Explore 23,508 Species
Hedge mustard
Sisymbrium officinale (L.) Scop.
Sisymbrium officinale, or hedge-mustard, is an edible plant used in traditional …
eastern rocket
Sisymbrium orientale L.
Sisymbrium orientale is an annual flowering mustard, native to Eurasia and North…
Russian Mustard
Sisymbrium volgense M.Bieb. ex E.Fourn.
Sisymbrium volgense is a flowering Brassicaceae species native from southwestern…
white blue-eyed grass
Sisyrinchium albidum Raf.
White blue-eyed grass (Sisyrinchium albidum) is an iridaceous flowering plant na…
narrow-leaved blue-eyed grass
Sisyrinchium angustifolium Mill.
Sisyrinchium angustifolium Mill. is a blue-flowered herb found in North American…
western blue-eyed grass
Sisyrinchium bellum S.Watson
Sisyrinchium bellum is a small flowering plant with traditional uses by Native A…
Golden-eyed Grass
Sisyrinchium californicum (Ker Gawl.) Dryand.
Sisyrinchium californicum is a yellow-flowered rhizomatous perennial herb with g…
prairie blue-eyed grass
Sisyrinchium campestre E.P.Bicknell
Sisyrinchium campestre (prairie blue-eyed grass) is a small drought-tolerant iri…
Idaho Blue-eyed Grass
Sisyrinchium idahoense E.P.Bicknell
Sisyrinchium idahoense is a flowering plant found in moist habitats, with grass-…
Blue Pigroot
Sisyrinchium micranthum Cav.
Sisyrinchium micranthum Cav. is a grass-like iridaceous wildflower native to the…
strict blue-eyed grass
Sisyrinchium montanum Greene
Sisyrinchium montanum Greene is a herbaceous perennial clumping plant with purpl…
Roadside Blue-eyed Grass
Sisyrinchium pruinosum E.P.Bicknell
Sisyrinchium pruinosum is a delicate clumped perennial blue-eyed grass with purp…
Jeweled Blue-eyed Grass
Sisyrinchium xerophyllum Greene
Sisyrinchium xerophyllum is a threatened endemic perennial herb found in sandy F…
hay-scented fern
Sitobolium punctilobum (Poir.) Desv.
Sitobolium punctilobum is a deciduous hay-scented fern native to eastern North A…
Greater Water-parsnip
Sium latifolium L.
Sium latifolium is a perennial wet-growing Apiaceae herb native to Europe, Kazak…
water parsnip
Sium suave Walter
Sium suave, or water parsnip, is a wetland native flowering plant to North Ameri…
Sweet scabious
Sixalix atropurpurea (L.) Greuter & Burdet
Sixalix atropurpurea is a southern European flowering plant grown as a cut flowe…
Japanese Skimmia
Skimmia japonica Thunb.
Skimmia japonica Thunb. is a dioecious evergreen shrub native to East Asia, wide…
bear's foot
Smallanthus uvedalia (L.) Mack. ex Small
Smallanthus uvedalia, commonly called hairy leafcup, is a tall plant with yellow…
American Smelowskia
Smelowskia americana (Regel & Herder) Rydb.
Smelowskia americana is a perennial rhizomatous mat-forming herb with white or p…
Leg-Ripper
Smilax anceps Willd.
Smilax anceps is a prickly scrambling vine or shrub native to parts of Africa, n…
Rough Bindweed
Smilax aspera L.
Smilax aspera L. is a perennial thorny evergreen climber distributed across Afri…
Earleaf Greenbrier
Smilax auriculata Walter
Smilax auriculata is a North American climbing evergreen perennial vine native t…
Austral Sarsaparilla
Smilax australis R.Br.
Smilax australis is an endemic Australian prickly climbing vine in the Smilacace…
