Donley County

Showing 251–300 of 303.

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

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

  softstem bulrush · Cyperaceae
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  Scutellaria resinosa Torr. Native SCRE3

  sticky skullcap · Lamiaceae
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  Setaria leucopila (Scribn. & Merr.) K. Schum. Native SELE6

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

  Reverchon's bristlegrass · Poaceae
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  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae
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  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae
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  Sisyrinchium angustifolium Mill. Native SIAN3

  narrowleaf blue-eyed grass · Iridaceae
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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 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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  Sophora nuttalliana B.L. Turner Native SONU

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

  Indiangrass · Poaceae
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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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  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae
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  Sporobolus compositus (Poir.) Merr. Native SPCO16

  composite dropseed · Poaceae
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  Sporobolus compositus (Poir.) Merr. var. compositus Native SPCOC2

  composite dropseed · Poaceae
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  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
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  Sporobolus texanus Vasey Native SPTE5

  Texas 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
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  Stephanomeria pauciflora (Torr.) A. Nelson Native STPA4

  brownplume wirelettuce · Asteraceae
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  Stillingia sylvatica L. Native STSY

  queen's-delight · Euphorbiaceae
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  Stillingia sylvatica L. ssp. sylvatica Native STSYS2

  queen's-delight · Euphorbiaceae
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  Tamarix ramosissima Ledeb. Introduced TARA

  saltcedar · Tamaricaceae
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  Tetraneuris acaulis (Pursh) Greene Native TEAC

  stemless four-nerve daisy · Asteraceae
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  Tetraneuris acaulis (Pursh) Greene var. acaulis Native TEACA2

  stemless four-nerve daisy · Asteraceae
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  Tetraneuris linearifolia (Hook.) Greene Native TELI3

  fineleaf fournerved daisy · Asteraceae
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  Tetraneuris scaposa (DC.) Greene Native TESC2

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

  stemmy four-nerve daisy · Asteraceae
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  Thelesperma megapotamicum (Spreng.) Kuntze Native THME

  Hopi tea greenthread · Asteraceae
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  Tidestromia lanuginosa (Nutt.) Standl. Native TILA2

  woolly tidestromia · Amaranthaceae
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  Townsendia texensis Larsen Native TOTE2

  Texas Townsend daisy · Asteraceae
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  Tradescantia occidentalis (Britton) Smyth Native TROC

  prairie spiderwort · Commelinaceae
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  Tragopogon dubius Scop. Introduced TRDU

  yellow salsify · Asteraceae
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  Tribulus terrestris L. Introduced TRTE

  puncturevine · Zygophyllaceae
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  Tridens albescens (Vasey) Wooton & Standl. Native TRAL2

  white tridens · Poaceae
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  Tridens flavus (L.) Hitchc. Native TRFL2

  purpletop tridens · Poaceae
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  Typha domingensis Pers. Native TYDO

  southern cattail · Typhaceae
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  Typha latifolia L. Native TYLA

  broadleaf cattail · Typhaceae
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  Verbena bracteata Cav. ex Lag. & Rodr. Native VEBR

  bigbract verbena · Verbenaceae
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  Vernonia marginata (Torr.) Raf. Native VEMA2

  plains ironweed · Asteraceae
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  Vitis acerifolia Raf. Native VIAC2

  mapleleaf grape · Vitaceae
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  Xanthisma texanum DC. Native XATE

  Texas sleepydaisy · Asteraceae
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  Xanthisma texanum DC. var. drummondii (Torr. & A. Gray) A. Gray Native XATED

  Drummond's sleepydaisy · Asteraceae
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  Yucca glauca Nutt. Native YUGL

  soapweed yucca · Agavaceae