Harper County

Showing 301–343 of 343 (native).

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  Spermolepis inermis (Nutt. ex DC.) Mathias & Constance Native SPIN

  Red River scaleseed · Apiaceae
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  Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

  scarlet globemallow · Malvaceae
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  Sphaeralcea coccinea (Nutt.) Rydb. ssp. coccinea Native SPCOC

  scarlet globemallow · Malvaceae
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  Spiranthes vernalis Engelm. & A. Gray Native SPVE

  spring lady's tresses · Orchidaceae
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  Sporobolus airoides (Torr.) Torr. Native SPAI

  alkali sacaton · Poaceae
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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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  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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  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae
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  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

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

  white heath aster · Asteraceae
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  Symphyotrichum falcatum (Lindl.) G.L. Nesom Native SYFA

  white prairie aster · Asteraceae
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  Symphyotrichum falcatum (Lindl.) G.L. Nesom var. commutatum (Torr. & A. Gray) G.L. Nesom Native SYFAC

  white prairie aster · Asteraceae
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  Symphyotrichum oblongifolium (Nutt.) G.L. Nesom Native SYOB

  aromatic aster · 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 exscapa (Richardson) Porter Native TOEX2

  stemless Townsend daisy · Asteraceae
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  Toxicodendron rydbergii (Small ex Rydb.) Greene Native TORY

  western poison ivy · Anacardiaceae
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  Tradescantia occidentalis (Britton) Smyth Native TROC

  prairie spiderwort · Commelinaceae
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  Tridens albescens (Vasey) Wooton & Standl. Native TRAL2

  white tridens · Poaceae
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  Tridens muticus (Torr.) Nash Native TRMU

  slim tridens · Poaceae
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  Triplasis purpurea (Walter) Chapm. Native TRPU4

  purple sandgrass · Poaceae
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  Tripsacum dactyloides (L.) L. Native TRDA3

  eastern gamagrass · Poaceae
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  Typha domingensis Pers. Native TYDO

  southern cattail · Typhaceae
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  Ulmus americana L. Native ULAM

  American elm · Ulmaceae
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  Verbena bracteata Cav. ex Lag. & Rodr. Native VEBR

  bigbract verbena · Verbenaceae
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  Verbena hastata L. Native VEHA2

  swamp verbena · Verbenaceae
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  Verbena stricta Vent. Native VEST

  hoary verbena · Verbenaceae
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  Vernonia baldwinii Torr. Native VEBA

  Baldwin's ironweed · Asteraceae
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  Vernonia baldwinii Torr. ssp. interior (Small) Faust Native VEBAI2

  interior ironweed · Asteraceae
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  Vicia ludoviciana Nutt. Native VILU

  Louisiana vetch · Fabaceae
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  Vicia ludoviciana Nutt. ssp. ludoviciana Native VILUL2

  Louisiana vetch · Fabaceae
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  Vitis riparia Michx. Native VIRI

  riverbank grape · Vitaceae
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  Vulpia octoflora (Walter) Rydb. Native VUOC

  sixweeks fescue · Poaceae
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  Vulpia octoflora (Walter) Rydb. var. octoflora Native VUOCO

  sixweeks fescue · Poaceae
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  Yucca glauca Nutt. Native YUGL

  soapweed yucca · Agavaceae
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  Zannichellia palustris L. Native ZAPA

  horned pondweed · Zannichelliaceae
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  Zinnia grandiflora Nutt. Native ZIGR

  Rocky Mountain zinnia · Asteraceae