Comal County

Showing 601–650 of 724.

• 
  Selaginella apoda (L.) Spring Native SEAP

  meadow spikemoss · Selaginellaceae
• 
  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 herbacea (Mill.) McVaugh Native SEHE8

  bigpod sesbania · Fabaceae
• 
  Setaria reverchonii (Vasey) Pilg. Native SERE3

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

  southwestern bristlegrass · Poaceae
• 
  Seymeria texana (A. Gray) Pennell Native SETE7

  Texas blacksenna · Scrophulariaceae
• 
  Sicyos angulatus L. Native SIAN

  oneseed bur cucumber · Cucurbitaceae
• 
  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
• 
  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae
• 
  Silphium radula Nutt. Native SIRA2

  roughstem rosinweed · Asteraceae
• 
  Simsia calva (Engelm. & A. Gray) A. Gray Native SICA7

  awnless bushsunflower · Asteraceae
• 
  Sisyrinchium chilense Hook. Native SICH2

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

  roadside blue-eyed grass · Iridaceae
• 
  Smallanthus uvedalius (L.) Mack. ex Small Native SMUV

  hairy leafcup · Asteraceae
• 
  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 elaeagnifolium Cav. Native SOEL

  silverleaf 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 nemoralis Aiton Native SONE

  gray goldenrod · Asteraceae
• 
  Solidago radula Nutt. Native SORA

  western rough goldenrod · Asteraceae
• 
  Solidago speciosa Nutt. Native SOSP2

  showy goldenrod · Asteraceae
• 
  Solidago speciosa Nutt. var. rigidiuscula Torr. & A. Gray Native SOSPR

  showy goldenrod · Asteraceae
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae
• 
  Sophora secundiflora (Ortega) Lag. ex DC. Native SOSE3

  mescal bean · Fabaceae
• 
  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae
• 
  Spermolepis inermis (Nutt. ex DC.) Mathias & Constance Native SPIN

  Red River scaleseed · Apiaceae
• 
  Spiranthes magnicamporum Sheviak Native SPMA5

  Great Plains lady's tresses · Orchidaceae
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

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

  poverty 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
• 
  Stenosiphon linifolius (Nutt. ex James) Heynh. Native STLI2

  false gaura · Onagraceae
• 
  Stillingia texana I.M. Johnst. Native STTE3

  Texas toothleaf · Euphorbiaceae
• 
  Streptanthus bracteatus A. Gray Native STBR

  bracted jewelflower · Brassicaceae
• 
  Styphnolobium affine (Torr. & A. Gray) Walp. Native STAF4

  Eve's necklacepod · Fabaceae
• 
  Symphoricarpos orbiculatus Moench Native SYOR

  coralberry · Caprifoliaceae
• 
  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDR

  Drummond's aster · Asteraceae
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom var. texanum (Burgess) G.L. Nesom Native SYDRT

  Drummond's aster · Asteraceae