Explore 62,425 Species
Rigid Bog-moss
Sphagnum teres (Schimp.) Ångstr. ex C.Hartm.
Sphagnum teres is a medium-sized peat moss widespread across temperate and polar…
chickenspike
Sphenoclea zeylanica Gaertn.
Sphenoclea zeylanica is a widespread edible flowering plant that is a common, yi…
prairie wedge grass
Sphenopholis obtusata (Michx.) Scribn.
Sphenopholis obtusata (Michx.) Scribn. is a perennial bunchgrass with a dense sp…
Grassveld Sweetpea
Sphenostylis angustifolia Sond.
Sphenostylis angustifolia Sond. is a green perennial pre-rain shrublet with pink…
Pink Weed
Spigelia anthelmia L.
Spigelia anthelmia is a highly poisonous flowering plant in Loganiaceae, used as…
woodland pinkroot
Spigelia marilandica (L.) L.
Spigelia marilandica is a North American native perennial herb grown as an ornam…
Ravan's Mustache
Spinifex littoreus (Burm.f.) Merr.
Spinifex littoreus is a dioecious Poaceae flowering plant native to Asian and Au…
Beach Spinifex
Spinifex sericeus R.Br.
Spinifex sericeus R.Br. is a grass with distinct male and female inflorescences,…
interrupted clubmoss
Spinulum annotinum (L.) A.Haines
Spinulum annotinum is a widespread common club-moss with documented traditional …
white meadowsweet
Spiraea alba Du Roi
Spiraea alba Du Roi, or narrowleaf meadowsweet, is a 3-4 foot shrub that benefit…
Rose Spirea
Spiraea douglasii Hook.
Spiraea douglasii is a North American native woolly shrub that grows in riparian…
Japanese Spirea
Spiraea japonica L.fil.
Spiraea japonica is a deciduous perennial shrub native to East Asia, widely used…
Shinyleaf Meadowsweet
Spiraea lucida Douglas ex Hook.
Spiraea lucida, shiny-leaf meadowsweet, is a rosaceous flowering plant native to…
Russian Spirea
Spiraea media Schmidt
Bridal-wreath
Spiraea prunifolia Siebold & Zucc.
Bridalwreath spirea (Spiraea prunifolia) is a mid-spring flowering shrub native …
Bridewort
Spiraea salicifolia L.
Spiraea salicifolia is a Rosaceae flowering shrub cultivated for hedges since th…
Mountain Spirea
Spiraea splendens Baumann ex K.Koch
Spiraea splendens is a small North American western mountain rose-family shrub t…
Steeplebush
Spiraea tomentosa L.
Spiraea tomentosa, or steeplebush, is a summer-blooming shrub with medicinal use…
Threelobe Spirea
Spiraea trilobata L.
Spiraea trilobata is an Asian native flowering Rosaceae species that occasionall…
Appalachian ladies’ tresses
Spiranthes arcisepala M.C.Pace
Spiranthes arcisepala, Appalachian ladies' tresses, is a white-flowered orchid n…
austral ladies'-tresses
Spiranthes australis (R.Br.) Lindl.
Spiranthes australis is a widespread terrestrial perennial orchid with spirally …
Case's ladies' tresses
Spiranthes casei Catling & Cruise
Spiranthes casei Catling & Cruise is a spiral-flowered orchid species found acro…
nodding ladies' tresses
Spiranthes cernua (L.) Rich.
Spiranthes cernua is an autumn-flowering North American nodding orchid with spir…
Sphinx ladies’ tresses
Spiranthes incurva (Jenn.) M.C.Pace
Spiranthes incurva, the Sphinx ladies' tresses, is a North American orchid that …