Parker County

Showing 501–550 of 600.

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  Sesbania vesicaria (Jacq.) Elliott Native SEVE

  bagpod · Fabaceae
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  Setaria reverchonii (Vasey) Pilg. Native SERE3

  Reverchon's bristlegrass · Poaceae
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  Sideroxylon lanuginosum Michx. Native SILA20

  gum bully · Sapotaceae
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  Sideroxylon lanuginosum Michx. ssp. albicans (Sarg.) Kartesz & Gandhi Native SILAA4

  gum bully · Sapotaceae
• 
  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae
• 
  Silphium albiflorum A. Gray Native SIAL

  white rosinweed · Asteraceae
• 
  Sinapis arvensis L. Introduced SIAR4

  charlock mustard · Brassicaceae
• 
  Sinapis arvensis L. ssp. arvensis Introduced SIARA

  wild mustard · Brassicaceae
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  Sisyrinchium chilense Hook. Native SICH2

  swordleaf blue-eyed grass · Iridaceae
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  Sisyrinchium langloisii Greene Native SILA5

  roadside blue-eyed grass · Iridaceae
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  Smilax bona-nox L. Native SMBO2

  saw greenbrier · Smilacaceae
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  Smilax bona-nox L. var. bona-nox Native SMBOB2

  saw greenbrier · Smilacaceae
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  Solanum dimidiatum Raf. Native SODI

  western horsenettle · Solanaceae
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  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
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  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
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  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae
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  Solidago petiolaris Aiton Native SOPE

  downy ragged goldenrod · Asteraceae
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  Solidago petiolaris Aiton var. angusta (Torr. & A. Gray) A. Gray Native SOPEA

  downy ragged goldenrod · Asteraceae
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  Solidago radula Nutt. Native SORA

  western rough goldenrod · Asteraceae
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae
• 
  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae
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  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae
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  Spermolepis divaricata (Walter) Raf. ex Ser. Native SPDI2

  roughfruit scaleseed · Apiaceae
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  Spiranthes cernua (L.) Rich. Native SPCE

  nodding lady's tresses · Orchidaceae
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  Spiranthes magnicamporum Sheviak Native SPMA5

  Great Plains lady's tresses · Orchidaceae
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  Sporobolus compositus (Poir.) Merr. Native SPCO16

  composite dropseed · Poaceae
• 
  Sporobolus compositus (Poir.) Merr. var. compositus Native SPCOC2

  composite dropseed · Poaceae
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
• 
  Sporobolus indicus (L.) R. Br. Introduced SPIN4

  smut grass · Poaceae
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  Sporobolus indicus (L.) R. Br. var. indicus Introduced SPINI2

  smut grass · Poaceae
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  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVA

  poverty dropseed · Poaceae
• 
  Stellaria media (L.) Vill. Introduced STME2

  common chickweed · Caryophyllaceae
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  Stenaria nigricans (Lam.) Terrell Native STNI6

  diamond-flowers · Rubiaceae
• 
  Stenaria nigricans (Lam.) Terrell var. nigricans Native STNIN

  diamondflowers · Rubiaceae
• 
  Stenosiphon linifolius (Nutt. ex James) Heynh. Native STLI2

  false gaura · Onagraceae
• 
  Stillingia sylvatica L. Native STSY

  queen's-delight · Euphorbiaceae
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  Stillingia sylvatica L. ssp. sylvatica Native STSYS2

  queen's-delight · Euphorbiaceae
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  Stillingia texana I.M. Johnst. Native STTE3

  Texas toothleaf · Euphorbiaceae
• 
  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae
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  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray Native STPI3

  Pickering's dawnflower · Convolvulaceae
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray var. pattersonii (Fernald & B.G. Schub.) Myint Native STPIP2

  Patterson's dawnflower · Convolvulaceae
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  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2

  sidebeak pencilflower · Fabaceae
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  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae
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  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

  white heath aster · Asteraceae
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  Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides Native SYERE

  white heath aster · Asteraceae
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  Symphyotrichum patens (Aiton) G.L. Nesom Native SYPA11

  late purple aster · Asteraceae
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  Symphyotrichum patens (Aiton) G.L. Nesom var. patens Native SYPAP2

  late purple aster · Asteraceae
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  Symphyotrichum praealtum (Poir.) G.L. Nesom Native SYPR5

  willowleaf aster · Asteraceae