Hemphill County

Showing 551–600 of 654.

• 
  Schoenoplectus pungens (Vahl) Palla var. longispicatus (Britton) S.G. Sm. Native SCPUL4

  common threesquare · Cyperaceae
• 
  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae
• 
  Scirpus atrovirens Willd. Native SCAT2

  green bulrush · Cyperaceae
• 
  Scirpus cyperinus (L.) Kunth Native SCCY

  woolgrass · Cyperaceae
• 
  Scirpus pallidus (Britton) Fernald Native SCPA8

  cloaked bulrush · Cyperaceae
• 
  Scutellaria galericulata L. Native SCGA

  marsh skullcap · Lamiaceae
• 
  Scutellaria lateriflora L. Native SCLA2

  blue skullcap · Lamiaceae
• 
  Scutellaria lateriflora L. var. lateriflora Native SCLAL2

  blue skullcap · Lamiaceae
• 
  Scutellaria resinosa Torr. Native SCRE3

  sticky skullcap · Lamiaceae
• 
  Scutellaria wrightii A. Gray Native SCWR2

  Wright's skullcap · Lamiaceae
• 
  Senecio riddellii Torr. & A. Gray Native SERI2

  Riddell's ragwort · Asteraceae
• 
  Setaria parviflora (Poir.) Kerguélen Native SEPA10

  marsh bristlegrass · Poaceae
• 
  Setaria pumila (Poir.) Roem. & Schult. Introduced SEPU8

  yellow foxtail · Poaceae
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae
• 
  Sideroxylon lanuginosum Michx. Native SILA20

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

  gum bully · Sapotaceae
• 
  Sideroxylon lanuginosum Michx. ssp. oblongifolium (Nutt.) T.D. Penn. Native SILAO

  gum bully · Sapotaceae
• 
  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae
• 
  Sisyrinchium chilense Hook. Native SICH2

  swordleaf blue-eyed grass · Iridaceae
• 
  Sisyrinchium montanum Greene Native SIMO2

  strict blue-eyed grass · Iridaceae
• 
  Sisyrinchium montanum Greene var. montanum Native SIMOM

  strict blue-eyed grass · Iridaceae
• 
  Solanum americanum Mill. Native SOAM

  American black nightshade · Solanaceae
• 
  Solanum carolinense L. Native SOCA3

  Carolina horsenettle · Solanaceae
• 
  Solanum carolinense L. var. carolinense Native SOCAC4

  Carolina horsenettle · Solanaceae
• 
  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
• 
  Solanum interius Rydb. Native SOIN2

  deadly nightshade · Solanaceae
• 
  Solanum ptycanthum Dunal Native SOPT7

  West Indian nightshade · Solanaceae
• 
  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
• 
  Solanum triflorum Nutt. Native SOTR

  cutleaf nightshade · Solanaceae
• 
  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae
• 
  Solidago missouriensis Nutt. Native SOMI2

  Missouri goldenrod · Asteraceae
• 
  Solidago petiolaris Aiton Native SOPE

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

  downy ragged goldenrod · Asteraceae
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae
• 
  Sophora nuttalliana B.L. Turner Native SONU

  silky sophora · Fabaceae
• 
  Sorghastrum nutans (L.) Nash Native SONU2

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

  Johnsongrass · Poaceae
• 
  Spartina pectinata Bosc ex Link Native SPPE

  prairie cordgrass · Poaceae
• 
  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae
• 
  Sphaeralcea angustifolia (Cav.) G. Don Native SPAN3

  copper globemallow · Malvaceae
• 
  Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

  scarlet globemallow · Malvaceae
• 
  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae
• 
  Spiranthes vernalis Engelm. & A. Gray Native SPVE

  spring lady's tresses · Orchidaceae
• 
  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae
• 
  Sporobolus airoides (Torr.) Torr. Native SPAI

  alkali sacaton · Poaceae
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
• 
  Sporobolus giganteus Nash Native SPGI

  giant dropseed · Poaceae
• 
  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