Knox County

Showing 251–295 of 295 (native).

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  Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe Native SAOD

  clustered blacksnakeroot · Apiaceae
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  Schoenoplectus pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae
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  Schoenoplectus pungens (Vahl) Palla var. longispicatus (Britton) S.G. Sm. Native SCPUL4

  common threesquare · Cyperaceae
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  Scirpus atrovirens Willd. Native SCAT2

  green bulrush · Cyperaceae
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  Silene stellata (L.) W.T. Aiton Native SIST

  widowsfrill · Caryophyllaceae
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  Silphium integrifolium Michx. Native SIIN2

  wholeleaf rosinweed · Asteraceae
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  Silphium integrifolium Michx. var. laeve Torr. & A. Gray Native SIINL

  wholeleaf rosinweed · Asteraceae
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  Smilax lasioneura Hook. Native SMLA3

  Blue Ridge carrionflower · Smilacaceae
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  Smilax tamnoides L. Native SMTA2

  bristly greenbrier · Smilacaceae
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  Solidago altissima L. Native SOAL6

  Canada goldenrod · Asteraceae
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  Spartina pectinata Bosc ex Link Native SPPE

  prairie cordgrass · Poaceae
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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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  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae
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  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
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  Symphoricarpos occidentalis Hook. Native SYOC

  western snowberry · Caprifoliaceae
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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 praealtum (Poir.) G.L. Nesom Native SYPR5

  willowleaf aster · Asteraceae
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  Symphyotrichum praealtum (Poir.) G.L. Nesom var. nebraskense (Britton) G.L. Nesom Native SYPRN

  Nebraska aster · Asteraceae
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  Teucrium canadense L. Native TECA3

  Canada germander · Lamiaceae
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  Teucrium canadense L. var. canadense Native TECAC

  Canada germander · Lamiaceae
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  Thalictrum dasycarpum Fisch. & Avé-Lall. Native THDA

  purple meadow-rue · Ranunculaceae
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  Townsendia exscapa (Richardson) Porter Native TOEX2

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

  prairie spiderwort · Commelinaceae
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  Tradescantia occidentalis (Britton) Smyth var. occidentalis Native TROCO

  prairie spiderwort · Commelinaceae
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  Triodanis perfoliata (L.) Nieuwl. Native TRPE4

  clasping Venus' looking-glass · Campanulaceae
• 
  Typha latifolia L. Native TYLA

  broadleaf cattail · Typhaceae
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  Ulmus americana L. Native ULAM

  American elm · Ulmaceae
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  Ulmus rubra Muhl. Native ULRU

  slippery elm · Ulmaceae
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  Utricularia macrorhiza Leconte Native UTMA

  common bladderwort · Lentibulariaceae
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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 urticifolia L. Native VEUR

  white vervain · Verbenaceae
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  Vicia americana Muhl. ex Willd. Native VIAM

  American vetch · Fabaceae
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  Vicia americana Muhl. ex Willd. ssp. minor (Hook.) C.R. Gunn Native VIAMM3

  mat vetch · Fabaceae
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  Viola sororia Willd. Native VISO

  common blue violet · Violaceae
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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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  Xanthium strumarium L. Native XAST

  rough cocklebur · Asteraceae
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  Yucca glauca Nutt. Native YUGL

  soapweed yucca · Agavaceae
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  Yucca glauca Nutt. var. glauca Native YUGLG2

  soapweed yucca · Agavaceae
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  Zanthoxylum americanum Mill. Native ZAAM

  common pricklyash · Rutaceae
• ⚘
  ×Elyhordeum macounii (Vasey) Barkworth & D.R. Dewey [Elymus trachycaulus × Hordeum jubatum] Native ELMA8

  Macoun's barley · Poaceae