Collin County

Showing 251–300 of 355.

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  Pluchea odorata (L.) Cass. var. odorata Native PLODO

  sweetscent · Asteraceae
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  Poa arachnifera Torr. Native POAR

  Texas bluegrass · Poaceae
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  Polytaenia nuttallii DC. Native PONU4

  Nuttall's prairie parsley · Apiaceae
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  Polytaenia texana (J.M. Coult. & Rose) Mathias & Constance Native POTE3

  Texas prairie parsley · Apiaceae
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  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae
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  Populus deltoides W. Bartram ex Marshall ssp. deltoides Native PODED

  eastern cottonwood · Salicaceae
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  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae
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  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae
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  Prunus mexicana S. Watson Native PRME

  Mexican plum · Rosaceae
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  Prunus umbellata Elliott Native PRUM

  hog plum · Rosaceae
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  Prunus umbellata Elliott var. umbellata Native PRUMU

  hog plum · Rosaceae
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  Pyrrhopappus carolinianus (Walter) DC. Native PYCA2

  Carolina desert-chicory · Asteraceae
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  Pyrrhopappus grandiflorus (Nutt.) Nutt. Native PYGR2

  tuberous desert-chicory · Asteraceae
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  Pyrrhopappus pauciflorus (D. Don) DC. Native PYPA4

  smallflower desert-chicory · Asteraceae
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  Quercus macrocarpa Michx. Native QUMA2

  bur oak · Fagaceae
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  Quercus macrocarpa Michx. var. macrocarpa Native QUMAM

  bur oak · Fagaceae
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  Quercus marilandica Münchh. Native QUMA3

  blackjack oak · Fagaceae
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  Rapistrum rugosum (L.) All. Introduced RARU

  annual bastardcabbage · Brassicaceae
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  Rhus copallinum L. Native RHCO

  winged sumac · Anacardiaceae
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  Rhus copallinum L. var. latifolia Engl. Native RHCOL2

  winged sumac · Anacardiaceae
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  Rhus glabra L. Native RHGL

  smooth sumac · Anacardiaceae
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  Rosa foliolosa Nutt. ex Torr. & A. Gray Native ROFO

  white prairie rose · Rosaceae
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  Ruellia humilis Nutt. Native RUHU

  fringeleaf wild petunia · Acanthaceae
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  Ruellia strepens L. Native RUST2

  limestone wild petunia · Acanthaceae
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  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae
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  Sagittaria brevirostra Mack. & Bush Native SABR8

  shortbeak arrowhead · Alismataceae
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  Salvia farinacea Benth. Native SAFA2

  mealycup sage · Lamiaceae
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  Scabiosa atropurpurea L. Introduced SCAT

  mourningbride · Dipsacaceae
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  Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

  tumblegrass · Poaceae
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  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae
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  Sclerochloa dura (L.) P. Beauv. Introduced SCDU2

  common hardgrass · Poaceae
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  Scutellaria drummondii Benth. Native SCDR2

  Drummond's skullcap · Lamiaceae
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  Scutellaria drummondii Benth. var. edwardsiana B.L. Turner Native SCDRE

  Drummond's skullcap · Lamiaceae
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  Scutellaria wrightii A. Gray Native SCWR2

  Wright's skullcap · Lamiaceae
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  Setaria italica (L.) P. Beauv. Introduced SEIT

  foxtail millet · Poaceae
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  Sibara virginica (L.) Rollins Native SIVI2

  Virginia winged rockcress · Brassicaceae
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  Sideroxylon lanuginosum Michx. Native SILA20

  gum bully · Sapotaceae
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  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae
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  Silybum marianum (L.) Gaertn. Introduced SIMA3

  blessed milkthistle · Asteraceae
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  Sisyrinchium langloisii Greene Native SILA5

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

  hairy leafcup · Asteraceae
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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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  Solidago radula Nutt. Native SORA

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

  spiny sowthistle · Asteraceae
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  Sonchus oleraceus L. Introduced SOOL

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

  Indiangrass · Poaceae
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  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae
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  Sporobolus compositus (Poir.) Merr. Native SPCO16

  composite dropseed · Poaceae