Mason County

Showing 1–50 of 443.

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  Acalypha gracilens A. Gray Native ACGR2

  slender threeseed mercury · Euphorbiaceae
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  Acalypha monostachya Cav. Native ACMO

  round copperleaf · Euphorbiaceae
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  Acalypha phleoides Cav. Native ACPH3

  shrubby copperleaf · Euphorbiaceae
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  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
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  Agave lechuguilla Torr. Native AGLE

  lechuguilla · Agavaceae
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  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae
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  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
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  Aloysia gratissima (Gillies & Hook.) Troncoso Native ALGR2

  whitebrush · Verbenaceae
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  Aloysia gratissima (Gillies & Hook.) Troncoso var. gratissima Native ALGRG

  whitebrush · Verbenaceae
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  Amaranthus palmeri S. Watson Native AMPA

  carelessweed · Amaranthaceae
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  Amaranthus powellii S. Watson Native AMPO2

  Powell's amaranth · Amaranthaceae
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  Amaranthus powellii S. Watson ssp. powellii Native AMPOP

  Powell's amaranth · Amaranthaceae
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  Ambrosia confertiflora DC. Native AMCO3

  weakleaf bur ragweed · Asteraceae
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  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
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  Amorpha roemeriana Scheele Native AMRO2

  Roemer's false indigo · Fabaceae
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  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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  Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. Native ANGL2

  bushy bluestem · Poaceae
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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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  Argyrochosma dealbata (Pursh) Windham Native ARDE5

  powdery false cloak fern · Pteridaceae
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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 oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Aristida purpurascens Poir. Native ARPU8

  arrowfeather threeawn · Poaceae
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  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae
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  Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPUL

  Fendler threeawn · Poaceae
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  Aristida purpurea Nutt. var. purpurea Native ARPUP6

  purple threeawn · Poaceae
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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 oenotheroides Cham. & Schltdl. Native ASOE

  zizotes milkweed · Asclepiadaceae
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  Astragalus crassicarpus Nutt. Native ASCR2

  groundplum milkvetch · Fabaceae
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  Astragalus crassicarpus Nutt. var. berlandieri Barneby Native ASCRB

  groundplum milkvetch · Fabaceae
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  Astragalus lindheimeri Engelm. ex A. Gray Native ASLI4

  Lindheimer's milkvetch · Fabaceae
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  Astragalus nuttallianus DC. Native ASNU4

  smallflowered milkvetch · Fabaceae
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  Astragalus nuttallianus DC. var. austrinus (Small) Barneby Native ASNUA

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

  smallflowered milkvetch · Fabaceae
• ⚘
  Astragalus pleianthus (Shinners) Isely Native ASPL8

  Edwards Plateau milkvetch · Fabaceae
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  Astrolepis integerrima (Hook.) Benham & Windham Native ASIN19

  hybrid cloakfern · Pteridaceae
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  Astrolepis sinuata (Lag. ex Sw.) Benham & Windham Native ASSI9

  wavy scaly cloakfern · Pteridaceae
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  Baccharis neglecta Britton Native BANE2

  Rooseveltweed · Asteraceae
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  Bacopa rotundifolia (Michx.) Wettst. Native BARO

  disk waterhyssop · Scrophulariaceae
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  Berlandiera betonicifolia (Hook.) Small Native BEBE4

  Texas greeneyes · Asteraceae
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  Boerhavia diffusa L. Native BODI3

  red spiderling · Nyctaginaceae
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  Bothriochloa barbinodis (Lag.) Herter Native BOBA3

  cane bluestem · Poaceae
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  Bothriochloa hybrida (Gould) Gould Native BOHY

  hybrid beardgrass · Poaceae
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  Bothriochloa laguroides (DC.) Herter Both BOLA2

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

  silver beardgrass · Poaceae
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  Bouteloua aristidoides (Kunth) Griseb. Native BOAR

  needle grama · Poaceae
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  Bouteloua aristidoides (Kunth) Griseb. var. aristidoides Native BOARA

  needle grama · Poaceae