Weed Herbarium – by Scientific Name
Sagina procumbens | birdseye pearlwort | Caryophyllaceae - Pink Family |
Saponaria officinalis | bouncing bet | Caryophyllaceae - Pink Family |
Schizachyrium scoparium | see - Andropogon scoparius |
Scleranthus annuus | knawel | Caryophyllaceae - Pink Family |
Scrophularia nodosa | common figwort | Scrophulariaceae - Figwort Family |
Senecio jacobaea | tansy ragwort | Asteraceae (Compositae) - Aster or Sunflower Family |
Senecio vulgaris | common groundsel | Asteraceae (Compositae) - Aster or Sunflower Family |
Setaria lutescens | see - Setaria glauca | |
Setaria faberi | giant foxtail | Poaceae (Graminae) - Grass Family |
Setaria glauca | yellow foxtail | Poaceae (Graminae) - Grass Family |
Sicyos angulatus | burcucumber | Cucurbitaceae - Gourd Family |
Silene cucubalus | see - Silene vulgaris | |
Silene alba | white cockle | Caryophyllaceae - Pink Family |
Silene vulgaris | bladder campion | Caryophyllaceae - Pink Family |
Silphium perfoliatum | cup plant | Asteraceae (Compositae) - Aster or Sunflower Family |
Sinapis arvensis | see - Brassica kaber |
Sisymbrium officinale | hedge mustard | Brassicaceae (Cruciferae) - Mustard Family |
Smilax herbacea | carrion flower | Smilacaceae - Catbrier Family |
Solanum carolinense | horsenettle | Solanaceae - Nightshade Family |
Solanum dulcamara | bittersweet nightshade | Solanaceae - Nightshade Family |
Solanum ptycanthum | eastern black nightshade | Solanaceae - Nightshade Family |
Solidago canadensis | Canada goldenrod | Asteraceae (Compositae) - Aster or Sunflower Family |
Solidago graminifolia | narrowleaf goldenrod | Asteraceae (Compositae) - Aster or Sunflower Family |
Solidago sempervirens | seashore goldenrod | Asteraceae (Compositae) - Aster or Sunflower Family |
Sonchus arvensis | perennial sowthistle | Asteraceae (Compositae) - Aster or Sunflower Family |
Sonchus asper | spiny sowthistle | Asteraceae (Compositae) - Aster or Sunflower Family |
Sonchus oleraceus | annual sowthistle | Asteraceae (Compositae) - Aster or Sunflower Family |
Sorghastrum nutans | yellow Indiangrass | Poaceae (Graminae) - Grass Family |
Sorghum halepense | Johnson grass | Poaceae (Graminae) - Grass Family |
Spergularia rubra | red sandspurry | Caryophyllaceae - Pink Family |
Stellaria graminifolia | see - Stellaria graminea | |
Stellaria graminea | little starwort | Caryophyllaceae - Pink Family |
Stellaria media | common chickweed | Caryophyllaceae - Pink Family |
Symplocarpus foetidus | common skunk cabbage | Araceae - Arum Family |