Explore 62,425 Species

Hedge mustard
Plantae Brassicaceae

Hedge mustard

Sisymbrium officinale (L.) Scop.

Sisymbrium officinale, or hedge-mustard, is an edible plant used in traditional …

eastern rocket
Plantae Brassicaceae

eastern rocket

Sisymbrium orientale L.

Sisymbrium orientale is an annual flowering mustard, native to Eurasia and North…

Russian Mustard
Plantae Brassicaceae

Russian Mustard

Sisymbrium volgense M.Bieb. ex E.Fourn.

Sisymbrium volgense is a flowering Brassicaceae species native from southwestern…

white blue-eyed grass
Plantae Iridaceae

white blue-eyed grass

Sisyrinchium albidum Raf.

White blue-eyed grass (Sisyrinchium albidum) is an iridaceous flowering plant na…

narrow-leaved blue-eyed grass
Plantae Iridaceae

narrow-leaved blue-eyed grass

Sisyrinchium angustifolium Mill.

Sisyrinchium angustifolium Mill. is a blue-flowered herb found in North American…

western blue-eyed grass
Plantae Iridaceae

western blue-eyed grass

Sisyrinchium bellum S.Watson

Sisyrinchium bellum is a small flowering plant with traditional uses by Native A…

Golden-eyed Grass
Plantae Iridaceae

Golden-eyed Grass

Sisyrinchium californicum (Ker Gawl.) Dryand.

Sisyrinchium californicum is a yellow-flowered rhizomatous perennial herb with g…

prairie blue-eyed grass
Plantae Iridaceae

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
Plantae Iridaceae

Idaho Blue-eyed Grass

Sisyrinchium idahoense E.P.Bicknell

Sisyrinchium idahoense is a flowering plant found in moist habitats, with grass-…

Blue Pigroot
Plantae Iridaceae

Blue Pigroot

Sisyrinchium micranthum Cav.

Sisyrinchium micranthum Cav. is a grass-like iridaceous wildflower native to the…

strict blue-eyed grass
Plantae Iridaceae

strict blue-eyed grass

Sisyrinchium montanum Greene

Sisyrinchium montanum Greene is a herbaceous perennial clumping plant with purpl…

Roadside Blue-eyed Grass
Plantae Iridaceae

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
Plantae Iridaceae

Jeweled Blue-eyed Grass

Sisyrinchium xerophyllum Greene

Sisyrinchium xerophyllum is a threatened endemic perennial herb found in sandy F…

hay-scented fern
Plantae Dennstaedtiaceae

hay-scented fern

Sitobolium punctilobum (Poir.) Desv.

Sitobolium punctilobum is a deciduous hay-scented fern native to eastern North A…

Greater Water-parsnip
Plantae Apiaceae

Greater Water-parsnip

Sium latifolium L.

Sium latifolium is a perennial wet-growing Apiaceae herb native to Europe, Kazak…

water parsnip
Plantae Apiaceae

water parsnip

Sium suave Walter

Sium suave, or water parsnip, is a wetland native flowering plant to North Ameri…

Sweet scabious
Plantae Caprifoliaceae

Sweet scabious

Sixalix atropurpurea (L.) Greuter & Burdet

Sixalix atropurpurea is a southern European flowering plant grown as a cut flowe…

Japanese Skimmia
Plantae Rutaceae

Japanese Skimmia

Skimmia japonica Thunb.

Skimmia japonica Thunb. is a dioecious evergreen shrub native to East Asia, wide…

bear's foot
Plantae Asteraceae

bear's foot

Smallanthus uvedalia (L.) Mack. ex Small

Smallanthus uvedalia, commonly called hairy leafcup, is a tall plant with yellow…

American Smelowskia
Plantae Brassicaceae

American Smelowskia

Smelowskia americana (Regel & Herder) Rydb.

Smelowskia americana is a perennial rhizomatous mat-forming herb with white or p…

Leg-Ripper
Plantae Smilacaceae

Leg-Ripper

Smilax anceps Willd.

Smilax anceps is a prickly scrambling vine or shrub native to parts of Africa, n…

Rough Bindweed
Plantae Smilacaceae

Rough Bindweed

Smilax aspera L.

Smilax aspera L. is a perennial thorny evergreen climber distributed across Afri…

Earleaf Greenbrier
Plantae Smilacaceae

Earleaf Greenbrier

Smilax auriculata Walter

Smilax auriculata is a North American climbing evergreen perennial vine native t…

Austral Sarsaparilla
Plantae Smilacaceae

Austral Sarsaparilla

Smilax australis R.Br.

Smilax australis is an endemic Australian prickly climbing vine in the Smilacace…