Index / States / Arkansas / Washington
§1County listing — Arkansas
Washington County
Arkansas
- FIPS
- 05143
- Taxa recorded
- 1,975
- State
- Arkansas
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Showing 301–350 of 386 (introduced).
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Sagittaria montevidensis Cham. & Schltdl. Introduced SAMOgiant arrowhead · Alismataceae - Salix fragilis L. Introduced SAFRcrack willow · Salicaceae
- Salix ×sepulcralis Simonkai [alba × babylonica] Introduced SASE10weeping willow · Salicaceae
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Saponaria officinalis L. Introduced SAOF4bouncingbet · Caryophyllaceae -
Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7tall fescue · Poaceae -
Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4meadow fescue · Poaceae -
Scleranthus annuus L. Introduced SCAN2German knotgrass · Caryophyllaceae -
Sclerochloa dura (L.) P. Beauv. Introduced SCDU2common hardgrass · Poaceae -
Securigera varia (L.) Lassen Introduced SEVA4crownvetch · Fabaceae -
Senecio vulgaris L. Introduced SEVUold-man-in-the-Spring · Asteraceae -
Senna alata (L.) Roxb. Introduced SEAL4emperor's candlesticks · Fabaceae -
Senna occidentalis (L.) Link Introduced SEOC2septicweed · Fabaceae -
Senna tora (L.) Roxb. Introduced SETO4sickle senna · Fabaceae -
Sesbania punicea (Cav.) Benth. Introduced SEPU7rattlebox · Fabaceae -
Setaria faberi Herrm. Introduced SEFAJapanese bristlegrass · Poaceae -
Setaria pumila (Poir.) Roem. & Schult. Introduced SEPU8yellow foxtail · Poaceae - Setaria pumila (Poir.) Roem. & Schult. ssp. pumila Introduced SEPUP2yellow foxtail · Poaceae
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Setaria verticillata (L.) P. Beauv. Introduced SEVE3hooked bristlegrass · Poaceae -
Setaria viridis (L.) P. Beauv. Introduced SEVI4green bristlegrass · Poaceae - Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIVgreen bristlegrass · Poaceae
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Sherardia arvensis L. Introduced SHAR2blue fieldmadder · Rubiaceae -
Silene latifolia Poir. Introduced SILA21bladder campion · Caryophyllaceae - Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet Introduced SILAA3bladder campion · Caryophyllaceae
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Sinapis arvensis L. Introduced SIAR4charlock mustard · Brassicaceae - Sinapis arvensis L. ssp. arvensis Introduced SIARAwild mustard · Brassicaceae
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Sisymbrium altissimum L. Introduced SIAL2tall tumblemustard · Brassicaceae -
Sisymbrium officinale (L.) Scop. Introduced SIOFhedgemustard · Brassicaceae -
Solanum sisymbriifolium Lam. Introduced SOSIsticky nightshade · Solanaceae -
Soliva sessilis Ruiz & Pav. Introduced SOSE2field burrweed · Asteraceae -
Sonchus asper (L.) Hill Introduced SOASspiny sowthistle · Asteraceae -
Sonchus oleraceus L. Introduced SOOLcommon sowthistle · Asteraceae -
Sorghum bicolor (L.) Moench Introduced SOBI2sorghum · Poaceae -
Sorghum halepense (L.) Pers. Introduced SOHAJohnsongrass · Poaceae -
Sphenoclea zeylanica Gaertn. Introduced SPZEchickenspike · Sphenocleaceae -
Stellaria media (L.) Vill. Introduced STME2common chickweed · Caryophyllaceae -
Symphytum officinale L. Introduced SYOFcommon comfrey · Boraginaceae -
Tanacetum vulgare L. Introduced TAVUcommon tansy · Asteraceae -
Taraxacum laevigatum (Willd.) DC. Introduced TALA2rock dandelion · Asteraceae -
Taraxacum officinale F.H. Wigg. ssp. officinale Introduced TAOFOcommon dandelion · Asteraceae -
Thlaspi arvense L. Introduced THAR5field pennycress · Brassicaceae -
Torilis arvensis (Huds.) Link Introduced TOARspreading hedgeparsley · Apiaceae - Torilis arvensis (Huds.) Link ssp. arvensis Introduced TOARAspreading hedgeparsley · Apiaceae
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Torilis japonica (Houtt.) DC. Introduced TOJAerect hedgeparsley · Apiaceae -
Torilis nodosa (L.) Gaertn. Introduced TONOknotted hedgeparsley · Apiaceae -
Tragopogon dubius Scop. Introduced TRDUyellow salsify · Asteraceae -
Tragopogon porrifolius L. Introduced TRPOsalsify · Asteraceae -
Triadica sebifera (L.) Small Introduced TRSE6Chinese tallow · Euphorbiaceae -
Tribulus terrestris L. Introduced TRTEpuncturevine · Zygophyllaceae -
Trifolium arvense L. Introduced TRAR4rabbitfoot clover · Fabaceae -
Trifolium campestre Schreb. Introduced TRCA5field clover · Fabaceae