Hemphill County

Showing 501–550 of 654.

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  Psilostrophe tagetina (Nutt.) Greene var. cerifera (A. Nelson) B.L. Turner Native PSTAC

  woolly paperflower · Asteraceae
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  Ptelea trifoliata L. Native PTTR

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. trifoliata Native PTTRT

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. trifoliata var. mollis Torr. & A. Gray Native PTTRM

  common hoptree · Rutaceae
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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 havardii Rydb. Native QUHA3

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

  Havard oak · Fagaceae
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  Quercus stellata Wangenh. Native QUST

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

  Chinese lantern · Solanaceae
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  Ranunculus longirostris Godr. Native RALO2

  longbeak buttercup · Ranunculaceae
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  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
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  Rayjacksonia annua (Rydb.) R.L. Hartm. & M.A. Lane Native RAAN2

  viscid tansyaster · Asteraceae
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  Rhus glabra L. Native RHGL

  smooth sumac · Anacardiaceae
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  Rhus trilobata Nutt. Native RHTR

  skunkbush sumac · Anacardiaceae
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  Rhus trilobata Nutt. var. pilosissima Engelm. Native RHTRP

  pubescent skunkbush sumac · Anacardiaceae
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  Ribes aureum Pursh Native RIAU

  golden currant · Grossulariaceae
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  Ribes aureum Pursh var. villosum DC. Native RIAUV

  golden currant · Grossulariaceae
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  Robinia pseudoacacia L. Native ROPS

  black locust · Fabaceae
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  Rorippa palustris (L.) Besser Native ROPA2

  bog yellowcress · Brassicaceae
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  Rorippa sinuata (Nutt.) Hitchc. Native ROSI2

  spreading yellowcress · Brassicaceae
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  Rosa arkansana Porter Native ROAR3

  prairie rose · Rosaceae
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  Rosa bracteata J.C. Wendl. Introduced ROBR

  Macartney rose · Rosaceae
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  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae
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  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae
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  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae
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  Sagittaria cuneata Sheldon Native SACU

  arumleaf arrowhead · Alismataceae
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  Sagittaria latifolia Willd. Native SALA2

  broadleaf arrowhead · Alismataceae
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  Sagittaria longiloba Engelm. ex J.G. Sm. Native SALO2

  longbarb arrowhead · Alismataceae
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  Salix amygdaloides Andersson Native SAAM2

  peachleaf willow · Salicaceae
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  Salix exigua Nutt. Native SAEX

  narrowleaf willow · Salicaceae
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  Salix nigra Marshall Native SANI

  black willow · Salicaceae
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  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae
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  Salvia azurea Michx. ex Lam. Native SAAZ

  azure blue sage · Lamiaceae
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  Salvia azurea Michx. ex Lam. var. grandiflora Benth. Native SAAZG

  pitcher sage · Lamiaceae
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  Salvia reflexa Hornem. Native SARE3

  lanceleaf sage · Lamiaceae
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  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae
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  Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4

  American black elderberry · Caprifoliaceae
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  Samolus ebracteatus Kunth Native SAEB2

  limewater brookweed · Primulaceae
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  Samolus ebracteatus Kunth ssp. cuneatus (Small) R. Knuth Native SAEBC

  limewater brookweed · Primulaceae
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  Samolus valerandi L. Both SAVA3

  seaside brookweed · Primulaceae
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  Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAP

  seaside brookweed · Primulaceae
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  Sanicula canadensis L. Native SACA15

  Canadian blacksnakeroot · Apiaceae
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  Sapindus saponaria L. Native SASA4

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

  western soapberry · Sapindaceae
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  Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

  tumblegrass · Poaceae
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  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae
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  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3

  hardstem bulrush · Cyperaceae
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  Schoenoplectus heterochaetus (Chase) Soják Native SCHE5

  slender bulrush · Cyperaceae
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  Schoenoplectus pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae