A mature jumping cholla with its characteristic chains of persistent fruit, Tonto National Forest, Arizona. Photo: Bernard Gagnon, Wikimedia Commons (CC BY-SA 3.0) Cylindropuntia fulgida,
California oatgrass in full seed head on a Rocky Mountain foothill meadow. Photo: Matt Lavin, Wikimedia Commons (CC BY-SA 2.0) Danthonia californica, commonly called California
A wild Texas olive in full bloom along FM 1017, Jim Hogg County, Texas. Photo: William L. Farr, Wikimedia Commons (CC BY-SA 4.0) Cordia boissieri,
Stiff dogwood’s flat-topped flower clusters open in spring at the margin of a Kentucky reservoir. Photo: Mason Brock, Wikimedia Commons (public domain) Cornus foemina, commonly
Blackbrush forms dense, nearly pure stands on rocky desert flats like this one near Arches National Park, Utah. Photo: Kenraiz, Wikimedia Commons (CC BY-SA 4.0)
A single nodding, four-sepaled flower in Yellowstone National Park. Photo: Neal Herbert/Yellowstone National Park, Wikimedia Commons (Public domain) Clematis occidentalis, commonly known as Western Blue
Water hemlock in flower on Theodore Roosevelt Island, Washington, D.C. Photo: Fritzflohrreynolds, Wikimedia Commons (CC BY-SA 3.0) ⚠ DANGER — DO NOT EAT ANY PART
A wild vasevine in flower along the Potomac Heritage Trail in Virginia. Photo: Fritzflohrreynolds, Wikimedia Commons (CC BY-SA 3.0) Clematis viorna, known as Vasevine or
Wholeleaf Indian paintbrush flowering in Coconino National Forest, Arizona. Photo: Michael Tidwell (CC BY 4.0) Castilleja integra, known as Wholeleaf Indian Paintbrush or orange paintbrush,
Rose turtlehead flower and foliage. Photo: Wouter Hagens (CC BY-SA 3.0) Chelone obliqua, commonly called Rose Turtlehead, Red Turtlehead, or Pink Turtlehead, is an upright,
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