| Spergula arvensis |
Corn Spurrey |
| Spergula arvensis |
Corn Spurrey |
| Spergularia marina |
Lesser Sea-Spurrey; Saltmarsh Sand Spurry |
| Spermacoce |
Buttonweed |
| Spermacoce hispida |
|
| Spermacoce remota |
|
| Spermacoce rubescens |
|
| Spermacoce tenuior |
Slender Buttonweed |
| Spermacoce tetraquetra |
Hairy Spermacoce |
| Spermacoce verticillata |
|
| Sphaericus |
Humped Spider Beetle |
| Sphaeriestes sculptilis |
|
| Sphaeropsocopsis insularum |
|
| Sphagneticola trilobata |
Trailing Yellow Marigold |
| Sphagneticola trilobata |
Seaside Creeping Daisy |
| Sphagneticola trilobata |
|
| Sphagneticola trilobata |
|
| Sphagnum |
|
| Sphenopholis obtusata |
Prairie Wedge Grass |
| Sphenophorus venatus vestitus |
|
| Sphex sericeus |
Digger Wasp |
| Sphingomorpha chlorea |
Sundowner Moth |
| Sphyrocoris obliquus |
|
| Spigelia anthelmia |
Pink Weed |
| Spilochalcis |
|
| Spinacia oleracea |
Spinach |
| Spinibdella |
|
| Spinilimosina brevicostata |
|
| Spiraea cantoniensis |
Chinese Spiraea; White Spiraea; White Spirea |
| Spiraea cantoniensis |
|
