Hays County

Showing 701–750 of 848.

• 
  Senegalia roemeriana (Scheele) Britton & Rose Native SERO

  roundflower catclaw · Fabaceae
• 
  Senna lindheimeriana (Scheele) Irwin & Barneby Native SELI4

  velvet leaf senna · Fabaceae
• 
  Senna roemeriana (Scheele) Irwin & Barneby Native SERO8

  twoleaf senna · Fabaceae
• 
  Sesbania drummondii (Rydb.) Cory Native SEDR

  poisonbean · Fabaceae
• 
  Sesbania herbacea (Mill.) McVaugh Native SEHE8

  bigpod sesbania · Fabaceae
• 
  Setaria italica (L.) P. Beauv. Introduced SEIT

  foxtail millet · Poaceae
• 
  Setaria leucopila (Scribn. & Merr.) K. Schum. Native SELE6

  streambed bristlegrass · Poaceae
• 
  Setaria parviflora (Poir.) Kerguélen Native SEPA10

  marsh bristlegrass · Poaceae
• 
  Setaria reverchonii (Vasey) Pilg. Native SERE3

  Reverchon's bristlegrass · Poaceae
• 
  Setaria scheelei (Steud.) Hitchc. Native SESC2

  southwestern bristlegrass · Poaceae
• 
  Sida abutifolia Mill. Introduced SIAB

  spreading fanpetals · Malvaceae
• 
  Sideroxylon lanuginosum Michx. Native SILA20

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

  gum bully · Sapotaceae
• 
  Silybum marianum (L.) Gaertn. Introduced SIMA3

  blessed milkthistle · Asteraceae
• 
  Simsia calva (Engelm. & A. Gray) A. Gray Native SICA7

  awnless bushsunflower · Asteraceae
• 
  Sisymbrium irio L. Introduced SIIR

  London rocket · Brassicaceae
• 
  Sisyrinchium biforme E.P. Bicknell Native SIBI

  wiry blue-eyed grass · Iridaceae
• 
  Sisyrinchium chilense Hook. Native SICH2

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

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

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

  saw greenbrier · Smilacaceae
• 
  Smilax tamnoides L. Native SMTA2

  bristly greenbrier · Smilacaceae
• 
  Solanum dimidiatum Raf. Native SODI

  western horsenettle · Solanaceae
• 
  Solanum douglasii Dunal Native SODO

  greenspot nightshade · Solanaceae
• 
  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
• 
  Solanum ptycanthum Dunal Native SOPT7

  West Indian nightshade · Solanaceae
• 
  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
• 
  Solanum triquetrum Cav. Native SOTR2

  Texas nightshade · Solanaceae
• 
  Solidago altissima L. Native SOAL6

  Canada goldenrod · Asteraceae
• 
  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae
• 
  Solidago juliae G.L. Nesom Native SOJU2

  Julia's goldenrod · Asteraceae
• 
  Solidago nemoralis Aiton Native SONE

  gray goldenrod · Asteraceae
• 
  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
• 
  Sophora secundiflora (Ortega) Lag. ex DC. Native SOSE3

  mescal bean · Fabaceae
• 
  Sorghastrum elliottii (C. Mohr) Nash Native SOEL3

  slender Indiangrass · Poaceae
• 
  Sorghastrum nutans (L.) Nash Native SONU2

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

  Johnsongrass · Poaceae
• 
  Spigelia hedyotidea A. DC. Native SPHE7

  prairie pinkroot · Loganiaceae
• 
  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae
• 
  Sporobolus compositus (Poir.) Merr. Native SPCO16

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

  composite dropseed · Poaceae
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVA

  poverty dropseed · Poaceae
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. ozarkanus (Fernald) Shinners Native SPVAO

  Ozark dropseed · Poaceae
• 
  Stachys crenata Raf. Native STCR7

  mousesear · Lamiaceae
• 
  Stellaria media (L.) Vill. Introduced STME2

  common chickweed · Caryophyllaceae
• ⚘
  Stellaria prostrata Baldw. Native STPR

  prostrate starwort · Caryophyllaceae
• 
  Stenaria nigricans (Lam.) Terrell Native STNI6

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

  diamondflowers · Rubiaceae