Linn County

Showing 801–850 of 895.

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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum Native SYLAL6

  white panicle aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum var. interior (Wiegand) G.L. Nesom Native SYLAI3

  white panicle aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum var. lanceolatum Native SYLAL4

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

  aromatic aster · Asteraceae
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  Symphyotrichum ontarionis (Wiegand) G.L. Nesom Native SYON2

  bottomland aster · Asteraceae
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  Symphyotrichum oolentangiense (Riddell) G.L. Nesom Native SYOO

  skyblue aster · Asteraceae
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  Symphyotrichum oolentangiense (Riddell) G.L. Nesom var. oolentangiense Native SYOOO

  skyblue aster · Asteraceae
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  Symphyotrichum parviceps (Burgess) G.L. Nesom Native SYPA10

  smallhead aster · Asteraceae
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  Symphyotrichum pilosum (Willd.) G.L. Nesom Native SYPI2

  hairy white oldfield aster · Asteraceae
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  Symphyotrichum pilosum (Willd.) G.L. Nesom var. pilosum Native SYPIP3

  hairy white oldfield 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. praealtum Native SYPRP

  willowleaf aster · Asteraceae
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  Taenidia integerrima (L.) Drude Native TAIN

  yellow pimpernel · Apiaceae
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  Taraxacum officinale F.H. Wigg. Both TAOF

  common dandelion · Asteraceae
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  Taraxacum officinale F.H. Wigg. ssp. officinale Introduced TAOFO

  common dandelion · Asteraceae
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  Tephrosia virginiana (L.) Pers. Native TEVI

  Virginia tephrosia · Fabaceae
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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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  Thaspium barbinode (Michx.) Nutt. Native THBA

  hairyjoint meadowparsnip · Apiaceae
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  Thlaspi arvense L. Introduced THAR5

  field pennycress · Brassicaceae
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  Tilia americana L. Native TIAM

  American basswood · Tiliaceae
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  Tilia americana L. var. americana Native TIAMA

  American basswood · Tiliaceae
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  Torilis arvensis (Huds.) Link Introduced TOAR

  spreading hedgeparsley · Apiaceae
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  Torilis arvensis (Huds.) Link ssp. arvensis Introduced TOARA

  spreading hedgeparsley · Apiaceae
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  Toxicodendron radicans (L.) Kuntze Native TORA2

  eastern poison ivy · Anacardiaceae
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  Toxicodendron radicans (L.) Kuntze ssp. negundo (Greene) Gillis Native TORAN

  eastern poison ivy · Anacardiaceae
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  Tradescantia ohiensis Raf. Native TROH

  bluejacket · Commelinaceae
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  Tragia betonicifolia Nutt. Native TRBE4

  betonyleaf noseburn · Euphorbiaceae
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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 flavus (L.) Hitchc. Native TRFL2

  purpletop tridens · Poaceae
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  Tridens flavus (L.) Hitchc. var. flavus Native TRFLF

  purpletop tridens · Poaceae
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  Trifolium campestre Schreb. Introduced TRCA5

  field clover · Fabaceae
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  Trifolium dubium Sibth. Introduced TRDU2

  suckling clover · Fabaceae
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  Trifolium pratense L. Introduced TRPR2

  red clover · Fabaceae
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  Trifolium reflexum L. Native TRRE2

  buffalo clover · Fabaceae
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  Trifolium repens L. Introduced TRRE3

  white clover · Fabaceae
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  Trifolium stoloniferum Muhl. ex Eaton Native TRST4

  running buffalo clover · Fabaceae
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  Trillium sessile L. Native TRSE2

  toadshade · Liliaceae
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  Triodanis leptocarpa (Nutt.) Nieuwl. Native TRLE3

  slimpod Venus' looking-glass · Campanulaceae
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  Triodanis perfoliata (L.) Nieuwl. Native TRPE4

  clasping Venus' looking-glass · Campanulaceae
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  Triosteum aurantiacum E.P. Bicknell Native TRAU4

  orangefruit horse-gentian · Caprifoliaceae
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  Triosteum aurantiacum E.P. Bicknell var. illinoense (Wiegand) Palmer & Steyerm. Native TRAUI

  Illinois horse-gentian · Caprifoliaceae
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  Triosteum perfoliatum L. Native TRPE5

  feverwort · Caprifoliaceae
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  Tripsacum dactyloides (L.) L. Native TRDA3

  eastern gamagrass · Poaceae
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  Typha angustifolia L. Both TYAN

  narrowleaf cattail · Typhaceae
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  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 pumila L. Introduced ULPU

  Siberian elm · Ulmaceae