Common Weed Names:
S
| Common Name |
|
Scientific Name |
| Salsify, Western |
|
Tragopogon dubius |
| Sandbur, Longspine |
|
Cenchrus longispinus |
| Scarlet Pimpernel |
|
Anagallis arvensis |
| Sericea Lespedeza |
|
Lespedeza cuneata |
| Shepherd's-purse |
|
Capsella bursa-pastoris |
| Showy Crotalaria |
|
Crotalaria spectabilis |
| Sicklepod |
|
Cassia obtusifolius |
| Signalgrass, Broadleaf |
|
Brachiaria platyphylla |
| Silverleaf Nightshade |
|
Solanum eleagnifolium |
| Slender Naiad |
|
Najas minor |
| Slender Pondweed |
|
Potamogeton pusillus |
| Smallflower Morningglory |
|
Jacquemontia tamnifolia |
| Small-flowered Crowfoot |
|
Ranunculus abortivus |
| Smartweed, Pennsylvania |
|
Polygonum pensylvanicum |
| Smartweed, Swamp |
|
Polygonum coccineum |
| Smooth Bedstraw |
|
Galium mollugo |
| Smooth Crabgrass |
|
Digitaria ischaemum |
| Smooth Hawksbeard |
|
Crepis capillaris |
| Smooth Pigweed |
|
Amaranthus hybridus |
| Smooth Vetch |
|
Vicia dasycarpa |
| Soapwort |
|
Saponaria officinalis |
| Sowthistle, Annual |
|
Sonchus oleraceus |
| Sowthistle, Spiny |
|
Sonchus asper |
| Spanishneedles |
|
Bidens bipinnata |
| Speedwell, American |
|
Veronica americana |
| Speedwell, Persian |
|
Veronica persica |
| Spiderwort, Asian |
|
Murdannia keisak |
| Spiny Amaranth |
|
Amaranthus spinosus |
| Spiny Cocklebur |
|
Xanthium spinosum |
| Spiny
Sowthistle |
|
Sonchus asper |
| Spotted
Knapweed |
|
Centaurea maculosa |
| Spotted Spurge |
|
Euphorbia maculata |
| Spurge, Caper |
|
Euphorbia lathyris |
| Spurge, Cypress |
|
Euphorbia cyparissias |
| Spurge, Spotted |
|
Euphobia maculata |
| Spurge, Sun |
|
Euphorbia helioscopia |
| Spurge, Toothed |
|
Euphorbia dentata |
| Spurred Anoda |
|
Anoda cristata |
| Spurry, Corn |
|
Spergula arvensis |
| Starch Grapehyacinth |
|
Muscari racemosum |
| Star-of-Bethlehem |
|
Ornithogalum umbellatum |
| Star Thistle |
|
Centaurea maculosa |
| Starwort, Water |
|
Callitriche heterophylla |
| Stick-tights |
|
Bidens frondosa |
| Stickweed |
|
Verbesina occidentalis |
| Stinging Nettle |
|
Urtica dioica |
| Stinkgrass |
|
Eragrostris cilianensis |
| St. Johnswort |
|
Hypericum perforatum |
| Stonewort |
|
Chara spp. |
| Sulfur Cinquefoil |
|
Potentilla recta |
| Sun Spurge |
|
Euphorbia helioscopia |
| Swamp Milkweed |
|
Aslepias incarnata |
| Swamp Smartweed |
|
Polygonum coccineum |
| Sweet Pea |
|
Lathyrus latifolius |
| Sweet Vernalgrass |
|
Anthoxanthum odoratum |
