal thimbleweed · Ranunculaceae
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  Anemone caroliniana Walter Native ANCA9

  Carolina anemone · Ranunculaceae
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  Antigonon leptopus Hook. & Arn. Introduced ANLE4

  coral vine · Polygonaceae
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  Aphanostephus skirrhobasis (DC.) Trel. Native APSK

  Arkansas dozedaisy · Asteraceae
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  Aphanostephus skirrhobasis (DC.) Trel. var. skirrhobasis Native APSKS

  Arkansas dozedaisy · Asteraceae
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  Apios americana Medik. Native APAM

  groundnut · Fabaceae
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  Aralia spinosa L. Native ARSP2

  devil's walkingstick · Araliaceae
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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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  Arisaema dracontium (L.) Schott Native ARDR3

  green dragon · Araceae
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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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  Aristida purpurascens Poir. Native ARPU8

  arrowfeather threeawn · Poaceae
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  Aristolochia reticulata Jacq. Native ARRE3

  Texas dutchman's pipe · Aristolochiaceae
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  Aristolochia serpentaria L. Native ARSE3

  Virginia snakeroot · Aristolochiaceae
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  Aristolochia tomentosa Sims Native ARTO3

  woolly dutchman's pipe · Aristolochiaceae
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  Arnoglossum ovatum (Walter) H. Rob. Native AROV

  ovateleaf cacalia · Asteraceae
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  Arnoglossum plantagineum Raf. Native ARPL4

  groovestem Indian plantain · Asteraceae
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  Arundinaria gigantea (Walter) Muhl. Native ARGI

  giant cane · Poaceae
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  Asclepias amplexicaulis Sm. Native ASAM

  clasping milkweed · Asclepiadaceae
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  Asclepias asperula (Decne.) Woodson Native ASAS

  spider milkweed · Asclepiadaceae
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  Asclepias curassavica L. Introduced ASCU

  bloodflower · Asclepiadaceae
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  Asclepias lanceolata Walter Native ASLA2

  fewflower milkweed · Asclepiadaceae
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  Asclepias perennis Walter Native ASPE

  aquatic milkweed · Asclepiadaceae
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  Asclepias stenophylla A. Gray Native ASST

  slimleaf milkweed · Asclepiadaceae
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  Asclepias tuberosa L. Native ASTU

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

  butterfly milkweed · Asclepiadaceae
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  Asclepias verticillata L. Native ASVE

  whorled milkweed · Asclepiadaceae
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  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae
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  Asclepias viridis Walter Native ASVI2

  green antelopehorn · Asclepiadaceae
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  Asplenium platyneuron (L.) Britton, Sterns & Poggenb. Native ASPL

  ebony spleenwort · Aspleniaceae
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  Asplenium platyneuron (L.) Britton, Sterns & Poggenb. var. platyneuron Native ASPLP

  ebony spleenwort · Aspleniaceae
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  Astranthium integrifolium (Michx.) Nutt. Native ASIN9

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

  entireleaf western daisy · Asteraceae
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  Athyrium filix-femina (L.) Roth Native ATFI

  common ladyfern · Dryopteridaceae
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  Atriplex texana S. Watson Native ATTE2

  Texas saltbush · Chenopodiaceae
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  Avena fatua L. Introduced AVFA

  wild oat · Poaceae
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  Axonopus fissifolius (Raddi) Kuhlm. Native AXFI

  common carpetgrass · Poaceae
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  Axonopus furcatus (Flueggé) Hitchc. Native AXFU

  big carpetgrass · Poaceae
• 
  Azolla caroliniana Willd. Native AZCA

  Carolina mosquitofern · Azollaceae
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  Baccharis halimifolia L. Native BAHA

  eastern baccharis · Asteraceae
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  Bacopa monnieri (L.) Pennell Native BAMO

  herb of grace · Scrophulariaceae
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  Bacopa rotundifolia (Michx.) Wettst. Native BARO

  disk waterhyssop · Scrophulariaceae
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  Baptisia alba (L.) Vent. Native BAAL

  white wild indigo · Fabaceae
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  Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely Native BAALM

  largeleaf wild indigo · Fabaceae
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  Baptisia bracteata Muhl. ex Elliott Native BABR2

  longbract wild indigo · Fabaceae
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  Baptisia bracteata Muhl. ex Elliott var. leucophaea (Nutt.) Kartesz & Gandhi Native BABRL2

  longbract wild indigo · Fabaceae