Explore 23,508 Species
knotroot bristlegrass
Setaria parviflora (Poir.) Kerguélen
Setaria parviflora is a perennial grass native to the Americas, found in moist a…
yellow foxtail
Setaria pumila (Poir.) Roem. & Schult.
Setaria pumila is an annual European grass that is a widespread common weed, and…
African bristlegrass
Setaria sphacelata (Schumach.) Stapf & C.E.Hubb. ex Moss
Setaria sphacelata is a tall African forage grass, cultivated globally, that is …
hooked bristle grass
Setaria verticillata (L.) P.Beauv.
Setaria verticillata is an annual grass, native to Europe, often a noxious intro…
Green Bristle Grass
Setaria viridis (L.) P.Beauv.
Setaria viridis, or green foxtail, is a grass proposed as a model for studying C…
Yaupon Blacksenna
Seymeria cassioides (J.F.Gmel.) S.F.Blake
Seymeria cassioides is a flowering plant found across the southeastern US Coasta…
combleaf blacksenna
Seymeria pectinata Pursh
Seymeria pectinata Pursh is a yellow-flowered plant that grows in fire-dependent…
silver buffaloberry
Shepherdia argentea (Pursh) Nutt.
Shepherdia argentea (silver buffaloberry) is a North American deciduous shrub wi…
Canadian buffalo-berry
Shepherdia canadensis (L.) Nutt.
Shepherdia canadensis is a dioecious nitrogen-fixing deciduous shrub known as so…
Roundleaf buffaloberry
Shepherdia rotundifolia Parry
Shepherdia rotundifolia, roundleaf buffaloberry, is an endemic evergreen shrub o…
Field madder
Sherardia arvensis L.
Sherardia arvensis is an annual herbaceous weed in Rubiaceae, sometimes used to …
Oconee bells
Shortia galacifolia Torr. & A.Gray
Shortia galacifolia is an endemic relict shade-loving flowering plant native to …
creeping sibbaldia
Sibbaldia procumbens L.
Sibbaldia procumbens is an Arctic-alpine rose-family flowering perennial herb fo…
three-toothed cinquefoil
Sibbaldia tridentata (Aiton) Paule & Soják
Sibbaldia tridentata is a small evergreen perennial flowering plant native to ea…
Fork-leaved Cinquefoil
Sibbaldianthe bifurca (L.) Kurtto & T.Erikss.
Sibbaldianthe bifurca is a small flowering plant with yellow flowers that fruits…
Oneseed Bur Cucumber
Sicyos angulatus L.
Sicyos angulatus L. is an annual climbing vine native to central North America w…
Spinyhead Sida
Sida acuta Burm.fil.
Common wireweed (Sida acuta) is a pantropical flowering mallow that is invasive …
flannel weed
Sida cordifolia L.
Sida cordifolia L. is a medicinal weedy perennial herb that contains ephedrine w…
yellow ʻilima
Sida fallax Walp.
Sida fallax Walp., or ʻilima, is a variable tropical shrub with a long history o…
Cuban jute
Sida rhombifolia L.
Sida rhombifolia L., arrowleaf sida, is a widespread tropical plant grown for fi…
prickly fanpetals
Sida spinosa L.
Sida spinosa (prickly fanpetals) is a widespread Malvaceae flowering plant nativ…
prairie mallow
Sidalcea candida A.Gray
Sidalcea candida, white checkerbloom, is a North American wildflower with five-p…
fringed checkerbloom
Sidalcea diploscypha (Torr. & A.Gray) A.Gray ex Benth.
Sidalcea diploscypha is an annual bristly herb with pink fringed petals that gro…
Waxy Checkerbloom
Sidalcea glaucescens Greene.
Sidalcea glaucescens is a perennial herb native to California and western Nevada…
