Howard County

Showing 201–250 of 270.

• 
  Pilostyles thurberi A. Gray Native PITH

  Thurber's stemsucker · Rafflesiaceae
• 
  Plantago helleri Small Native PLHE

  Heller's plantain · Plantaginaceae
• 
  Plantago rhodosperma Decne. Native PLRH

  redseed plantain · Plantaginaceae
• 
  Pleuraphis mutica Buckley Native PLMU3

  tobosagrass · Poaceae
• 
  Polygonum striatulum B.L. Rob. Native POST7

  striped knotweed · Polygonaceae
• 
  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae
• 
  Psilostrophe tagetina (Nutt.) Greene Native PSTA

  woolly paperflower · Asteraceae
• 
  Psilostrophe tagetina (Nutt.) Greene var. cerifera (A. Nelson) B.L. Turner Native PSTAC

  woolly paperflower · Asteraceae
• 
  Psoralidium tenuiflorum (Pursh) Rydb. Native PSTE5

  slimflower scurfpea · Fabaceae
• 
  Pyrrhopappus pauciflorus (D. Don) DC. Native PYPA4

  smallflower desert-chicory · Asteraceae
• 
  Quercus havardii Rydb. Native QUHA3

  Havard oak · Fagaceae
• 
  Quercus havardii Rydb. var. havardii Native QUHAH

  Havard oak · Fagaceae
• 
  Quercus mohriana Buckley ex Rydb. Native QUMO

  Mohr oak · Fagaceae
• 
  Quercus sinuata Walter Native QUSI

  bastard oak · Fagaceae
• 
  Quercus sinuata Walter var. breviloba (Torr.) C.H. Mull. Native QUSIB

  bastard oak · Fagaceae
• 
  Quincula lobata (Torr.) Raf. Native QULO2

  Chinese lantern · Solanaceae
• 
  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
• 
  Rhus microphylla Engelm. ex A. Gray Native RHMI3

  littleleaf sumac · Anacardiaceae
• 
  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae
• 
  Salvia texana (Scheele) Torr. Native SATE3

  Texas sage · Lamiaceae
• 
  Sapindus saponaria L. Native SASA4

  wingleaf soapberry · Sapindaceae
• 
  Sapindus saponaria L. var. drummondii (Hook. & Arn.) L.D. Benson Native SASAD

  western soapberry · Sapindaceae
• 
  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae
• 
  Scleropogon brevifolius Phil. Native SCBR2

  burrograss · Poaceae
• 
  Selinocarpus diffusus A. Gray Native SEDI3

  spreading moonpod · Nyctaginaceae
• 
  Senecio flaccidus Less. Native SEFL3

  threadleaf ragwort · Asteraceae
• 
  Senegalia roemeriana (Scheele) Britton & Rose Native SERO

  roundflower catclaw · Fabaceae
• 
  Senna pumilio (A. Gray) Irwin & Barneby Native SEPU13

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

  twoleaf senna · Fabaceae
• 
  Sesuvium verrucosum Raf. Native SEVE2

  verrucose seapurslane · Aizoaceae
• 
  Setaria leucopila (Scribn. & Merr.) K. Schum. Native SELE6

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

  Reverchon's bristlegrass · Poaceae
• 
  Simsia calva (Engelm. & A. Gray) A. Gray Native SICA7

  awnless bushsunflower · Asteraceae
• 
  Sisymbrium irio L. Introduced SIIR

  London rocket · Brassicaceae
• 
  Sophora nuttalliana B.L. Turner Native SONU

  silky sophora · Fabaceae
• 
  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae
• 
  Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

  scarlet globemallow · Malvaceae
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
• 
  Sporobolus giganteus Nash Native SPGI

  giant dropseed · Poaceae
• 
  Sporobolus texanus Vasey Native SPTE5

  Texas dropseed · Poaceae
• 
  Stephanomeria pauciflora (Torr.) A. Nelson Native STPA4

  brownplume wirelettuce · Asteraceae
• 
  Suaeda suffrutescens S. Watson Native SUSU

  desert seepweed · Chenopodiaceae
• 
  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

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

  white heath aster · Asteraceae
• 
  Tetraneuris scaposa (DC.) Greene Native TESC2

  stemmy four-nerve daisy · Asteraceae
• 
  Tetraneuris scaposa (DC.) Greene var. scaposa Native TESCS

  stemmy four-nerve daisy · Asteraceae
• 
  Thamnosma texana (A. Gray) Torr. Native THTE2

  rue of the mountains · Rutaceae
• 
  Thelesperma filifolium (Hook.) A. Gray Native THFI

  stiff greenthread · Asteraceae
• 
  Thelesperma filifolium (Hook.) A. Gray var. intermedium (Rydb.) Shinners Native THFII

  stiff greenthread · Asteraceae
• 
  Thelesperma simplicifolium A. Gray Native THSI

  slender greenthread · Asteraceae