Washington County

Showing 1,701–1,750 of 1,967.

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  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae
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  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae
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  Sparganium americanum Nutt. Native SPAM

  American bur-reed · Sparganiaceae
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  Spermacoce glabra Michx. Native SPGL2

  smooth false buttonweed · Rubiaceae
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  Spermolepis divaricata (Walter) Raf. ex Ser. Native SPDI2

  roughfruit scaleseed · Apiaceae
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  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae
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  Sphenoclea zeylanica Gaertn. Introduced SPZE

  chickenspike · Sphenocleaceae
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  Sphenopholis filiformis (Chapm.) Scribn. Native SPFI

  longleaf wedgescale · Poaceae
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  Sphenopholis nitida (Biehler) Scribn. Native SPNI

  shiny wedgescale · Poaceae
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  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae
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  Spigelia marilandica (L.) L. Native SPMA3

  woodland pinkroot · Loganiaceae
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  Spiraea thunbergii Siebold ex Blume Introduced SPTH2

  Thunberg's meadowsweet · Rosaceae
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  Spiranthes odorata (Nutt.) Lindl. Native SPOD

  marsh lady's tresses · Orchidaceae
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  Spiranthes ovalis Lindl. Native SPOV

  October lady's tresses · Orchidaceae
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  Spiranthes praecox (Walter) S. Watson Native SPPR2

  greenvein lady's tresses · Orchidaceae
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  Spiranthes tuberosa Raf. Native SPTU

  little lady's tresses · Orchidaceae
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  Spiranthes vernalis Engelm. & A. Gray Native SPVE

  spring lady's tresses · Orchidaceae
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  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae
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  Sporobolus clandestinus (Biehler) Hitchc. Native SPCL

  rough dropseed · Poaceae
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  Sporobolus indicus (L.) R. Br. Introduced SPIN4

  smut grass · Poaceae
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  Sporobolus indicus (L.) R. Br. var. indicus Introduced SPINI2

  smut grass · Poaceae
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  Sporobolus junceus (P. Beauv.) Kunth Native SPJU

  pineywoods dropseed · Poaceae
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  Stachys crenata Raf. Native STCR7

  mousesear · Lamiaceae
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  Stachys floridana Shuttlw. ex Benth. Native STFL4

  Florida hedgenettle · Lamiaceae
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  Stachys tenuifolia Willd. Native STTE

  smooth hedgenettle · Lamiaceae
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  Stellaria media (L.) Vill. Introduced STME2

  common chickweed · Caryophyllaceae
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  Stellaria media (L.) Vill. ssp. media Introduced STMEM

  common chickweed · Caryophyllaceae
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  Stenanthium gramineum (Ker Gawl.) Morong Native STGR2

  eastern featherbells · Liliaceae
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  Stenanthium gramineum (Ker Gawl.) Morong var. gramineum Native STGRG2

  eastern featherbells · Liliaceae
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  Stenotaphrum secundatum (Walter) Kuntze Native STSE

  St. Augustine grass · Poaceae
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  Stewartia malacodendron L. Native STMA

  silky camellia · Theaceae
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  Stokesia laevis (Hill) Greene Native STLA6

  Stokes' aster · Asteraceae
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  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae
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  Strophostyles umbellata (Muhl. ex Willd.) Britton Native STUM2

  pink fuzzybean · Fabaceae
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  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae
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  Stylisma humistrata (Walter) Chapm. Native STHU2

  southern dawnflower · Convolvulaceae
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  Stylodon carneus (Medik.) Moldenke Native STCA6

  Carolina false vervain · Verbenaceae
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  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2

  sidebeak pencilflower · Fabaceae
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  Styrax americanus Lam. Native STAM4

  American snowbell · Styracaceae
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  Styrax grandifolius Aiton Native STGR4

  bigleaf snowbell · Styracaceae
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  Symphyotrichum adnatum (Nutt.) G.L. Nesom Native SYAD

  scaleleaf aster · Asteraceae
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  Symphyotrichum concolor (L.) G.L. Nesom Native SYCO3

  eastern silver aster · Asteraceae
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  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae
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  Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDR

  Drummond's aster · Asteraceae
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  Symphyotrichum drummondii (Lindl.) G.L. Nesom var. drummondii Native SYDRD

  Drummond's aster · Asteraceae
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  Symphyotrichum dumosum (L.) G.L. Nesom Native SYDU2

  rice button aster · Asteraceae
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  Symphyotrichum dumosum (L.) G.L. Nesom var. dumosum Native SYDUD2

  rice button aster · Asteraceae
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  Symphyotrichum elliottii (Torr. & A. Gray) G.L. Nesom Native SYEL2

  Marsh American-Aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6

  white panicle aster · Asteraceae
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  Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve Native SYLA4

  calico aster · Asteraceae