Explore 23,508 Species
Round-headed Clubrush
Scirpoides holoschoenus (L.) Soják
Scirpoides holoschoenus, the roundhead bulrush, is a perennial Cyperaceae sedge …
dark green bulrush
Scirpus atrovirens Willd.
Scirpus atrovirens (dark-green bulrush) is a perennial wetland sedge native to e…
woolgrass
Scirpus cyperinus (L.) Kunth
Scirpus cyperinus, or woolgrass, is a native North American wetland sedge used h…
Panicled Bulrush
Scirpus microcarpus J.Presl & C.Presl
Scirpus microcarpus is a North American native perennial sedge that grows in moi…
nodding bulrush
Scirpus pendulus Muhl.
Scirpus pendulus, also called pendulous bulrush, is a perennial sedge native to …
Creeping Club-rush
Scirpus radicans Schkuhr
Scirpus radicans Schkuhr is a perennial herb with a detailed morphological descr…
Wood Club-rush
Scirpus sylvaticus L.
Wood clubrush (Scirpus sylvaticus) is a perennial wetland sedge widespread in Eu…
Annual Knawel
Scleranthus annuus L.
Scleranthus annuus L. is an annual or biennial low-growing herb with three life …
Perennial Knawel
Scleranthus perennis L.
Scleranthus perennis is a small perennial herb in Caryophyllaceae, historically …
Scleria terrestris (L.) Fassett
Scleria terrestris (L.) Fassett
Scleria terrestris is a rhizomatous perennial sedge native to much of Asia and A…
Whip Nutrush
Scleria triglomerata Michx.
Scleria triglomerata (whip nutrush) is a Cyperaceae plant found in the US and Ca…
Low Nutrush
Scleria verticillata Muhl. ex Willd.
Scleria verticillata, low or whorled nutrush, is a Cyperaceae plant native to Ca…
Johnson's Beehive Cactus
Sclerocactus johnsonii (Parry ex Engelm.) N.P.Taylor
Sclerocactus johnsonii is a small cactus species native to the southwestern US a…
Mojave Fishhook Cactus
Sclerocactus polyancistrus (Engelm. & J.M.Bigelow) Britton & Rose
Sclerocactus polyancistrus is a clustered, spiny cactus native to the Mojave Des…
Tropical Bonebract
Sclerocarpus divaricatus (Benth.) Benth. & Hook.fil. ex Hemsl.
Mexican bonebract
Sclerocarpus uniserialis (Hook.) Benth. & Hook.fil. ex Hemsl.
Sclerocarpus uniserialis is an Asteraceae species native from southern US to Cen…
marula
Sclerocarya birrea (A.Rich.) Hochst.
Sclerocarya birrea (marula) is an African dioecious tree valued for its edible f…
hardgrass
Sclerochloa dura (L.) P.Beauv.
Sclerochloa dura is an annual grass species native to Eurasia, introduced as a c…
Duiker-berry
Sclerocroton integerrimus Hochst.
Sclerocroton integerrimus is a southern African tree with traditional medicinal,…
California fetid adderstongue
Scoliopus bigelovii Torr.
Scoliopus bigelovii is a California coastal understory herb pollinated by fungus…
Thorn Pear
Scolopia zeyheri (Nees) Szyszyl.
Scolopia zeyheri is an evergreen much-branched shrub or tree named after German …
common golden thistle
Scolymus hispanicus L.
Scolymus hispanicus is an edible flowering thistle native to Europe, with a long…
European scopolia
Scopolia carniolica Jacq.
Scopolia carniolica is a poisonous nightshade species native to Central and Sout…
Caterpillar-plant
Scorpiurus muricatus L.
Scorpiurus muricatus is an annual legume native to Southern Europe and Syria, gr…
