Gray County

Showing 251–300 of 333.

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

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

  slimflower scurfpea · Fabaceae
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  Pyrrhopappus grandiflorus (Nutt.) Nutt. Native PYGR2

  tuberous 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 mohriana Buckley ex Rydb. Native QUMO

  Mohr oak · Fagaceae
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  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
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  Ratibida tagetes (James) Barnhart Native RATA

  green prairie coneflower · Asteraceae
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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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  Rorippa sinuata (Nutt.) Hitchc. Native ROSI2

  spreading yellowcress · Brassicaceae
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  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae
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  Sagittaria calycina Engelm. Native SACA21

  hooded arrowhead · Alismataceae
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  Sagittaria calycina Engelm. var. calycina Native SACAC

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

  longbarb arrowhead · Alismataceae
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  Sagittaria montevidensis Cham. & Schltdl. Introduced SAMO

  giant arrowhead · Alismataceae
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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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  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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  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 pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae
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  Scutellaria resinosa Torr. Native SCRE3

  sticky skullcap · Lamiaceae
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  Setaria parviflora (Poir.) Kerguélen Native SEPA10

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

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

  green bristlegrass · Poaceae
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  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
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  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
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  Solidago altiplanities C.E.S. Taylor & R.J. Taylor Native SOAL5

  high plains goldenrod · Asteraceae
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  Solidago canadensis L. Native SOCA6

  Canada goldenrod · Asteraceae
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  Solidago canadensis L. var. gilvocanescens Rydb. Native SOCAG

  shorthair goldenrod · Asteraceae
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  Solidago mollis Bartlett Native SOMO

  velvety goldenrod · Asteraceae
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  Solidago petiolaris Aiton Native SOPE

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

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

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

  silky sophora · Fabaceae
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  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae
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  Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

  scarlet globemallow · Malvaceae
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  Sporobolus airoides (Torr.) Torr. Native SPAI

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

  sand dropseed · Poaceae
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  Stenaria nigricans (Lam.) Terrell Native STNI6

  diamond-flowers · Rubiaceae
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  Stenaria nigricans (Lam.) Terrell var. nigricans Native STNIN

  diamondflowers · Rubiaceae
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  Stenosiphon linifolius (Nutt. ex James) Heynh. Native STLI2

  false gaura · Onagraceae