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,
Palm sedge growing along Meadow Lake at the Morton Arboretum, Illinois. Photo: Jay Sturner (CC BY 2.0) Carex muskingumensis, commonly called Palm Sedge or Muskingum
Wild calla flowering in its natural marsh habitat, Quebec. Photo: Gilles Ayotte, Wikimedia Commons (CC BY-SA 4.0) Calla palustris, commonly called wild calla or water
Bog birch growing low and wide in open rocky habitat, Gros Morne National Park, Newfoundland. Photo: Ryan Hodnett, Wikimedia Commons (CC BY-SA 4.0) Betula pumila,
Anacacho orchid tree foliage and seed pods, San Antonio Botanical Garden. Photo: Macdon, Wikimedia Commons (CC BY-SA 4.0) Bauhinia lunarioides (also sold as Bauhinia congesta),
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