A mature big sacaton clump showing its tall, fountain-like plumes, growing along a desert drainage. Photo: CK Kelly / iNaturalist (CC BY 4.0) Sporobolus wrightii,
Zigzag Goldenrod in bloom along the Chesapeake & Ohio Canal, Maryland. Photo: Fritzflohrreynolds / Wikimedia Commons (CC BY-SA 3.0) Solidago flexicaulis, commonly called Zigzag Goldenrod
A Smooth Cordgrass salt marsh along a tidal creek, Florida. Photo: Bill Lea / Wikimedia Commons (Public Domain) Spartina alterniflora, commonly known as Smooth Cordgrass
Showy Mountain Ash foliage and ripening fruit, Algonquin Provincial Park, Ontario. Photo: Ryan Hodnett / Wikimedia Commons (CC BY-SA 4.0) Sorbus decora, commonly called Showy
Smooth carrionflower in bloom, its globe-shaped flower cluster tucked beside a heart-shaped leaf. Photo: Fritzflohrreynolds / Wikimedia Commons (CC BY-SA 3.0) Smilax herbacea, commonly known
Laurel greenbrier’s glossy, narrow, evergreen leaves, the feature behind both its common and scientific names. Photo: Douglas Goldman / Wikimedia Commons (CC BY-SA 4.0) Smilax
A mature jojoba shrub’s dense, rounded form among cholla and saguaro. Photo: Krzysztof Ziarnek, Kenraiz / Wikimedia Commons (CC BY-SA 4.0) Simmondsia chinensis, commonly known
Royal catchfly at Port Louisa National Wildlife Refuge, Iowa. Photo: Alex Galt, U.S. Fish & Wildlife Service (Public domain) Silene regia, the Royal Catchfly, is
A prairie dock in bloom at the James Woodworth Prairie Preserve, Illinois, towering over the surrounding tallgrass. Photo: Frank Mayfield, via Wikimedia Commons (CC BY-SA
Sidalcea calycosa, known as Annual Checkerbloom and also called checker mallow or vernal pool checkerbloom, is a California endemic in the mallow family (Malvaceae). Unlike
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